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  • 1.
    Andersson, Eva
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hörselscreening av en population med utvecklingsstörning: Utvärdering av psykoakustisk testmetod och av OAE-registrering som komplementär metod2013Licentiate thesis, comprehensive summary (Other academic)
    Abstract [sv]

    Populationer med utvecklingsstörning behöver kontinuerlig hörseltestning, men konsensus om lämplig testmetod saknas.

    Syfte: Syftet med Studie I var att utvärdera psykoakustisk testmetod och med Studie II att utvärdera OAE-registrering som komplementär metod.

    Studie I. 1478 barn och vuxna med lätt till djup utvecklingsstörning, i åldrarna 7-91 år deltog i studien. De testades med tonaudiometri på sex frekvenser på screeningnivån 20 dB HL med lätt modifierad testutrustning. Kriterierna för remittering var tröskelnivåer på ≥ 25 dB HL på två frekvenser eller flera på ett öra eller båda. 1470 (99,5%) barn och vuxna medverkade i screeningen och 1325 (90%) testades på båda öronen på samtliga sex frekvenser. En majoritet, 987 (67,1%), medverkade i vanlig tonaudiometri, 234 (15,9%) i lekaudiometri, och 249 (16,9%) testades med observationsaudiometri. 669 (45%) visade normala värden medan 809 (55%) visade onormala värden relaterat till screeningkriterierna. Av de 809 accepterade 441 (54,5%) remittering för hörselutredning.

    Studie II. 38 vuxna med måttlig till djup utvecklingsstörning, i åldrarna 31-73 år deltog i studien, alla med ofullständiga testresultat vid tonaudiometri. Portabel utrustning, ILO 288 Echoport och dator Compaq LTE 5100 med mjukvara ILO 88 V 4.2, användes. Otoskopi och tympanometri kompletterade registreringen. Kriterierna för emissioner var S/N 3 dB eller mer och reproducerbarhet på 60% eller mer på åtminstone tre frekvensband. Kriterierna för partiella emissioner var desamma men för en eller två frekvenser. Två personer behövdes för att genomföra testningen: en för att hålla testpersonen lugn och tyst och den andra för att sköta testapparaturen. Reproducerbara TEOAE-svar registrerades från 11 öron (7 personer), partiella svar från 6 öron (4 personer), inga emissioner kunde registreras från 15 öron (10 personer) och 4 öron (4 personer) med otit eller vaxpropp testades inte. Registreringen från 24 öron (13 personer) kunde inte värderas p g a alltför mycket yttre och inre störningar. 8 personer vägrade delta i testningen. Endast 4 personer visade emissioner på båda öronen. Resultatet av undersökningen blev att 34 personer (89.5%) behövde testas om eller bli remitterade för ytterligare utredning, 21 av dem (55%) beroende på störningar vid registreringen eller p g a vägran att medverka.

    Konklusion: Tonaudiometri med lätt modifiering kan användas för screening av en population med lätt till djup utvecklingsstörning. TEOAE-registrering, som den genomfördes, kan inte uppfylla kraven på en fungerande testmetod för en population med måttlig till djup utvecklingsstörning. I det enskilda fallet kan TEOAE-registrering vara ett komplement till andra hörseltest. Det mest utmanande och tidskrävande är att introducera testprocedurerna på ett sätt som begränsar oro och skapar tillit. Oberoende av testmetod är en audionom med tålamod och vana att samarbeta med personer med utvecklingsstörning en viktig förutsättning för framgångsrik och säker testning.

    List of papers
    1. Audiometric screening of a population with intellectual disability
    Open this publication in new window or tab >>Audiometric screening of a population with intellectual disability
    2013 (English)In: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 52, no 1, 50-56 p.Article in journal (Refereed) Published
    Abstract [en]

    Objective: Evaluation of pure-tone audiometry (PTA) in hearing screening of a population with mild to profound intellectual disability (ID).

    Design: PTA was performed at six frequencies at the screening level 20 dB HL. Referral criteria were threshold levels ≥ 25 dB HL at two or more frequencies for one ear or both.

    Study sample: 1478 participants aged 7–91 years were included.

    Results: 1470 (99.5%) people cooperated in screening of which 1325 (90%) could be tested on both ears at all six frequencies. A majority, 987 (66.8%), performed ordinary PTA, 234 (15.8%) conditioned play audiometry, and 249 (16.9%) behavioural observation audiometry. Six hundred and sixty-nine (45%) passed and 809 (55%) failed according to referral criteria. Of those failing, 441 (54.5%) accepted referral to clinical evaluation.

    Conclusions: PTA with slight modifications is applicable for screening of a population with mild to profound intellectual disability. The most challenging and time-consuming activity is to introduce the test procedure in a way that reduces anxiety and establishes trust.

    Place, publisher, year, edition, pages
    London: Informa Healthcare, 2013
    Keyword
    intellectual disability, screening audiometry, psycho-acoustic method
    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:liu:diva-87267 (URN)10.3109/14992027.2012.700773 (DOI)000312223800008 ()
    Available from: 2013-04-09 Created: 2013-01-14 Last updated: 2017-12-06Bibliographically approved
    2. Evaluation of OAE-recording as a complementary test method for adults with moderate to profound mental retardation
    Open this publication in new window or tab >>Evaluation of OAE-recording as a complementary test method for adults with moderate to profound mental retardation
    2000 (English)In: Scandinavian Audiology, ISSN 0105-0397, E-ISSN 1940-2872, Vol. 29, no 2, 120-126 p.Article in journal (Refereed) Published
    Abstract [en]

    The recording of otoacoustic emissions (OAE) was evaluated as a complementary test method for adults with moderate to profound mental retardation (MR). A portable apparatus, ILO 288 Echoport linked to a Compaq LTE 5100 notebook with software ILO 88 V 4.2, was used. Otoscopy and tympanometry were also performed. Criteria for emissions were S/N 3 dB or more and reproducibility 60% or more for at least three frequency-bands. The criteria for partial emissions were the same, but for only one or two frequencies. Two examiners were needed: one to keep the tested person calm and quiet and the other to handle the keyboard. Thirty-eight people with different degrees of MR in connection with other disabilities were included. They had all exhibited incomplete results in a previous hearing screening of more than 1000 adults with MR. Reproducible transiently evoked OAEs (TEOAE) were recorded from II ears (7 people), partial TEOAEs from 6 ears (4 people) and no emissions from 15 ears (10 people). Registration from 24 ears (13 people) could not be evaluated because of too much external and internal noise. Eight people rejected the examination. Only four people showed emissions in both ears. Accordingly, 34 people (89.5%) had to be re-tested or referred for further investigation, 21 of them (55%) because of noisy recordings or no co-operation. It is concluded that the TEOAE-test in its present form cannot fulfil the demands for a functioning test method for this population. In single cases, however, TEOAE-recording can complement other audiological tests.

    Place, publisher, year, edition, pages
    Taylor & Francis, 2000
    Keyword
    Oto-acoustic emission, mental retardation
    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:liu:diva-27614 (URN)10.1080/010503900424534 (DOI)12345 (Local ID)12345 (Archive number)12345 (OAI)
    Available from: 2009-10-08 Created: 2009-10-08 Last updated: 2017-12-13Bibliographically approved
  • 2.
    Andersson, Eva
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Arlinger, Stig
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Magnusson, Lennart
    Sahlgrenska University Hospital, Sweden.
    Hamrin, Elisabeth
    Linköping University, Department of Medical and Health Sciences, Clinical Pharmacology. Linköping University, Faculty of Health Sciences.
    Audiometric screening of a population with intellectual disability2013In: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 52, no 1, 50-56 p.Article in journal (Refereed)
    Abstract [en]

    Objective: Evaluation of pure-tone audiometry (PTA) in hearing screening of a population with mild to profound intellectual disability (ID).

    Design: PTA was performed at six frequencies at the screening level 20 dB HL. Referral criteria were threshold levels ≥ 25 dB HL at two or more frequencies for one ear or both.

    Study sample: 1478 participants aged 7–91 years were included.

    Results: 1470 (99.5%) people cooperated in screening of which 1325 (90%) could be tested on both ears at all six frequencies. A majority, 987 (66.8%), performed ordinary PTA, 234 (15.8%) conditioned play audiometry, and 249 (16.9%) behavioural observation audiometry. Six hundred and sixty-nine (45%) passed and 809 (55%) failed according to referral criteria. Of those failing, 441 (54.5%) accepted referral to clinical evaluation.

    Conclusions: PTA with slight modifications is applicable for screening of a population with mild to profound intellectual disability. The most challenging and time-consuming activity is to introduce the test procedure in a way that reduces anxiety and establishes trust.

  • 3.
    Andersson, Lars
    et al.
    Linköping University.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Clinical EOG recordings and analysis in a LabView computer programming environment1995In: In: Claussen C-F, Kirtane MV, Schneider D, editors.; 1995,  Hamburg: medicin+pharmacie dr. werner rudat & Co Nachf.; 1995 / [ed] Claussen C-F, Kirtane MV, Schneider D, 1995, 167-170 p.Conference paper (Other academic)
  • 4.
    Andersson, Lars
    et al.
    Linköping University.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Tham, Richard
    Linköping University.
    Experimental stimulation and EOG recordings in a LabView computer programming environment1995In: In: Claussen C-F, Kirtane MV, Schneider D,editors.; 1995 1995; Hamburg: medicin+pharmacie dr. werner rudat & CoNachf.; 1995 / [ed] Claussen C-F, Kirtane MV, Schneider D, 1995, 167-170 p.Conference paper (Other academic)
  • 5.
    Arlinger, Stig
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Oto-Rhiono-Laryngology and Head & Neck Surgery.
    Hörselutredning vid läs- och skrivsvårigheter2010In: Utredning av läs- och skrivsvårigheter / [ed] Britta Ericson, Stockholm: Studentlitteratur , 2010, 207-220 p.Chapter in book (Other academic)
    Abstract [sv]

    För att hjälpa ett barn som har svårt att läsa och skriva behöver man ta reda på vad som hindrar framstegen i läsning och skrivning. Många gånger kan en pedagogisk utredning i kombination med en synundersökning ge svaret. I andra fall kan det vara nödvändigt att komplettera med utredning hos logoped, läkare, psykolog och sjukgymnast för att få en helhetsbild av barnets svårigheter och de psykosociala konsekvenserna. Ledande företrädare för olika yrkesområden beskriver i föreliggande bok hur läs- och skrivsvårigheter kan utredas. Denna reviderade fjärde upplaga har kompletterats med två nya kapitel. Det ena beskriver hur hörselundersökning kan komplettera en läs- och skrivutredning. Det andra kapitlet behandlar området läs- och skrivsvårigheter med fokus på elever med annat modersmål än svenska. Bokens målgrupp är blivande och verksamma lärare, specialpedagoger, logopeder, läkare, psykologer, sjukgymnaster, ortoptister och andra yrkesgrupper som behöver kunskap om orsaker till och utredning av läs- och skrivsvårigheter.

  • 6.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Gatehouse, Stuart
    MRC Institute of Hearing Research, Glasgow, Scotland.
    Kiessling, Jürgen
    Department of Audiology Justus-Liebig-Universität, Gießen, Germany.
    Naylor, Graham
    Oticon Research Centre, Eriksholm, Snekkersten, Denmark.
    Verschuure, Hans
    Audiological Centre Erasmus University, Rotterdam, Holland.
    Wouters, Jan
    ExpORL, Department of Neurosciences K. U. Leuven, Belgium.
    The design of a project to assess bilateral versus unilateral hearing aid fitting2008In: Trends in Amplification, ISSN 1084-7138, Vol. 12, no 2, 137-144 p.Article in journal (Refereed)
    Abstract [en]

    Binaural hearing provides advantages over monaural in several ways, particularly in difficult listening situations. For a person with bilateral hearing loss, the bilateral fitting of hearing aids thus seems like a natural choice. However, surprisingly few studies have been reported in which the additional benefit of bilateral versus unilateral hearing aid use has been investigated based on real-life experiences. Therefore, a project has been designed to address this issue and to find tools to identify people for whom the drawbacks would outweigh the advantages of bilateral fitting. A project following this design is likely to provide reliable evidence concerning differences in benefit between unilateral and bilateral fitting of hearing aids by evaluating correlations between entrance data and outcome measures and final preferences. © 2008 Sage Publications.

  • 7.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    The effect of hearing loss on temporal and spectral resolution.1990Conference paper (Other academic)
  • 8.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    The effect of hearing loss on temporal and spectral resolution.1990Conference paper (Other academic)
  • 9.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Gustafsson, Hans-Åke
    Linköping University.
    Leander, Björn
    Linköping University.
    Studier av vindbrusets maskering av buller från vindkraftverk: Temporal integration vid detektion av närvaro respektive frånvaro av periodisk amplitudmodulering1991Report (Other academic)
  • 10.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Lunner, T.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hellgren, J.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Assessment of speech perception in noise using a conventional speech recognition and a subjective adjustment method.1994In: XXII International Congress of Audiology 1994, 1994Conference paper (Other academic)
  • 11.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Lunner, Thomas
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hellgren, Johan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Assessment of speech perception in noise using a conventional speech recognition and a subjective adjustment method.1994Conference paper (Refereed)
  • 12.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Oto-Rhiono-Laryngology and Head & Neck Surgery. Linköping University, Faculty of Health Sciences.
    Lunner, Thomas
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Lyxell, Björn
    Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences. Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL.
    Pichora-Fuller, M Kathleen
    University of Toronto.
    The emergence of cognitive hearing science.2009In: Scandinavian journal of psychology, ISSN 1467-9450, Vol. 50, no 5, 371-384 p.Article, review/survey (Refereed)
    Abstract [en]

    Cognitive Hearing Science or Auditory Cognitive Science is an emerging field of interdisciplinary research concerning the interactions between hearing and cognition. It follows a trend over the last half century for interdisciplinary fields to develop, beginning with Neuroscience, then Cognitive Science, then Cognitive Neuroscience, and then Cognitive Vision Science. A common theme is that an interdisciplinary approach is necessary to understand complex human behaviors, to develop technologies incorporating knowledge of these behaviors, and to find solutions for individuals with impairments that undermine typical behaviors. Accordingly, researchers in traditional academic disciplines, such as Psychology, Physiology, Linguistics, Philosophy, Anthropology, and Sociology benefit from collaborations with each other, and with researchers in Computer Science and Engineering working on the design of technologies, and with health professionals working with individuals who have impairments. The factors that triggered the emergence of Cognitive Hearing Science include the maturation of the component disciplines of Hearing Science and Cognitive Science, new opportunities to use complex digital signal-processing to design technologies suited to performance in challenging everyday environments, and increasing social imperatives to help people whose communication problems span hearing and cognition. Cognitive Hearing Science is illustrated in research on three general topics: (1) language processing in challenging listening conditions; (2) use of auditory communication technologies or the visual modality to boost performance; (3) changes in performance with development, aging, and rehabilitative training. Future directions for modeling and the translation of research into practice are suggested.

  • 13.
    Arlinger, Stig
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Rönnberg, Jerker
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences.
    Danielsson, Henrik
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences.
    Rudner, Mary
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences.
    Sternäng, Ola
    Stockholm University.
    Wahlin, Åke
    Psykologiska institutionen, Stockholms universitet.
    Nilsson, L-G
    Auditory deficits are related to episodic long-term memory deficits2009Conference paper (Refereed)
  • 14.
    Asp, Filip
    et al.
    Karolinska Institutet.
    Mäki-Torkko, Elina
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Hergils, Leif
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Oto-Rhiono-Laryngology and Head & Neck Surgery.
    Harder, Henrik
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Karltorp, Eva
    Karolinska Institutet.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Bilateral cochlear implants in children: Longitudinal results and parental experiences2010In: 11th International Conference on Cochlear Implants and Other Auditory Implantable Technologies, 2010Conference paper (Refereed)
  • 15.
    Asp, Filip
    et al.
    Karolinska University Hospital, Sweden Karolinska Institute, Sweden .
    Mäki-Torkko, Elina
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Karltorp, Eva
    Karolinska University Hospital, Sweden Karolinska Institute, Sweden .
    Harder, Henrik
    Linköping University, Department of Clinical and Experimental Medicine, Oto-Rhiono-Laryngology and Head & Neck Surgery. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of ENT - Head and Neck Surgery UHL.
    Hergils, Leif
    Linköping University, Department of Medical and Health Sciences, Health Technology Assessment. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of ENT - Head and Neck Surgery UHL.
    Eskilsson, Gunnar
    Karolinska University Hospital, Sweden .
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Bilateral versus unilateral cochlear implants in children: Speech recognition, sound localization, and parental reports2012In: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 51, no 11, 817-832 p.Article in journal (Refereed)
    Abstract [en]

    Objective: To compare bilateral and unilateral speech recognition in quiet and in multi-source noise, and horizontal sound localization of low and high frequency sounds in children with bilateral cochlear implants. Design: Bilateral performance was compared to performance of the implanted side with the best monaural speech recognition in quiet result. Parental reports were collected in a questionnaire. Results from the CI children were compared to binaural and monaural performance of normal-hearing peers. Study sample: Sixty-four children aged 5.1-11.9 years who were daily users of bilateral cochlear implants. Thirty normal-hearing children aged 4.8-9.0 years were recruited as controls. Results and Conclusions : Group data showed a statistically significant bilateral speech recognition and sound localization benefit, both behaviorally and in parental reports. The bilateral speech recognition benefit was smaller in quiet than in noise. The majority of subjects localized high and low frequency sounds significantly better than chance using bilateral implants, while localization accuracy was close to chance using unilateral implants. Binaural normal-hearing performance was better than bilateral performance in implanted children across tests, while bilaterally implanted children showed better localization than normal-hearing children under acute monaural conditions.

  • 16.
    Asp, Filip
    et al.
    Karolinska Institutet.
    Mäki-Torkko, Elina
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Karltorp, Eva
    Karolinska Institutet.
    Harder, Henrik
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuroscience.
    Hergils, Leif
    Linköping University, Department of Clinical and Experimental Medicine, Division of Neuroscience.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hur hör barn med bilaterala cochlea-implantat jämfört med normalhörande?2012Conference paper (Refereed)
  • 17.
    Bergenius, Johan
    et al.
    Karolinska Institutet.
    Hydén, Dag
    Linköping University.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Möller, Claes
    Linköping University.
    Ödkvist, Lars
    Östergötlands Läns Landsting.
    Frenzels brillor eller datoriserad otoneurologi1990Conference paper (Other academic)
  • 18.
    Boisvert, Isabelle
    et al.
    Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences.
    Lyxell, Björn
    Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Östergötlands Läns Landsting, Sinnescentrum, Department of ENT - Head and Neck Surgery UHL.
    Mäki-Torkko, Elina
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    McMahon, Catherine M.
    Macquarie University, Sydney.
    Dowell, Richard C.
    University of Melbourne.
    Choice of Ear for Cochlear Implantation in Adults With Monaural Sound-Deprivation and Unilateral Hearing Aid2012In: Otology and Neurotology, ISSN 1531-7129, E-ISSN 1537-4505, Vol. 33, no 4, 572-579 p.Article in journal (Refereed)
    Abstract [en]

    Objectives: To identify whether speech recognition outcomes are influenced by the choice of ear for cochlear implantation in adults with bilateral hearing loss who use a hearing aid in 1 ear but have long-term auditory deprivation in the other. less thanbrgreater than less thanbrgreater thanStudy Design: Retrospective matched cohort study. Speech recognition results were examined in 30 adults with monaural sound deprivation. Fifteen received the implant in the sound-deprived ear and 15 in the aided ear. less thanbrgreater than less thanbrgreater thanSetting: Tertiary referral centers with active cochlear implant programs. less thanbrgreater than less thanbrgreater thanPatients: Adults with bilateral hearing loss and a minimum of 15 years of monaural sound deprivation who received a cochlear implant after meeting the traditional implantation criteria of the referral centers. less thanbrgreater than less thanbrgreater thanIntervention: Cochlear implantation with devices approved by the U.S. Food and Drug Administration. less thanbrgreater than less thanbrgreater thanMain Outcome Measure(s): Paired comparisons of postoperative monosyllabic word recognition scores obtained with the implant alone and in the usual listening condition (CI alone or bimodal). less thanbrgreater than less thanbrgreater thanResults: With the cochlear implant alone, individuals who received the implant in a sound-deprived ear obtained poorer scores than individuals who received the implant in the aided ear. There was no significant difference, however, in speech recognition results for the 2 groups when tested in their usual listening condition. In particular, poorer speech recognition scores were obtained with the cochlear implant alone by individuals using bimodal hearing. less thanbrgreater than less thanbrgreater thanConclusion: Similar clinical outcomes of cochlear implantation can be achieved by adults with a long-term monaural sound deprivation when comparing the usual listening condition, irrespective of whether the implant is in the sound-deprived or in the aided ear.

  • 19.
    Boisvert, Isabelle
    et al.
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences. Macquarie University, Australia, HEARing CRC, Australia.
    McMahon, Chaterine M
    Maquarie University, Sydney, Australia.
    Dowell, Richard
    Melbourne University, Australia.
    Lyxell, Björn
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Otorhinolaryngology in Linköping.
    Psarros, Colleen
    Sydney Area, Australia.
    Tremblay, Genevieve
    Institute Readaptation Deficience Phys Quebec, Canada.
    Mäki-Torkko, Elina
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Karltorp, Eva
    Karolinska institute, Stockholm, Sweden.
    How the non-implanted ear influences outcomes of cochlear implantation2012Conference paper (Other academic)
  • 20.
    Boisvert, Isabelle
    et al.
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences. Macquarie University, Australia, HEARing CRC, Australia.
    McMahon, Chaterine M
    Maquarie University, Sydney, Australia.
    Dowell, Richard
    Melbourne University, Australia.
    Lyxell, Björn
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Otorhinolaryngology in Linköping.
    Psarros, Colleen
    Sydney Area, Australia.
    Tremblay, Genevieve
    Institute Readaptat Deficience Phys Quebec, Canada.
    Mäki-Torkko, Elina
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Karltorp, Eva
    Karolinska institute, Stockholm, Sweden.
    The Contribution of the non-implanted ear to Cochlear implantation Outcomes2012Conference paper (Other academic)
  • 21.
    Boisvert, Isabelle
    et al.
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences. Macquarie University, Australia, HEARing CRC, Australia.
    McMahon, Chaterine M
    Maquarie University, Sydney, Australia.
    Lyxell, Björn
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Otorhinolaryngology in Linköping.
    Tremblay, Genevieve
    Institute Readaptat Deficience Phys Quebec, Canada.
    Psarros, Colleen
    Sydney Area, Australia.
    Karltorp, Eva
    Karolinska institutet, Stockholm, Sweden.
    Mäki-Torkko, Elina
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    A Multicenter Study of Cochlear Implantation Outcomes in Individuals with a Long Term Unilateral Sound Deprivation2010Conference paper (Other academic)
  • 22.
    Borch Petersen, Eline
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, The Swedish Institute for Disability Research. Eriksholm Research Centre, Snekkersten, Denmark .
    Lunner, Thomas
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, The Swedish Institute for Disability Research. Eriksholm Research Centre, Snekkersten, Denmark .
    Cognitive Hearing Aids? - Insights and Possibilities2015Conference paper (Refereed)
    Abstract [en]

    The working memory plays an important role in successfully overcoming adverse listening conditions and should consequently be considered when designing and testing hearing aids. A number of studies have established the relationship between hearing in noise and working memory involvement, but with the Sentence-final Word Identification and Recall (SWIRL) test, it is possible to show that working memory is also involved in listening under favorable conditions and that noise reduction has a positive influence in situation with very little noise. Although the capacity of the working memory is a finite individual size, its involvement can differ with fatigue and other factors and individualization of hearing aids should take this into account to obtain the best performance. A way of individually adapting hearing aids is based on changes in the electrical activity of the brain (EEG). Here we present the possibilities that arise from using EEG and show that ear-mounted electrodes is able to record useful EEG that can be explored for individualization of hearing aids. Such an adaptation could be done based on changes in the electrical activity of the brain (EEG). Here we present the possibilities that arise from using EEG and show that ear-mounted electrodes is able to record useful EEG that can be explored for individualization of hearing aids.

  • 23.
    Borch-Petersen, Eline
    et al.
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Lunner, Thomas
    Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research.
    Obleser, Jonas
    Frauenhaufer Institute.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Measuring cognitive load during listening: Changes in the EEG with noise level2013Conference paper (Refereed)
  • 24.
    Brandt, Anders
    et al.
    Chalmers.
    Håkansson, Bo
    Chalmers.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Properties of bone conduction hearing2006In: XXIV International Modal Analysis Conference, St. Louis, Missouri, 2006Conference paper (Refereed)
  • 25.
    Buschermöhle, M.
    et al.
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Wagener, K. C.
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Hearing Screening tests by telephone and Internet: HearCom implementations in European countries2009Conference paper (Refereed)
  • 26.
    Buschermöhle, M
    et al.
    Oldenburg University, Germany.
    Wagener, K. C.
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Hearingscreening tests by telephone and Internet: HearCom implementations in European countries.2009In: In: 9thEFAS-EFAS Congress. Canary Island,Tenerife, Spain. 2009, 2009Conference paper (Other academic)
  • 27.
    Dahlström, Örjan
    et al.
    Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences.
    Johnsrude, Ingrid
    ent of Psychology and Centre for Neuroscience Studies, Queen's University, Kingston Ontario, Canada.
    Rudner, Mary
    Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Rönnberg, Jerker
    Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Health Sciences.
    Individual differences in working memory capacity modulate frontal cortical activity while listening to speech in noise2012Conference paper (Other academic)
  • 28.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Charactering the individual ear by the "Auditory Profile".2008In: "Auditory Profile". In: ACOUSTICS2008. Paris., 2008Conference paper (Other academic)
  • 29.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Charactering the individual ear by the "Auditory Profile"2008Conference paper (Refereed)
  • 30.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    DEVELOPMENT AND APPLICATION OF AN “AUDITORY PROFILE” FOR THE CLASSIFICATION OF HEARING IMPAIRMENTS.2009In: In: 9th EFAS Congress. Tenerife, Canary Islands, Spain. 2009., 2009Conference paper (Other academic)
  • 31.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    DEVELOPMENT AND APPLICATION OF AN “AUDITORY PROFILE” FOR THE CLASSIFICATION OF HEARING IMPAIRMENTS2009Conference paper (Refereed)
  • 32.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    SUPRATHRESHOLD PROCESSING DEFICITS IN HEARING-IMPAIRED LISTENERS AS REVEALED IN THE “AUDITORY PROFILE”.2009In: In: 9th EFAS Congress. Tenerife, Canary Islands, Spain. 2009., 2009Conference paper (Other academic)
  • 33.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    SUPRATHRESHOLD PROCESSING DEFICITS IN HEARING-IMPAIRED LISTENERS AS REVEALED IN THE “AUDITORY PROFILE”.2009Conference paper (Refereed)
  • 34.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    The "Auditory Profile". Proposal from the European HEARCOM project.2007Conference paper (Refereed)
  • 35.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam.
    van Esch, T
    Academic Medical Center, NL-Amsterdam.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK-Southampton.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam .
    Vorman, M
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    Kollmeier, B
    Hörzentrum Oldenburg GmbH, D- Oldenburg.
    The"Auditory Profile". Proposal from the European HEARCOM project.2007In: In: International Symposium on Auditory and Audiological Research, ISSAAR 2007. Marienlyst, Helsingör, Danmark:, 2007Conference paper (Other academic)
  • 36.
    Dreschler, W. A.,
    et al.
    AMC, Clinical and Experimental Audiology, Amsterdam, Netherland.
    van Esch, T
    AMC, Clinical and Experimental Audiology, Amsterdam, Netherland.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Lutman, Mark
    University of Southampton, Southampton, UK.
    Lyzenga, Johannes
    Vrije Universiteit Medical Center, Amsterdam, Netherlands.
    Vorman, M
    Hoerzentrum Oldenburg, Hoerzentrum Oldenburg, Oldenburg, Germany.
    Kollmeier, B
    Universität Oldenburg, Medizinische Physik, Oldenburg, Germany.
    Charactering the individual ear by the "Auditory Profile2008In: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 123, no 5, 3714Article in journal (Refereed)
    Abstract [en]

    This paper describes a new approach to auditory diagnostics, which is one of the central themes of the EU-project HEARCOM. For this purpose we defined a so-called "Auditory Profile" that can be assessed for each individual listener using a standardized battery of audiological tests that - in addition to the pure-tone audiogram - focus on loudness perception, frequency resolution, temporal acuity, speech perception, binaural functioning, listening effort, subjective hearing abilities, and cognition. For the sake of testing time only summary tests are included from each of these areas, but the broad approach of characterizing auditory communication problems by means of standardized test is expected to have an added value above traditional testing in understanding the reasons for poor speech reception. The Auditory profile may also be relevant in the field of auditory rehabilitation and for design of acoustical environments. The results of an international 5-center study (in 4 countries and in 4 languages) will be presented and the relevance of a broad but well-standardized approach will be discussed.

  • 37.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam, The Netherlands.
    van Esch, T
    Academic Medical Center, NL-Amsterdam, The Netherlands.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam, The Netherlands.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Vliegen, J
    Academic Medical Center, NL-Amsterdam, The Netherlands.
    Sol, J
    Academic Medical Center, NL-Amsterdam, The Netherlands.
    Wagener, K. C.
    Hörzentrum Oldenburg GmbH, D- Oldenburg, Germany.
    D-2-1: Implementation of a preliminary test set for auditory impairments2005Report (Other academic)
  • 38.
    Dreschler, W. A.,
    et al.
    Academic Medical Center, NL-Amsterdam, The Netherlands.
    van Esch, T
    Academic Medical Center, NL-Amsterdam, The Netherlands.
    Lyzenga, J
    VU Medical Center, NL- Amsterdam, The Netherlands.
    Vorman, M
    Hörzentrum Oldenburg GmbH, Germany.
    Wagener, K. C.
    Hörzentrum Oldenburg GmbH, Germany.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Lutman, Mark
    University of Southampton, UK.
    Athalye, Sheetal
    University of Southampton, UK.
    D-2-6: Report about the results of the multicentre evaluation of the Auditory Profile. Public report2009Report (Other academic)
    Abstract [en]

    Twenty-eight partners participated in the FP6 EU-funded project HearCom, with the goal to improve hearing in our communication society. One of the main achievements has been the provision of advanced hearing screening tests by telephone and Internet. For hearing diagnostics it was aimed at the harmonization of hearing diagnostic tests within Europe. For this the concept of the Auditory Profile has been developed with several tests for various languages. Hearing problems are also a result of adverse acoustical circumstances for which the effects have been studied, modelled and evaluated for hearing impaired. For hearing rehabilitation a large scale comparison study was performed on signal enhancement techniques (algorithms) for hearing devices. Modern technology may assist on hearing and communication by the use of wireless technology and automatic speech transcription. On this it is shown that improvements for auditory communication can be obtained, but that technology should develop further. An overview is given on the HearCom portal with sections for screening diagnostics, hearing information for the public and professionals, and a new service called HearCompanion that provides step-by-step support for the hearing rehabilitation process.

  • 39.
    Edberg, P.O.
    et al.
    Östergötlands Läns Landsting.
    Wahlquist, U.
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Allvarlig kombination av hörsel- och synnedsättning hos personer över 65 år2008Report (Other academic)
  • 40.
    Edberg, P.O.
    et al.
    Östergötlands Läns Landsting.
    Wahlquist, U.
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hällgren, Mathias
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Allvarlig kombination avhörsel- och synnedsättning hos personer över 65 år.2008Report (Other academic)
  • 41.
    Eeg-Olofsson, Mans
    et al.
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
    Stenfelt, Stefan
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology .
    Tjellstrom, Anders
    University of Gothenburg.
    Granstrom , Gosta
    University of Gothenburg.
    Transmission of bone-conducted sound in the human skull measured by cochlear vibrations2008In: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 47, no 12, 761-769 p.Article in journal (Refereed)
    Abstract [en]

    One limitation with the Bone Anchored Hearing Aid (Baha) is too poor amplification for patients with moderate to severe sensorineural hearing losses. Therefore, we investigated if bone conducted (BC) sound transmission improves when the stimulation approaches the cochlea. Also the influence from the squamosal suture on BC sound transmission was investigated. Both sides of the heads on seven human cadavers were used and vibrational stimulation was applied at eight positions on each side with a frequency range of 0.1-10 kHz. A laser Doppler vibrometer was used to measure the resulting velocity of the cochlear promontory. It was found that the velocity of the promontory increases as the stimulation position approaches the cochlea; this was especially apparent at distances within 2.5 cm from the ear canal opening and when the stimulation position was in the opened mastoid. At frequencies above 500 Hz there was on average 10 to 20 dB greater vibrational response at the cochlea when the stimulation was close to the cochlea compared with the normal Baha position. Moreover, even if there were general indications of attenuation of BC sound when passing the squamosal suture, an effect from the suture could not be conclusively determined.

  • 42.
    Eeg-Olofsson, Måns
    et al.
    Göteborg university.
    Håkansson, Bo
    Chalmers.
    Tagahavi, Hamidreza
    Chalmers.
    Reinfeldt, Sabine
    Chalmers.
    Östli, Per
    Chalmers.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Correlation between the velocity of the cochlear promontory and hearing perception – a pilot study2011In: 3rd International Symposium on Bone Conduction Hearing – Craniofacial Osseointegration, Sarasota, Florida, 2011Conference paper (Refereed)
  • 43.
    Eeg-Olofsson, Måns
    et al.
    Göteborg university.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Granström, Gösta
    Göteborg University.
    Benledd ljudtransmission som funktion av stimuleringsposition2006In: TeMA Hörsel 2006, Göteborg, 2006Conference paper (Refereed)
  • 44.
    Eeg-Olofsson, Måns
    et al.
    Göteborg university.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Granström, Gösta
    Göteborg University.
    Implications for contralateral bone conducted transmission as measured by cochlear vibrations2011In: Otology and Neurotology, ISSN 1531-7129, E-ISSN 1537-4505, Vol. 32, no 2, 192-198 p.Article in journal (Refereed)
    Abstract [en]

    Hypothesis: The velocity response at the contralateral cochlea from bone-conducted (BC) stimulation depends on the stimulation position.

    Background: BC sound transmission in the human skull is complex and differs from air-conducted sound. BC sound stimulates both cochleae with different amplitudes and time delays influencing hearing perception in a way that is not completely understood. One important parameter is the stimulation position on the human skull.

    Method: By applying BC stimulation at 8 positions on both sides of 7 human cadaver skulls, the contralateral velocity response of the cochlear promontory was investigated in the frequency range of 0.1 to 10 kHz. Using previous data from ipsilateral stimulation, the transcranial transmission (TT) and effects of bilateral stimulation to one cochlea was calculated.

    Results: The contralateral transmission from the 8 positions showed small differences, but the TT showed a generally increased cochlear separation when the stimulation position approached the cochlea. The effect of simultaneous bilateral stimulation was calculated, showing a low-frequency negative effect for correlated signals, whereas uncorrelated signals gave 3-dB gain. At higher frequencies, there was less interaction of the combined stimulation because of the greater intercochlear separation. Also, the greatest time difference between ipsilateral transmission and contralateral transmission was at positions close to the cochlea.

    Conclusion: The stimulation position only slightly affects the amplitude and phase of the contralateral cochlear velocity response. However, because of the great influence from the ipsilateral transmission, a position close to the cochlea would be beneficial for patients with bilateral BC hearing aids.

  • 45.
    Eeg-Olofsson, Måns
    et al.
    Göteborg university.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Granström, Gösta
    Göteborg University.
    Optimal position of a new bone conduction implant (BCI)2010In: 11th International Conference on Cochlear Implants and Other Auditory Implantable Technologies, Stockholm, Sweden, 2010Conference paper (Refereed)
  • 46.
    Eeg-Olofsson, Måns
    et al.
    Göteborgs Universitet.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Taghavi, Hamidreza
    Chalmers.
    Reinfeldt, Sabine
    Chalmers.
    Håkansson, Bo
    Chalmers.
    Finizina, Catharina
    Göteborgs Universitet.
    Transmission of bone conducted sound – correlation between hearing perception and cochlear vibration2012Conference paper (Refereed)
  • 47.
    Eeg-Olofsson, Måns
    et al.
    Sahlgrenska University Hospital, Göteborg University, Sweden.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Taghavi, Hamidreza
    Chalmers University of Technology, Göteborg, Sweden.
    Reinfeldt, Sabine
    Chalmers University of Technology, Göteborg, Sweden.
    Håkansson, Bo
    Chalmers University of Technology, Göteborg, Sweden.
    Tengstrand, Tomas
    Sahlgrenska University Hospital, Göteborg, Sweden.
    Finizia, Chatarina
    Sahlgrenska University Hospital, Göteborg University, Sweden.
    Transmission of bone conducted sound – Correlation between hearing perception and cochlear vibration2013In: Hearing Research, ISSN 0378-5955, E-ISSN 1878-5891, Vol. 306, 11-20 p.Article in journal (Refereed)
    Abstract [en]

    The vibration velocity of the lateral semicircular canal and the cochlear promontory was measured on 16 subjects with a unilateral middle ear common cavity, using a laser Doppler vibrometer, when the stimulation was by bone conduction (BC). Four stimulation positions were used: three ipsilateral positions and one contralateral position. Masked BC pure tone thresholds were measured with the stimulation at the same four positions. Valid vibration data were obtained at frequencies between 0.3 and 5.0 kHz. Large intersubject variation of the results was found with both methods. The difference in cochlear velocity with BC stimulation at the four positions varied as a function of frequency while the tone thresholds showed a tendency of lower thresholds with stimulation at positions close to the cochlea. The correlation between the vibration velocities of the two measuring sites of the otic capsule was high. Also, relative median data showed similar trends for both vibration and threshold measurements. However, due to the high variability for both vibration and perceptual data, low correlation between the two methods was found at the individual level. The results from this study indicated that human hearing perception from BC sound can be estimated from the measure of cochlear vibrations of the otic capsule. It also showed that vibration measurements of the cochlea in cadaver heads are similar to that measured in live humans.

  • 48.
    Elisabet, Sundewall Thorén
    et al.
    Eriksholm Reserach Centre, Denmark.
    Öberg, Marie
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Anaesthetics, Operations and Specialty Surgery Center, Department of Otorhinolaryngology in Linköping.
    Wänström, Gunilla
    Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
    Andersson, Gerhard
    Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences.
    Lunner, Thomas
    Eriksholm Research Centre, Denmark.
    Rehabiliteringsprogram för vuxna hörapparatanvändare2012Conference paper (Other academic)
  • 49.
    Feeney, Patrick
    et al.
    Oregon Health and Science University, Portland, Oregon, USA.
    Hunter, Lisa
    Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA.
    Kei, Joseph
    University of Queensland, Queensland, Australia.
    Lilly, David
    Oregon Health and Science University, Portland, Oregon, USA.
    Margolis, Robert
    University of Minnesota, Minneapolis, Minnesota, USA.
    Nakajima, Heidi
    Harvard Medical School, Boston, Massachusetts, USA.
    Neely, Stephen
    Boys Town National Research Hospital, Omaha, Nebraska, USA.
    Prieve, Beth
    Syracuse University, Syracuse, New York, USA.
    Rosowski, John
    Harvard Medical School, Boston, Massachusetts, USA.
    Sanford, Chris
    Idaho State University, Pocatello, Idaho, USA.
    Schairer, Kim
    James H. Quillen Veterans Affairs Medical Center, Mountain Home, Tennessee, USA.
    Shahnaz, Navid
    University of British Columbia, Vancouver, Canada.
    Stenfelt, Stefan
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Voss, Susan
    Smith College, Northampton, Massachusetts, USA.
    Consensus statement: Eriksholm workshop on wideband absorbance measures of the middle ear2013In: Ear and Hearing, ISSN 0196-0202, E-ISSN 1538-4667, Vol. 34, no Supplement 1, 78s-79s p.Article in journal (Refereed)
    Abstract [en]

    The participants in the Eriksholm Workshop on Wideband Absorbance Measures of the Middle Ear developed statements for this consensus article on the final morning of the Workshop. The presentations of the first 2 days of the Workshop motivated the discussion on that day. The article is divided into three general areas: terminology; research needs; and clinical application.The varied terminology in the area was seen as potentially confusing, and there was consensus on adopting an organizational structure that grouped the family of measures into the term wideband acoustic immittance (WAI), and dropped the term transmittance in favor of absorbance. There is clearly still a need to conduct research on WAI measurements. Several areas of research were emphasized, including the establishment of a greater WAI normative database, especially developmental norms, and more data on a variety of disorders; increased research on the temporal aspects of WAI; and methods to ensure the validity of test data. The area of clinical application will require training of clinicians in WAI technology. The clinical implementation of WAI would be facilitated by developing feature detectors for various pathologies that, for example, might combine data across ear-canal pressures or probe frequencies.

  • 50. Foo, Catharina
    et al.
    Lunner, Thomas
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology.
    Rudner, Mary
    Linköping University, Faculty of Arts and Sciences. Linköping University, Department of Behavioural Sciences and Learning, Cognition, Development and Disability.
    Rönnberg, Jerker
    Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research. Linköping University, Department of Behavioural Sciences and Learning, Disability Research.
    Speech recognition in noise and perceived effort2008In: The first International Work shop on Hearing and deafness HEAD,2008, 2008, 20-20 p.Conference paper (Other academic)
1234567 1 - 50 of 405
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