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  • 1.
    Ellis, Rachel J.
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Munro, Kevin J.
    University of Manchester, England .
    Does cognitive function predict frequency compressed speech recognition in listeners with normal hearing and normal cognition?2013Ingår i: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 52, nr 1, s. 14-22Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objective:The aim was to investigate the relationship between cognitive ability and frequency compressed speech recognition in listeners with normal hearing and normal cognition. Design:Speech-in-noise recognition was measured using Institute of Electrical and Electronic Engineers sentences presented over earphones at 65 dB SPL and a range of signal-to-noise ratios. There were three conditions:unprocessed, and at frequency compression ratios of 2:1 and 3:1 (cut-off frequency, 1.6 kHz). Working memory and cognitive ability were measured using the reading span test and the trail making test, respectively. Study sample:Participants were 15 young normally-hearing adults with normal cognition. Results:There was a statistically significant reduction in mean speech recognition from around 80% when unprocessed to 40% for 2:1 compression and 30% for 3:1 compression. There was a statistically significant relationship between speech recognition and cognition for the unprocessed condition but not for the frequency-compressed conditions. Conclusions:The relationship between cognitive functioning and recognition of frequency compressed speech-in-noise was not statistically significant. The findings may have been different if the participants had been provided with training and/or time to acclimatize to the frequency-compressed conditions.

  • 2.
    Ellis, Rachel J
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. School of Psychological Sciences, University of Manchester, UK.
    Munro, Kevin J
    School of Psychological Sciences, University of Manchester, UK; Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.
    Predictors of aided speech recognition, with and without frequency compression, in older adults.2015Ingår i: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 54, nr 7, s. 467-75Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    OBJECTIVE: The aim was to investigate whether cognitive and/or audiological measures predict aided speech recognition, both with and without frequency compression (FC).

    DESIGN: Participants wore hearing aids, with and without FC for a total of 12 weeks (six weeks in each signal processing condition, ABA design). Performance on a sentence-in-noise recognition test was assessed at the end of each six-week period. Audiological (severity of high frequency hearing loss, presence of dead regions) and cognitive (reading span and trail making test scores) measures were obtained and assessed as predictors of sentence-in-noise recognition with and without FC enabled.

    STUDY SAMPLE: Twelve experienced hearing-aid users (aged 65-84 years old) with moderate-to-severe high-frequency hearing loss took part in the study.

    RESULTS: The results suggest that both auditory and cognitive factors can be predictive of sentence-in-noise recognition with conventional amplification. However, only auditory factors were significantly correlated with the degree of benefit obtained from FC.

    CONCLUSIONS: The strongest predictor of aided speech recognition, both with and without FC, was high frequency hearing loss. Cognitive performance was also a predictor of benefit from conventional amplification, but not of additional benefit from the use of FC.

  • 3.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Molander, Peter
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Rönnberg, Jerker
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Lyxell, Björn
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Andersson, Gerhard
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Psykologi. Linköpings universitet, Filosofiska fakulteten. Karolinska Institutet, Department of Clinical Neuroscience.
    Lunner, Thomas
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Snekkersten, Oticon A/S, Eriksholm Research Centre.
    Predicting speech-in-noise perception using the trail making task: Results from a large-scale internet study2015Konferensbidrag (Refereegranskat)
    Abstract [en]

    The purpose of this study was to investigate the utility of an internet-based version of the trail making test (TMT) to predict performance on a speech-in-noise perception task. Computerised versions of the tests were completed, via the internet, by a large (1500+) sample of listeners aged between 18 and 91 years old, both with and without hearing loss. The results show that better performance on both the simple and complex versions of the TMT are associated with better speech-in-noise recognition scores. The findings suggest that the relation between performance in the TMT and speech recognition test may be due to the capacity of the TMT to index perceptual speed, as opposed to the more complex cognitive abilities also implicated in TMT performance.

  • 4.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Molander, Peter
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Rönnberg, Jerker
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Lyxell, Björn
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Andersson, Gerhard
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden..
    Lunner, Thomas
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Eriksholm Research Centre, Oticon A/S, Snekkersten, Denmark..
    Predicting Speech-in-Noise Recognition from Performance on the Trail Making Test: Results from a Large-Scale Internet Study2016Ingår i: Ear and Hearing, ISSN 0196-0202, E-ISSN 1538-4667, Vol. 37, nr 1, s. 73-79Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objective: The aim of the study was to investigate the utility of an internet-based version of the trail making test (TMT) to predict performance on a speech-in-noise perception task.

    Design: Data were taken from a sample of 1509 listeners aged between 18 and 91 years old. Participants completed computerized versions of the TMT and an adaptive speech-in-noise recognition test. All testing was conducted via the internet.

    Results: The results indicate that better performance on both the simple and complex subtests of the TMT are associated with better speech-in-noise recognition scores. Thirty-eight percent of the participants had scores on the speech-in-noise test that indicated the presence of a hearing loss.

    Conclusions: The findings suggest that the TMT may be a useful tool in the assessment, and possibly the treatment, of speech-recognition difficulties. The results indicate that the relation between speech-in-noise recognition and TMT performance relates both to the capacity of the TMT to index processing speed and to the more complex cognitive abilities also implicated in TMT performance.

  • 5.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Molander, Peter
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande. Linköpings universitet, Filosofiska fakulteten.
    Rönnberg, Jerker
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Lyxell, Björn
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Andersson, Gerhard
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden.
    Lunner, Thomas
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköpings universitet, Institutionen för klinisk och experimentell medicin. Eriksholm Research Centre, Snekkersten, Denmark.
    Predicting Speech-in-Noise Recognition from Performance on the Trail Making Test: Results from a Large-Scale Internet Study2013Konferensbidrag (Refereegranskat)
  • 6.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. University of Manchester, England.
    Munro, Kevin J.
    University of Manchester, England; Central Manchester University Hospital NHS Fdn Trust, England.
    Benefit from, and acclimatization to, frequency compression hearing aids in experienced adult hearing-aid users2015Ingår i: International Journal of Audiology, ISSN 1499-2027, E-ISSN 1708-8186, Vol. 54, nr 1, s. 37-47Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Objective: The aim was to investigate whether frequency compression (FC) hearing aids provide additional benefit to that conferred by conventional amplification. Design: Participants wore the same hearing aid with FC enabled and disabled for six weeks (ABA design) in each condition. Speech recognition tests (in both quiet and in noise) were administered alongside two questionnaires. Performance was compared across the two signal processing conditions and at different time points. Study sample: Twelve experienced hearing-aid users (aged 65-84 years old) with moderate-to-severe high-frequency hearing loss participated in the study. Results: FC resulted in statistically significantly higher mean scores in all of the administered speech tests. Improvements over time were limited to high frequency phoneme perception. No effect of FC on self-report outcomes was observed. Conclusions: FC may lead to significant improvements in speech perception outcomes in both quiet and noise for many individuals. No participant was significantly disadvantaged by the use of FC.

  • 7.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Rönnberg, Jerker
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköpings universitet, Institutet för handikappvetenskap (IHV).
    Cognition and Speech-In-Noise Recognition: The Role of Proactive Interference2014Ingår i: JOURNAL OF THE AMERICAN ACADEMY OF AUDIOLOGY, ISSN 1050-0545, Vol. 25, nr 10, s. 975-982Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Background: Complex working memory (WM) span tasks have been shown to predict speech-in-noise (SIN) recognition. Studies of complex WM span tasks suggest that, rather than indexing a single cognitive process, performance on such tasks may be governed by separate cognitive subprocesses embedded within WM. Previous research has suggested that one such subprocess indexed by WM tasks is proactive interference (PI), which refers to difficulties memorizing current information because of interference from previously stored long-term memory representations for similar information. Purpose: The aim of the present study was to investigate phonological PI and to examine the relationship between PI (semantic and phonological) and SIN perception. Research Design: A within-subjects experimental design was used. Study Sample: An opportunity sample of 24 young listeners with normal hearing was recruited. Data Collection and Analysis: Measures of resistance to, and release from, semantic and phonological PI were calculated alongside the signal-to-noise ratio required to identify 50% of keywords correctly in a SIN recognition task. The data were analyzed using t-tests and correlations. Results: Evidence of release from and resistance to semantic interference was observed. These measures correlated significantly with SIN recognition. Limited evidence of phonological PI was observed. Conclusions: The results show that capacity to resist semantic PI can be used to predict SIN recognition scores in young listeners with normal hearing. On the basis of these findings, future research will focus on investigating whether tests of PI can be used in the treatment and/or rehabilitation of hearing loss.

  • 8.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Rönnberg, Jerker
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköpings universitet, Institutet för handikappvetenskap (IHV).
    How does susceptibility to proactive interference relate to speech recognition in aided and unaided conditions?2015Ingår i: Frontiers in Psychology, ISSN 1664-1078, E-ISSN 1664-1078, Vol. 6, nr 1017Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Proactive interference (PI) is the capacity to resist interference to the acquisition of new memories from information stored in the long-term memory. Previous research has shown that PI correlates significantly with the speech-in-noise recognition scores of younger adults with normal hearing. In this study, we report the results of an experiment designed to investigate the extent to which tests of visual PI relate to the speech-in-noise recognition scores of older adults with hearing loss, in aided and unaided conditions. The results suggest that measures of PI correlate significantly with speech-in-noise recognition only in the unaided condition. Furthermore the relation between PI and speech-in-noise recognition differs to that observed in younger listeners without hearing loss. The findings suggest that the relation between PI tests and the speech-in-noise recognition scores of older adults with hearing loss relates to capability of the test to index cognitive flexibility.

  • 9.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköping University, Linnaeus Centre HEAD.
    Rönnberg, Jerker
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköping University, Linnaeus Centre HEAD.
    Interaction in communication: Elderspeak and hearing aid visibility2015Konferensbidrag (Övrigt vetenskapligt)
  • 10.
    Ellis, Rachel
    et al.
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Rönnberg, Jerker
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Proactive interference and speech-in-noise recognition by listeners with normal hearing2013Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    Complex working memory capacity (WMC) span tasks have been shown to predict aided and unaided speech in noise recognition (see Akeroyd, 2008 for a review). Studies of complex WMC span tasks suggest that rather than indexing a single cognitive process, performance on such tasks may be governed by separate cognitive subprocesses embedded within WMC (see for example, Sörqvist, Ljungberg, & Ljung, 2010). Thus, the predictive relationship between scores on complex WMC span tasks and the perception of speech-in-noise may not due to WMC per se, but rather to one or more of the component processes that WMC tasks may index. Previous research has suggested that subprocesses may include executive functioning (Whitney et al., 2001) and resistance to proactive interference (Kane and Engle, 2000). Proactive interference (PI) refers to difficulties memorizing current information due to interference from previously stored long-term memory representations for similar information. Although PI is typically investigated in relation to semantic interference, the present research aims to examine PI caused by differences in phonological representations, similar to those caused by a hearing loss or different signal processing methods. The results of a study conducted to investigate the relationship between these cognitive processes and the speech in noise recognition scores of listeners with normal hearing will be presented.

  • 11.
    Håkan, Hua
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköpings universitet, Institutet för handikappvetenskap (IHV).
    Johansson, Björn
    Department of Audiology, Sahlgrenska University Hospital, Gothenburg, Sweden.
    Magnusson, Lennart
    Department of Audiology, Sahlgrenska University Hospital, Gothenburg, Sweden.
    Lyxell, Björn
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköpings universitet, Institutet för handikappvetenskap (IHV). Region Östergötland, Sinnescentrum, Öron- näsa- och halskliniken US.
    Ellis, Rachel J.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköpings universitet, Institutet för handikappvetenskap (IHV).
    Speech Recognition and Cognitive Skills in Bimodal Cochlear Implant Users2017Ingår i: Journal of Speech, Language and Hearing Research, ISSN 1092-4388, E-ISSN 1558-9102, Vol. 60, nr 9, s. 2752-2763Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Purpose: To examine the relation between speech recognition and cognitive skills in bimodal cochlear implant (CI) and hearing aid users.

    Method: Seventeen bimodal CI users (28-74 years) were recruited to the study. Speech recognition tests were carried out in quiet and in noise. The cognitive tests employed included the Reading Span Test and the Trail Making Test (Daneman & Carpenter, 1980; Reitan, 1958, 1992), measuring working memory capacity and processing speed and executive functioning, respectively. Data were analyzed using paired-sample t tests, Pearson correlations, and partial correlations controlling for age.

    Results: The results indicate that performance on some cognitive tests predicts speech recognition and that bimodal listening generates a significant improvement in speech in quiet compared to unilateral CI listening. However, the current results also suggest that bimodal listening requires different cognitive skills than does unimodal CI listening. This is likely to relate to the relative difficulty of having to integrate 2 different signals and then map the integrated signal to representations stored in the long-term memory.

    Conclusions: Even though participants obtained speech recognition benefit from bimodal listening, the results suggest that processing bimodal stimuli involves different cognitive skills than does unimodal conditions in quiet. Thus, clinically, it is important to consider this when assessing treatment outcomes.

  • 12.
    Molander, Peter
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköping University, Linnaeus Centre HEAD.
    Nordqvist, Peter
    Royal institute of technology, Research Institute Hearing Bridge, KTH.
    Ellis, Rachel
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköping University, Linnaeus Centre HEAD.
    Rönnberg, Jerker
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Linköping University, Linnaeus Centre HEAD.
    Lyxell, Björn
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Östergötlands Läns Landsting, Sinnescentrum, Öron- näsa- och halskliniken US. Linköping University, Linnaeus Centre HEAD.
    Lunner, Thomas
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten. Snekkersten, Oticon A/S, Eriksholm Research Centre.
    Andersson, Gerhard
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Psykologi. Linköpings universitet, Filosofiska fakulteten. Karolinska Institutet, Department of Clinical Neuroscience.
    Online administration of a speech in noise test and its relationship to cognition, hearing problems and mental health2015Konferensbidrag (Refereegranskat)
    Abstract [en]

    Hearing loss is common, but often both undetected and untreated. In this two-part study we evaluated an online hearing test and used this test to explore potential links between hearing status, cognitive abilities, psychological distress as well as quality of life.

    Out of a total of 1370 online recruited participants who completed the procedure, 16.2% failed the online hearing test. Hearing difficulties were more prevalent among the older participants. Poor self-rated hearing ability, as measured by the Amsterdam Inventory of Auditory Handicap, increased the odds ratio for failing the hearing test (OR 2.34, 95 % CI 1.74-3.15). The same was true for scoring above the cut-off score of 11 on the anxiety subscale on the Hospital Anxiety and Depression Scale (OR 2.55, 95 % CI 1.22-5.33). On the other hand, good performance on the cognitive tasks lowered the risk for a failed hearing test.

    We conclude that online hearing tests may have the potential to reduce the time lag between noticing hearing difficulties and beginning a process to address the problem. Moreover, online data collection facilitate large scale investigations on the links between hearing, cognition and perceived communication and mental health problems.

  • 13.
    Signoret, Carine
    et al.
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Ellis, Rachel
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Persson, Johan
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Lidestam, Björn
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Psykologi. Linköpings universitet, Filosofiska fakulteten.
    Dahlström, Örjan
    Linköpings universitet, Institutet för handikappvetenskap (IHV). Linköpings universitet, Institutionen för beteendevetenskap och lärande, Handikappvetenskap. Linköpings universitet, Filosofiska fakulteten.
    Effects of cognitive ability and top-down support on speech-in-noise perception2013Ingår i: Abstract book: Second International Conference on Cognitive Hearing Science for Communication, 2013, s. 191-191Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    As recent results encourage the inclusion of speech in noise (SIN) testing as part of a routine hearing screening test (Arlinger, Lunner, Lyxell, & Pichora-Fuller, 2009), we need to understand exactly which abilities SIN tests are actually indexing. In this study, we investigated the effect of top-down support on speech-in-noi-se perception and the influence of cognitive ability on this relationship by using monosyllabic words presented with stationary background noise in an adaptive threshold procedure. Participants with normal-hearing had to identify (Condition 1) or recognize (Conditions 2 and 3) a target word in noise in descending (Conditions 1 and 3) or ascending (Condition 2) levels of difficulty. Cognitive ability was measured using the reading span and letter memory tests. The results showed a significant effect of top-down support on speech in noise perception thresholds. The magnitude of this effect was predicted by performance on the letter memory test, indicating that good updating ability is, in presence of top-down support, a good predictor of speech in noise perception, in accordance with the Ease of Language Understanding model (Rönnberg, Rudner, Foo, & Lunner, 2008; Rönnberg, 2003; Stenfelt & Rönnberg, 2009). The results of the study highlight the importance of considering that non-auditory factors may play a significant role in speech-in-noise perception. The degree to which non-auditory factors influence speech-in-noise perception is affected by both the test procedure chosen and the cognitive ability of the listener.

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