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Audiovisual presentation supports cognitive processing of information heard in modulated noise
Linköping University, The Swedish Institute for Disability Research. Linköping University, Faculty of Arts and Sciences.
Linköping University, The Swedish Institute for Disability Research. Linköping University, Faculty of Arts and Sciences.
Linköping University, The Swedish Institute for Disability Research. Linköping University, Faculty of Arts and Sciences. Eriksholm Research Centre, Oticon A/S, Snekkersten.
Linköping University, The Swedish Institute for Disability Research. Linköping University, Faculty of Arts and Sciences.
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2013 (English)Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

The cognitive spare capacity test (CSCT) assesses the ability to process heardinformation stored in working memory. This is important because listening that iseffortful, due to noise or hearing impairment, consumes cognitive resources leavingless capacity available for further processing. The CSCT pinpoints the effectsof modality of presentation (Audiovisual, Audio-only); memory load (High, Low)and different kinds of executive processing demands (Updating, Inhibition). Inthe present study, 24 participants with mild to moderate hearing loss performedCSCT with amplification in quiet, in steady-state noise at an individually adaptedsignal to noise ratio (SNR) rendering intelligibility of ~95% and in modulatednoise (International Speech Test Signal; ISTS) at the same SNR. An independentbattery of cognitive tests was also administered. Analysis of variance showedmain effects of all factors, including better performance with Audiovisual thanAudio-only modality. However, a significant interaction revealed that the Audiovisualbenefit was most prominent in ISTS. The benefit of Audiovisual presentationover Audio-only presentation correlated with the independent measure of workingmemory capacity. The pattern of results suggests that for the hearing impairedpopulation, Audiovisual presentation supports cognitive processing of informationheard in modulated noise and that the magnitude of this benefit is related toworking memory capacity.

Place, publisher, year, edition, pages
2013. 30-30 p.
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:liu:diva-94731OAI: oai:DiVA.org:liu-94731DiVA: diva2:634731
Conference
Second International Conference on Cognitive Hearing Science for Communication, 16-19 June 2013, Linköping Sweden
Available from: 2013-07-01 Created: 2013-07-01 Last updated: 2014-08-27

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Lunner, ThomasRönnberg, Jerker

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf