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Cognition in hearing aid users
Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Linköping University, Department of Behavioural Sciences, The Swedish Institute for Disability Research.
Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research. (Linnaeus Centre HEAD)
Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research. Eriksholm Research Centre, Snekkersten, Denmark. (Linnaeus Centre HEAD)
Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences. Linköping University, The Swedish Institute for Disability Research. (Linnaeus Centre HEAD)
2015 (English)Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

Cognitive abilities vary between individuals and have been shown to be related to hearing aidbenet. How individual dierences in cognitive abilities interact with signal processing to reducelistening eort will be discussed in this presentation. Two studies were performed to investigate theeect of a hearing aid signal processing algorithm on free recall of speech heard in noise in hearingaid users, and the role of cognition. The specic aims were to develop a free recall test to measurethis eect and to test whether the eect would interact with background noise and/or individualdierences in cognitive capacity. Results demonstrated that noise impairs the ability to recall intelligiblespeech heard in noise. Noise reduction freed up cognitive resources and alleviated the negativeimpact of noise on memory when speech stimuli were presented in background noise consisting ofspeech babble. The possible underlying mechanisms are that noise reduction facilitates segregationof the auditory stream into target and irrelevant speech and reduces the capture of attention bythe linguistic information in irrelevant speech. In both studies, the eect of noise reduction on freerecall performance was modulated by individual dierences in cognitive capacity, suggesting that themechanism by which noise reduction facilitates free recall on speech heard in noise is dependent onworking memory capacity.

Place, publisher, year, edition, pages
2015.
National Category
Other Social Sciences
Identifiers
URN: urn:nbn:se:liu:diva-115094OAI: oai:DiVA.org:liu-115094DiVA: diva2:793571
Conference
7th Speech in Noise Workshop (SpiN), Copenhagen, Denmark, 8-9 January 2015
Available from: 2015-03-08 Created: 2015-03-08 Last updated: 2017-11-06

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Ning Ng, HoiRudner, MaryLunner, ThomasRönnberg, Jerker

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Citation style
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Output format
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