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Does cognitive function predict frequency compressed speech recognition in listeners with normal hearing and normal cognition?
Linköping University, Department of Behavioural Sciences and Learning, Disability Research. Linköping University, Faculty of Arts and Sciences.
University of Manchester, England .
2013 (English)In: International Journal of Audiology, ISSN 1499-2027, Vol. 52, no 1, 14-22 p.Article in journal (Refereed) Published
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.

Place, publisher, year, edition, pages
Informa Healthcare , 2013. Vol. 52, no 1, 14-22 p.
Keyword [en]
Frequency compression, cognition, speech-in-noise, trail making test, reading span test
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-90768DOI: 10.3109/14992027.2012.721013ISI: 000312223800003OAI: diva2:614679

Funding Agencies|ESRC CASE||Phonak AG||

Available from: 2013-04-05 Created: 2013-04-05 Last updated: 2013-07-01

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Ellis, Rachel J.
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