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Hemispheric specializations affect interhemispheric speech sound integration during duplex perception

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Preisig Basil C., Sjerps Matthias J.,
Project Exploring audio-motor integration: a novel approach to overcoming hearing impairment
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Original article (peer-reviewed)

Journal The Journal of the Acoustical Society of America
Volume (Issue) 145(3)
Page(s) EL190 - EL196
Title of proceedings The Journal of the Acoustical Society of America
DOI 10.1121/1.5092829

Open Access

URL https://pure.mpg.de/rest/items/item_3031861_2/component/file_3031862/content
Type of Open Access Repository (Green Open Access)

Abstract

The present study investigated whether speech-related spectral information benefits from initially predominant right or left hemisphere processing. Normal hearing individuals categorized speech sounds composed of an ambiguous base (perceptually intermediate between /ga/ and /da/), presented to one ear, and a disambiguating low or high F3 chirp presented to the other ear. Shorter response times were found when the chirp was presented to the left ear than to the right ear(inducing initially right-hemisphere chirp processing), but no between-ear differences in strength of overall integration. The results are in line with the assumptions of a right hemispheric dominance for spectral processing.
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