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The effect of language, spatial factors, masker type and memory span on speech-in-noise thresholds in sequential bilingual children
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering, Environmental psychology.ORCID iD: 0000-0002-4947-4579
Faculty of Electrical Engineering and Information Technology, RWTH Aachen University, Aachen, Germany.
Faculty of Electrical Engineering and Information Technology, RWTH Aachen University, Aachen, Germany.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering, Environmental psychology.
2018 (English)In: Scandinavian Journal of Psychology, ISSN 0036-5564, E-ISSN 1467-9450, Vol. 59, no 6, p. 567-577Article in journal (Refereed) Published
Abstract [en]

This study considers whether bilingual children listening in a second language are among those on which higher processing and cognitive demands are placed when noise is present. Forty-four Swedish sequential bilingual 15 year-olds were given memory span and vocabulary assessments in their first and second language (Swedish and English). First and second language speech reception thresholds (SRTs) at 50% intelligibility for numbers and colors presented in noise were obtained using an adaptive procedure. The target sentences were presented in simulated, virtual classroom acoustics, masked by either 16-talker multi-talker babble noise (MTBN) or speech shaped noise (SSN), positioned either directly in front of the listener (collocated with the target speech), or spatially separated from the target speech by 90° to either side. Main effects in the Spatial and Noise factors indicated that intelligibility was 3.8 dB lower in collocated conditions and 2.9 dB lower in MTBN conditions. SRTs were unexpectedly higher by 0.9 dB in second language conditions. Memory span significantly predicted 17% of the variance in the second language SRTs, and 9% of the variance in first language SRTs, indicating the possibility that the SRT task places higher cognitive demands when listening to second language speech than when the target is in the listener's first language.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2018. Vol. 59, no 6, p. 567-577
Keywords [en]
Bilinguals, spatial release from masking, working memory, speech reception thresholds, energetic masking, informational masking
National Category
Psychology
Identifiers
URN: urn:nbn:se:hig:diva-27869DOI: 10.1111/sjop.12466ISI: 000449851300001PubMedID: 30137681Scopus ID: 2-s2.0-85053223512OAI: oai:DiVA.org:hig-27869DiVA, id: diva2:1246044
Funder
EU, FP7, Seventh Framework Programme, FP7-607139Available from: 2018-09-06 Created: 2018-09-06 Last updated: 2019-01-07Bibliographically approved

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MacCutcheon, DouglasLjung, Robert

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