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Episodic long-term memory of spoken discourse masked by speech: What is the role for working memory capacity?
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering, Buildning science - applied psychology. Linnaeus Centre HEAD, Linköping University, Linköping, Sweden. (Miljöpsykologi)ORCID iD: 0000-0002-7584-2275
Linköpings Universitet.
2012 (English)In: Journal of Speech, Language and Hearing Research, ISSN 1092-4388, E-ISSN 1558-9102, Vol. 55, no 1, p. 210-218Article in journal (Refereed) Published
Abstract [en]

Purpose: To investigate whether working memory capacity (WMC) modulates the effects of to-be-ignored speech on the memory of materials conveyed by to-be-attended speech.

Method: Two tasks (reading span, Daneman & Carpenter, 1980; Rönnberg et al., 2008; and size-comparison span, Sörqvist, Ljungberg, & Ljung, 2010) were used to measure individual differences in WMC. Episodic long-term memory of spoken discourse was measured by requesting participants to listen to stories masked either by normal speech or by a rotated version of that speech and to subsequently answer questions on the content of the stories.

Results: Normal speech impaired performance on the episodic long-term memory test, and both WMC tasks were negatively related to this effect, indicating that individuals with high WMC are less susceptible to disruption. Moreover, further analyses revealed that size-comparison span (a task that requires resolution of semantic confusion by inhibition processes) is a stronger predictor of the effect than is reading span.

Conclusions: Cognitive control processes support listening in adverse conditions. In particular, inhibition processes acting to resolve semantic confusion seem to underlie the relationship between WMC and susceptibility to distraction from masking speech.

Place, publisher, year, edition, pages
Rockville: AMER SPEECH-LANGUAGE-HEARING ASSOC , 2012. Vol. 55, no 1, p. 210-218
Keywords [en]
working memory capacity, masking speech, cocktail party, size-comparison span, episodic long-term memory
National Category
Psychology (excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:hig:diva-9444DOI: 10.1044/1092-4388(2011/10-0353)ISI: 000301117200016PubMedID: 22199182Scopus ID: 2-s2.0-84857396421OAI: oai:DiVA.org:hig-9444DiVA, id: diva2:422763
Available from: 2011-06-13 Created: 2011-06-13 Last updated: 2018-03-13Bibliographically approved

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