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| Research article summary (published 30 Dec 2002): |
Cerebral hemodynamics during discrimination of prosodic and semantic emotion in speech studied by transcranial doppler ultrasonography.
Full Abstract
Simultaneous measurement of blood flow velocity (BFV) in the middle cerebral arteries was achieved by transcranial Doppler ultrasonography in 36 right-handed volunteers who were instructed to identify the emotion conveyed by prosody or semantics of a number of sentences. The tasks were performed under 2 levels of interference:
neutral versus discordant affective value of the modality that had to be ignored. A multivariate analysis of variance showed a significant bilateral increase in BFV during the discordant conditions reflecting increased attentional demand. A significant left-hemispheric lateralization of BFV was observed as emotional semantics were labeled. When attention was shifted to affective prosody, the lateralization effect disappeared as a result of a marked increase in right-hemispheric BFV.
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Author information
Author/s: Vingerhoets, Guy (G); Berckmoes, Celine (C); Stroobant, Nathalie (N);
Affiliation: Laboratory for Neuropsychology, Ghent University, Belgium. guy.vingerhoets(-atsign-)rug.ac.be
Journal and publication information
Publication Type: Journal Article
Journal: Neuropsychology (Neuropsychology), published in United States. (Language: eng)
Reference: 2003-Jan; vol 17 (issue 1) : pp 93-9
Dates: Created 2003/02/24; Completed 2003/04/11; Revised 2004/11/17;
PMID: 12597077, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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