Research article summary (published 30 May 2000):

Lateralization of speech processing in the brain as indicated by mismatch negativity and dichotic listening.

Full Abstract

The goal of the present study was to evaluate the differences between dichotic listening and mismatch negativity as measures of speech lateralization in the human brain. For this purpose, we recorded the magnetic equivalent of the mismatch negativity, elicited by consonant-vowel syllable change, and tested the same subjects in the dichotic listening procedure. The results showed that both methods indicated left-hemisphere dominance in speech processing. However, the mismatch negativity, as compared to the right-ear advantage, suggested slightly stronger left-hemisphere dominance in speech processing. No clear correlation was found between the laterality indexes of mismatch negativity and right-ear advantage calculated from dichotic listening results. The possible explanation for this finding would be that these two measures reflect different stages of speech processing in the human brain.

Author information

Author/s: Shtyrov, Y (Y); Kujala, T (T); Lyytinen, H (H); Kujala, J (J); Ilmoniemi, R J (RJ); Näätänen, R (R);

Affiliation: Department of Psychology, University of Helsinki, Finland.

Journal and publication information

Publication Type: Journal Article

Journal: Brain and cognition (Brain Cogn), published in UNITED STATES. (Language: eng)

Reference: -2000 Jun-Aug; vol 43 (issue 1-3) : pp 392-8

Dates: Created 2000/08/23; Completed 2000/08/23; Revised 2006/11/15;

PMID: 10857733, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult Brain - physiology Dichotic Listening Tests - methods Female

Functional Laterality - physiology Humans Male Speech Perception - physiology

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