Hemispheric contributions to the integration of visual and auditory information in speech perception

Kathleen Baynes, M. G. Funnell, C. A. Fowler

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Differential hemispheric contributions to the perceptual phenomenon known as the McGurk effect were examined in normal subjects, I callosotomy patient, and 4 patients with intractable epilepsy. Twenty-five right-handed subjects were more likely to demonstrate an influence of a mouthed ward on identification of a dubbed acoustic word when the speaker's fag vase lateralized to the LVF as compared with the RVF. In contrast, display of printed response alternatives in the RVF elicited a greater percentage of McGurk responses than display in the LVF. Visual field differences were absent in a group of 15 left-handed subjects. These results suggest that in right-handers, the two hemispheres may make distinct contributions to the McGurk effect. The callosotomy patient demonstrated reliable McGurk effects, but at a lower rate than the normal subjects and the epileptic control subjects. These data support the view that both the right and left hemisphere can make significant contributions to the McGurk effect.

Original languageEnglish (US)
Pages (from-to)633-641
Number of pages9
JournalPerception & Psychophysics
Volume55
Issue number6
DOIs
StatePublished - Nov 1994

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Speech Perception
Visual Fields
Acoustics
epilepsy
acoustics
McGurk Effect
Hearing
Group

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Sensory Systems
  • Psychology(all)

Cite this

Hemispheric contributions to the integration of visual and auditory information in speech perception. / Baynes, Kathleen; Funnell, M. G.; Fowler, C. A.

In: Perception & Psychophysics, Vol. 55, No. 6, 11.1994, p. 633-641.

Research output: Contribution to journalArticle

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