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| Research article summary (published 5 May 2002): |
Spatial coincidence modulates interaction between visual and somatosensory evoked potentials.
Full Abstract
The time course of interaction between concurrently applied visual and somatosensory stimulation with respect to evoked potentials (EPs) was studied. Visual stimuli, either in the left or right hemifield, and electric stimuli to the left wrist were delivered either alone or simultaneously. Visual and somatosensory EPs were summed and compared to bimodal EPs (BiEP, response to actual combination of both modalities). Temporal coincidence of stimuli lead to sub-additive or over-additive amplitudes in BiEPs in several time windows between 75 and 275 ms. Additional effects of spatial coincidence (left wrist with left hemifield) were found between 75 and 300 ms and beyond 450 ms. These interaction effects hint at a temporo-spatial pattern of multiple brain areas participating in the process of multimodal integration.
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Author information
Author/s: Schürmann, Martin (M); Kolev, Vasil (V); Menzel, Kristina (K); Yordanova, Juliana (J);
Affiliation: Institute of Physiology, Medical University Lübeck, 23538 Lübeck, Germany.
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Neuroreport (Neuroreport), published in England. (Language: eng)
Reference: 2002-May; vol 13 (issue 6) : pp 779-83
Dates: Created 2002/05/08; Completed 2002/06/26; Revised 2006/11/15;
PMID: 11997686, 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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