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| Research article summary (published 21 Nov 2001): |
Sensory and motor attentional modulation during the manual gap effect in humans: a high-density ERP study.
Full Abstract
The present study investigated reaction time (RT) and event-related potential (ERP) differences between gap and step conditions using visual stimulation and manual responses. RTs during the gap condition were facilitated with respect to those of the step condition. The ERPs, which were obtained from electrodes placed at 58 scalp sites, showed differences when the gap and step conditions were compared for the following components:
an early positive component centred at the vertex, an enhanced P1 component, a frontal negativity, a negative lateralized motor potential, and an increased P3. All these results suggest that the facilitation induced by the gap is mediated by a modulation of the neural circuits involved in sensory, motor, and cognitive functions.
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Author information
Author/s: Gómez, C M (CM); Delinte, A (A); Vaquero, E (E); Atienza, M (M); Cantero, J L (JL); Vazquez, M (M); Crommelinck, M (M); Roucoux, A (A);
Affiliation: Laboratorio Psicobiología, Departamento Psicología Experimental, Facultad de Psicología, Universidad de Sevilla, Avenida San Francisco Javier s/n, 41005 Seville, Spain. cgomez@cica.es
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale (Exp Brain Res), published in Germany. (Language: eng)
Reference: 2002-Feb; vol 142 (issue 3) : pp 385-94
Dates: Created 2002/01/30; Completed 2002/04/25; Revised 2008/02/15;
PMID: 11819047, 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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