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Titolo:
Visually induced activity in human frontal motor areas during simple visuomotor performance
Autore:
Thut, G; Hauert, CA; Blanke, O; Morand, S; Seeck, M; Gonzalez, SL; de Peralta, RG; Spinelli, L; Khateb, A; Landis, T; Michel, CM;
Indirizzi:
Univ Hosp Geneva, Funct Brain Mapping Lab, CH-1211 Geneva 14, Switzerland Univ Hosp Geneva Geneva Switzerland 14 b, CH-1211 Geneva 14, Switzerland Univ Hosp Geneva, Plurifac Program Cognit Neurosci, CH-1211 Geneva, Switzerland Univ Hosp Geneva Geneva Switzerland CH-1211 CH-1211 Geneva, Switzerland Univ Hosp Geneva, Dept Neurol, CH-1211 Geneva 14, Switzerland Univ Hosp Geneva Geneva Switzerland 14 l, CH-1211 Geneva 14, Switzerland Univ Geneva, Fac Psychol, CH-1211 Geneva, Switzerland Univ Geneva GenevaSwitzerland CH-1211 chol, CH-1211 Geneva, Switzerland
Titolo Testata:
NEUROREPORT
fascicolo: 13, volume: 11, anno: 2000,
pagine: 2843 - 2848
SICI:
0959-4965(20000911)11:13<2843:VIAIHF>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
STIMULUS-RESPONSE COMPATIBILITY; MOVEMENT-RELATED ACTIVITY; PREMOTOR CORTEX; REACTION-TIME; MONKEY; EEG; REPRESENTATION; TRANSFORMATION; BRAIN;
Keywords:
human electrophysiology; intracranial recordings; source localization; surface EPs; visuomotor transformation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Thut, G Univ Hosp Geneva, Funct Brain Mapping Lab, 24 Rue Micheli Crest, CH-1211 Geneva 14, Switzerland Univ Hosp Geneva 24 Rue Micheli Crest GenevaSwitzerland 14 rland
Citazione:
G. Thut et al., "Visually induced activity in human frontal motor areas during simple visuomotor performance", NEUROREPORT, 11(13), 2000, pp. 2843-2848

Abstract

Visuomotor tasks elicit neuronal activity in primate motor areas at relatively short latencies. Although this early activity embodies features of visual responses (short latency. stimulus-dependency). its sensory nature has been questioned. We investigated neural correlates of visuomotor performance in human motor areas using scalp and intracranial event-related potentialmeasures. A simple visuomanual reaction-time task evoked early potentials at 133-145 ms post-stimulus which occurred much earlier than the motor potentials of the same region. The amplitude of the early potentials covaried with stimulus location and was independent of parameters of the motor response. Because of their timing, stimulus-dependency and characteristics of ourbehavioral task, the early potentials are suggested to reflect neuronal responses of sensory nature rather than processing related to pure motor aspects of the task. NeuroReport 11:2843-2848 (C) 2000 Lippincott Williams & Wilkins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/04/20 alle ore 02:16:01