eCite Digital Repository

Knowing when to respond and the efficiency of the cortical motor command: A Laplacian ERP study

Citation

Tandonnet, C and Burle, B and Vidal, F and Hasbroucq, T, Knowing when to respond and the efficiency of the cortical motor command: A Laplacian ERP study, Brain Research, 1109 pp. 158-163. ISSN 0006-8993 (2006) [Refereed Article]

DOI: doi:10.1016/j.brainres.2006.06.052

Abstract

The objective was to test whether motor preparation can modulate the efficiency of the cortical motor command. The electroencephalogram (EEG) was recorded from electrodes located over the primary sensorimotor cortices during the performance of a between-hand choice reaction time task in which foreperiod duration (the interval between the warning and the imperative signals, 800 vs. 2800 ms) was varied across blocks of trials. In order to increase the spatial resolution of the EEG traces, surface Laplacian was estimated. The amplitude of the negative wave developing over the hemisphere contralateral to the response was smaller for the short foreperiod associated with the best performance level. These results indicate that the activation of the primary sensorimotor cortex involved in the response is less pronounced for the short foreperiod, suggesting that temporal advance information increases the efficiency of the cortical motor command. © 2006 Elsevier B.V. All rights reserved.

Item Details

Item Type:Refereed Article
Research Division:Psychology and Cognitive Sciences
Research Group:Psychology
Research Field:Educational Psychology
Objective Division:Health
Objective Group:Public Health (excl. Specific Population Health)
Objective Field:Behaviour and Health
Author:Tandonnet, C (Dr Christophe Tandonnet)
ID Code:48270
Year Published:2006
Web of Science® Times Cited:14
Deposited By:Psychology
Deposited On:2007-10-10
Last Modified:2011-09-27
Downloads:0

Repository Staff Only: item control page