Cerebral cortical dynamics during visuomotor transformation: Adaptation to a cognitive-motor executive challenge

Rodolphe J. Gentili; Trent J. Bradberry; Hyuk Oh; Bradley D. Hatfield; Jose L. Contreras Vidal

doi:10.1111/j.1469-8986.2010.01143.x

Cerebral cortical dynamics during visuomotor transformation: Adaptation to a cognitive-motor executive challenge

Rodolphe J. Gentili, Trent J. Bradberry, Hyuk Oh, Bradley D. Hatfield, Jose L. Contreras Vidal

Research output: Contribution to journal › Article

37 Scopus citations

Abstract

EEG was employed during cognitive-motor adaptation to a visuomotor transformation that required inhibition of an established motor plan. Performance was positively related to frontal alpha and theta power during both planning and execution of reaching movements to visual targets. EEG changes suggest initial involvement of frontal executive functioning to suppress established visuomotor mappings followed by progressive idling (i.e., alpha synchrony). Also, progressive idling of the temporal and parietal sites over the trials was observed, suggesting a decreasing role of working memory and encoding of the new visuomotor map, respectively. The regional changes in the cortical dynamics translated into the quality of motor behavior. This study expands our understanding of the role of frontal executive processes beyond the cognitive domain to the cognitive-motor domain.

Original language	English (US)
Pages (from-to)	813-824
Number of pages	12
Journal	Psychophysiology
Volume	48
Issue number	6
DOIs	https://doi.org/10.1111/j.1469-8986.2010.01143.x
State	Published - Jun 1 2011

Keywords

Alpha frequency band
Arm movement
Electroencephalography
Frontal executive
Theta frequency band
Visuomotor adaptation-learning

ASJC Scopus subject areas

Physiology
Physiology (medical)
Experimental and Cognitive Psychology
Neuropsychology and Physiological Psychology

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