期刊
CORTEX
卷 48, 期 10, 页码 1251-1261出版社
ELSEVIER MASSON, CORPORATION OFFICE
DOI: 10.1016/j.cortex.2012.04.014
关键词
Negative motor areas; Inhibition; Direct electrical stimulation
资金
- Wellcome Trust
- British Council
- Research Foundation Flanders
- European Science Foundation-European Collaborative Research Project/Economic and social Research Council [RES-062-23-2183]
- Leverhulme Trust
Electrical stimulation of the human cortex typically elicits positive sensorimotor effects. However, many neurosurgical studies have also reported negative motor areas (NMAs) in which stimulation produces inhibition of ongoing movement. The neurocognitive implications of these studies have not been systematically explored. Here we review the neurosurgical literature on NMAs and link this to cognitive mechanisms of inhibition and their role in voluntary control of action. In particular, we discuss the functional validity of NMAs. We contest the sceptical view that negative effects following stimulation merely reflect disruption of positive motor areas. Instead, we suggest that NMAs may produce an inhibitory mechanism under ecologically valid conditions. (C) 2012 Elsevier Srl. All rights reserved.
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