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Negative motor phenomena in cortical stimulation: implications for inhibitory control of human action.

Filevich, E; Kühn, S; Haggard, P; (2012) Negative motor phenomena in cortical stimulation: implications for inhibitory control of human action. Cortex , 48 (10) 1251 - 1261. 10.1016/j.cortex.2012.04.014. Green open access

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Abstract

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.

Type: Article
Title: Negative motor phenomena in cortical stimulation: implications for inhibitory control of human action.
Location: Italy
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.cortex.2012.04.014
Publisher version: http://dx.doi.org/10.1016/j.cortex.2012.04.014
Language: English
Additional information: This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Keywords: Brain Mapping, Electric Stimulation, Evoked Potentials, Motor, Humans, Motor Cortex, Movement
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Institute of Cognitive Neuroscience
URI: https://discovery.ucl.ac.uk/id/eprint/1355065
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