A motor association area in the depths of the central sulcus

Cells in the precentral gyrus directly send signals to the periphery to generate movement and are principally organized as a topological map of the body. We find that movement-induced electrophysiological responses from depth electrodes extend this map three-dimensionally throughout the gyrus. Unexp...

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Bibliographic Details
Published in:Nature neuroscience 2023-07, Vol.26 (7), p.1165-1169
Main Authors: Jensen, Michael A, Huang, Harvey, Valencia, Gabriela Ojeda, Klassen, Bryan T, van den Boom, Max A, Kaufmann, Timothy J, Schalk, Gerwin, Brunner, Peter, Worrell, Gregory A, Hermes, Dora, Miller, Kai J
Format: Article
Language:English
Subjects:
Body parts
Brain
Brain Mapping - methods
Brief Communication
Cortex (motor)
Electrodes
Electromyography
Mapping
Motor Cortex - physiology
Movement
Neurosciences
Patients
Precentral gyrus
Topography
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Description
Summary:Cells in the precentral gyrus directly send signals to the periphery to generate movement and are principally organized as a topological map of the body. We find that movement-induced electrophysiological responses from depth electrodes extend this map three-dimensionally throughout the gyrus. Unexpectedly, this organization is interrupted by a previously undescribed motor association area in the depths of the midlateral aspect of the central sulcus. This 'Rolandic motor association' (RMA) area is active during movements of different body parts from both sides of the body and may be important for coordinating complex behaviors.
ISSN:1097-6256
1546-1726
DOI:10.1038/s41593-023-01346-z