The role of primary motor cortex : more than movement execution

The role of primary motor cortex : more than movement execution

The predominant role of the primary motor cortex (M1) in motor execution is well acknowledged. However, additional roles of M1 are getting evident in humans owing to advances in noninvasive brain stimulation (NIBS) techniques. This review collates such studies in humans and proposes that M1 also pla...

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Bibliographic Details
Main Authors: Bhattacharjee, Sagarika, Kashyap, Rajan, Abualait, Turki, Chen, Annabel Shen-Hsing, Yoo, Woo-Kyoung, Bashir, Shahid
Other Authors: School of Social Sciences
Format: Article
Language:English
Published: 2021
Subjects:
Social sciences::Psychology
Primary Motor Cortex
Cognitive Functions
Online Access:https://hdl.handle.net/10356/146716
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Institution: Nanyang Technological University
Language: English
Description
Summary:The predominant role of the primary motor cortex (M1) in motor execution is well acknowledged. However, additional roles of M1 are getting evident in humans owing to advances in noninvasive brain stimulation (NIBS) techniques. This review collates such studies in humans and proposes that M1 also plays a key role in higher cognitive processes. The review commences with the studies that have investigated the nature of connectivity of M1 with other cortical regions in light of studies based on NIBS. The review then moves on to discuss the studies that have demonstrated the role of M1 in higher cognitive processes such as attention, motor learning, motor consolidation, movement inhibition, somatomotor response, and movement imagery. Overall, the purpose of the review is to highlight the additional role of M1 in motor cognition besides motor control, which remains unexplored.

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