Published online by Cambridge University Press: 22 November 2024
The primary motor cortex (M1) is located in the precentral gyrus in the frontal lobe. It is separated from the primary sensory cortex (S1) by the central sulcus. It is a six-layered agranular cortex. It consists of Brodmann areas 4 and 6. Area 4 is mainly located in the anterior bank of the central sulcus, whereas area 6 is located on the crown of the precentral gyrus.
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