The single cell recording studies of the motor control of reaching movements have demonstrated that neurons in the motor cortex are selectively active based on the movement of the body.
Describe the motor cortex.
- The primary function of the motor cortex is to generate signals to direct the movement of the body.
- It is part of the frontal lobe and is anterior to the central sulcus.
- It consists of the primary motor cortex, premotor cortex, and supplementary motor area.
- The primary motor cortex, situated in Brodmann area 4, sends most electrical impulses coming out of the motor complex.
- The premotor complex is situated just anterior to the primary motor cortex. Its function is to prepare for movements, especially proximal musculature.
- The supplementary motor cortex is on the medial surface of the longitudinal fissure, just anterior to the leg representation in the primary motor cortex. Although not fully understood, proposed functions include body postural stabilization and coordination.
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