The primary motor cortex is critical to initiating motor movements. Areas of the motor cortex correspond precisely to specific body parts.
The primary motor cortex (also known as M1) is critical to initiating motor movements. Areas of the motor cortex correspond precisely to specific body parts. For example, leg movements map to the part of the motor cortex closest to the midline. Not all body parts are equally represented by surface area or cell density â€“ representations of the arm hand motor area occupy the most space in the motor cortex (unsurprising given their importance to human behavior). Similarly, representations in the motor cortex can become relatively large or small with practice/training.
primary, motor, cortex, m1, movement, map
- ID: 2102
- Source: DNALC.G2C
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