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What (who) is motor cortex - definition
REGION OF THE CEREBRAL CORTEX
Motor areas of cerebral cortex; Motor area; Motor cortical stimulation; Secondary motor cortex; Motor areas; Sensorimotor cortex
motor cortex
¦ noun Anatomy the part of the cerebral cortex in the brain in which originate the nerve impulses that initiate voluntary muscular activity.
Motor cortex
The motor cortex is the region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.
Primary motor cortex
BRAIN REGION
Anterior central gyrus; Precentral gynus; M1 (primary motor cortex); Prefrontal gyrus; Motor strip; Primary motor area; Cortex motorius primus; Motor strips; Corticomotor neuron; Corticomotorneuron
The primary motor cortex (Brodmann area 4) is a brain region that in humans is located in the dorsal portion of the frontal lobe. It is the primary region of the motor system and works in association with other motor areas including premotor cortex, the supplementary motor area, posterior parietal cortex, and several subcortical brain regions, to plan and execute voluntary movements.
Wikipedia
Motor cortex
The motor cortex is the region of the cerebral cortex believed to be involved in the planning, control, and execution of voluntary movements.
The motor cortex is an area of the frontal lobe located in the posterior precentral gyrus immediately anterior to the central sulcus.
Examples of use of motor cortex
1. It is placed on the surface of the motor cortex, the area of the brain responsible for voluntary movement.
2. Known as the BrainGate Neural Interface System, it consists of an array of electrodes that record neural activity from the motor cortex of the brain.
3. The BrainGate system uses a 4mm–square electronic chip, called the neuromotor prosthesis, inserted into the motor cortex of the brain, the area that controls voluntary movement.
4. In 12 of the 15, the cells in the motor cortex adjacent to the cell phone showed excitability during phone use but returned to normal within an hour.
5. The cortex is the outside layer of the brain and the motor cortex is known as the "excitable area" because magnetic stimulation has been shown to cause a muscle twitch.