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motor cortex

the region of the cerebral cortex concerned with transmitting impulses to the voluntary muscles.
Origin of motor cortex
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for motor cortex
  • But in the long term the ultimate goal would be to place electrodes in the motor cortex of the brain.
  • The neurons in their primary motor cortex responded to the movements of the arm.
  • Implanted electrodes recorded activity in the motor cortex regions of the animals' brains while they performed the task.
  • Those are parts of the visual cortex, parts of the motor cortex and certain motion-sensing areas deeper in the brain.
  • The researchers instructed the patient to think of playing tennis, which activated areas of the motor cortex on the brain scans.
  • Unlike us, specific regions of an octopus' motor cortex don't correspond to specific parts of its body.
  • Switch on the electrodes reaching into the motor cortex, and suddenly they stand still and start talking about how good it feels.
  • Then he inserted it into a rat's skull, right over the motor cortex that controls movement.
  • The researchers studied the motor cortex, which devotes different areas to different body parts.
  • When doctors asked her to think of playing tennis, areas of her motor cortex leapt to life.
motor cortex in Medicine

motor cortex n.
The region of the cerebral cortex influencing movements of the face, neck and trunk, and arm and leg. Also called excitable area, motor area, Rolando's area.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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