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motor area

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia, Hutchinson 0.04 sec.
motor area [′mōd·ər ‚er·ē·ə]
(neuroscience)
The ascending frontal gyrus containing nerve centers for voluntary movement; characterized by the presence of Betz cells. Also known as Broadman's area 4; motor cortex; pyramidal area.


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This change in size of the cortical motor area has been shown to be associated with both electrical stimulation as well as skill development.
However, when imagining sentences in another person's voice, hallucinators showed reduced blood flow in the supplementary motor area (SMA) and the left middle temporal gyrus (MTG), the scientists report in the Sept.
A new fan system keeps a consistent flow of air in the motor area, regardless of belt speed, to reduce motor temperature and allow for greater torque.
 
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