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cortical homunculus
A cortical homunculus is a physical representation of the human body, located within the brain. A cortical homunculus is a neurological "map" of the anatomical divisions of the body. There are two types of cortical homunculus; sensory and motor.
==Types==
The primary motor cortex is located in the precentral gyrus, and handles signals coming from the premotor area of the frontal lobes. The primary sensory cortex is located in the postcentral gyrus,〔Marieb, E., Hoehn, K. ''Human Anatomy and Physiology''. 7th Ed. 2007. Pearson Benjamin Cummings: San Francisco.〕 and handles signals coming from the thalamus. These signals are then transmitted from the gyri to the brain stem and spinal cord via corresponding nerves.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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