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Mapping the motor and sensory cortices: a historical look and a current case study in sensorimotor localization and

Justin Silverstein1

  • 1Spine Medical Services, PLLC, Commack, New York, USA.

The Neurodiagnostic Journal
|May 8, 2012
PubMed

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The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.