The primary somatosensory cortex

Question

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The primary somatosensory cortex is composed of four areas called 3a, 3b, 2, and 1. It is responsible for processing sensory information from the body, such as touch, pain, and temperature. It is located in the postcentral gyrus, not the precentral gyrus (option A is incorrect). While the secondary somatosensory cortex does project to the primary somatosensory cortex, it does not provide the primary inputs to this area (option B is incorrect).

The Primary Somatosensory Cortex