Primary sensory areas

Primary cortical regions of the five sensory systems in the brain

The primary sensory areas are the primary cortical regions of the five sensory systems in the brain. Except for the olfactory system, they receive sensory information from thalamic nerve projections. The term primary comes from the fact that these cortical areas are the first level in a hierarchy of sensory information processing in the brain. This should not be confused with the function of the primary motor cortex, which is the last site in the cortex for processing motor commands.

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