Brodmann areas 3, 1 and 2

Brodmann areas 3, 1, and 2 are regions of the cerebral cortex in the human brain that are involved in somatosensory processing. These areas were first defined by Korbinian Brodmann based on their cytoarchitectonic characteristics. They are located in the postcentral gyrus, and are part of the primary somatosensory cortex (S1).

Brodmann area 3

Brodmann area 3 of the human brain.

Brodmann area 3 is the main receptive sensory area for the sense of touch. It receives a substantial amount of input from the thalamus, and is involved in the processing of tactile information. This area is also responsible for the perception of pressure and texture.

Brodmann area 1

Brodmann area 1 of the human brain.

Brodmann area 1 is involved in the processing of tactile information, specifically texture and size. It receives input from the thalamus and sends output to the secondary somatosensory cortex (S2).

Brodmann area 2

Brodmann area 2 of the human brain.

Brodmann area 2 is involved in the processing of proprioceptive information, which is information about the position and movement of the body. It receives input from the thalamus and sends output to the premotor cortex and the supplementary motor area.

See also

• Brodmann area
• Cerebral cortex
• Somatosensory system