Proisocortex

Proisocortex is a region of the cortex in the brain that is located in between the periallocortex and the isocortex. It is a transitional area that shares characteristics with both the periallocortex and the isocortex.

Structure

The proisocortex is found in the cerebral cortex, which is the outer layer of the cerebrum. It is located in the paralimbic cortex, which is a region that surrounds the limbic system. The proisocortex is a transitional area that is located between the periallocortex, which is closer to the limbic system, and the isocortex, which is the largest part of the cerebral cortex.

The proisocortex has a structure that is intermediate between the three-layered periallocortex and the six-layered isocortex. It typically has four or five layers, although the exact number can vary.

Function

The proisocortex is involved in a variety of functions, including emotion, memory, and learning. It is also involved in the processing of sensory information and in the control of motor functions.

The proisocortex is particularly important in the processing of olfactory (smell) information. The olfactory cortex, which is part of the proisocortex, is the first region of the brain that receives sensory information from the olfactory bulb.

Clinical significance

Damage to the proisocortex can result in a variety of neurological and psychiatric disorders. These can include epilepsy, schizophrenia, and Alzheimer's disease. In addition, damage to the proisocortex can result in impairments in memory and learning, as well as in the processing of sensory information.

See also

• Cerebral cortex
• Periallocortex
• Isocortex
• Paralimbic cortex
• Limbic system

References

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