Brodmann area 33

Brodmann area 33 is a subdivision of the cerebral cortex in the human brain.

Brodmann Area 33

Brodmann area 33 animation

Brodmann area 33 is a subdivision of the cerebral cortex in the human brain, defined based on its distinct cytoarchitecture. It is part of the cingulate cortex, which is involved in various functions including emotion formation and processing, learning, and memory.

Location

Brodmann area 33 is located in the medial aspect of the brain, within the cingulate gyrus. It is situated anteriorly to Brodmann area 24 and is considered a part of the limbic system. This area is found in the medial wall of the hemisphere, and it is often associated with the anterior cingulate cortex.

Cytoarchitecture

Brodmann area 33 cytoarchitectonics

The cytoarchitecture of Brodmann area 33 is characterized by a thin cortical layer with a relatively simple structure compared to other cortical areas. It is distinguished by its lack of a distinct layer IV, which is typical of the granular cortex. The neurons in this area are densely packed, and the area is involved in processing emotional and autonomic information.

Function

Brodmann area 33 is involved in the processing of emotional and autonomic responses. It plays a role in the regulation of emotional behavior, pain perception, and autonomic functions. The area is also implicated in the integration of cognitive and emotional information, contributing to the emotional regulation and decision-making processes.

Clinical Significance

Dysfunction in Brodmann area 33 has been associated with various neuropsychiatric disorders, including depression, anxiety disorders, and schizophrenia. Its role in emotional processing makes it a target for research in understanding the neural basis of these conditions.

Related Pages

• Brodmann area 24
• Cingulate cortex
• Limbic system
• Anterior cingulate cortex

Brodmann area 33 medial view