Brodmann area 40
Brodmann area 40 (BA40) is a region of the cerebral cortex in the human brain. This area is also known as the supramarginal gyrus (SMG), which is located in the parietal lobe.
Anatomy[edit | edit source]
The Brodmann area 40 is part of the parietal cortex, located just anterior to the Brodmann area 39 (angular gyrus). It is bounded approximately by the central sulcus, the lateral sulcus (Sylvian fissure), and the intraparietal sulcus.
Function[edit | edit source]
The BA40 is involved in a variety of cognitive functions, including language processing, spatial orientation, and body image. It is also implicated in the processing of somatosensory information, particularly in relation to the control of motor functions.
Clinical significance[edit | edit source]
Damage to the Brodmann area 40 can result in Gerstmann syndrome, a neurological disorder characterized by agraphia, acalculia, finger agnosia, and left-right disorientation.
See also[edit | edit source]
References[edit | edit source]
External links[edit | edit source]
- Brodmann area 40 at BrainInfo
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Contributors: Prab R. Tumpati, MD
