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Encyclopedia > Subgenual area 25

Brodmann area 25 (BA25) is an area in the cerebral cortex of the brain and delineated based on its cytoarchitectonic characteristics. It is also called the subgenual area or area subgenualis. It is the 25th "Brodmann area" defined by Korbinian Brodmann (thus its name). BA25 is located in the cingulate region as a narrow band in the caudal portion of the subcallosal area adjacent to the paraterminal gyrus. The posterior parolfactory sulcus separates the paraterminal gyrus from BA25. Rostrally it is bound by the prefrontal area 11 of Brodmann. [1] Location of the cerebral cortex Slice of the cerebral cortex, ca. ... Italic text // ahh addiing sum spiice iin hurr`` For other uses, see Brain (disambiguation). ... Cell biology (also called cellular biology or cytology, from the Greek kytos, container) is an academic discipline which studies cells. ... A Brodmann area is a region in the brain cortex defined in many different species based on its cytoarchitecture. ... Korbinian Brodmann (November 17, 1868 - August 22, 1918) was a German neurologist who became famous for his definition of the cerebral cortex into 52 distinct regions from their cytoarchitectonic (histological) characteristics. ...

Contents

History

Brodman described this area as it is labeled now in 1909. Originally in 1905, Brodman labeled the area as part of area 24. In 1909, he divided the area into area 24 and 25.[2]


Pathology

One study has noted that BA25 is metabolically overactive in treatment-resistant depression and has found that chronic deep brain stimulation in the white matter adjacent to the area is a successful treatment for some patients.[3] Clinical depression (also called major depressive disorder, or unipolar depression when compared to bipolar disorder) is a state of intense sadness, melancholia or despair that has advanced to the point of being disruptive to an individuals social functioning and/or activities of daily living. ... In neurotechnology, deep brain stimulation (DBS) is a surgical treatment involving the implantation of a medical device called a brain pacemaker, which sends electrical impulses to specific parts of the brain. ... White matter is one of the two main solid components of the central nervous system. ...


Notes and References

  1. ^ subgenual area 25. braininfo.rprc.washington.edu, retrieved November 18, 2006.
  2. ^ area 25 of Brodmann-1909. braininfo.rprc.washington.edu, retrieved November 19, 2006.
  3. ^ Deep Brain Stimulation for Treatment-Resistant Depression neuron.org, March 3, 2005. Retrieved November 18, 2006.

See also


  Results from FactBites:
 
Brodmann (2127 words)
Cytoarchitecturally bounded rostrally by the preparietal area 5 and the caudal postcentral area 2; caudally by the peristriate area 19; and medially by the dorsal posterior cingulate area 31.
Cytoarchitecturally bounded dorsocaudally by the intermediate frontal area 8, caudally by the agranular frontal area 6, and ventrally by the frontopolar area 10, the middle frontal area 46 and the opercular area 44.
Cytoarchitecturally bounded on the rostral and lateral aspects of the hemisphere by the frontopolar area 10, the orbital area 47, and the triangular area 45; on the medial surface it is bounded dorsally by the area 12 and caudally by the subgenual area 25.
Brodmann area 11 - Wikipedia, the free encyclopedia (515 words)
Prefrontal area 11 of Brodmann-1909 is a subdivision of the frontal lobe in the human defined on the basis of cytoarchitecture.
Cytoarchitecturally it is bounded on the rostral and lateral aspects of the hemisphere by the frontopolar area 10, the orbital area 47, and the triangular area 45; on the medial surface it is bounded dorsally by the rostral area 12 and caudally by the subgenual area 25.
Brodmann area 11 is a subdivision of the frontal lobe of the guenon defined on the basis of cytoarchitecture (Brodmann-1905).
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