Brodmann area 39
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| Brodmann area 39 | |
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| Details | |
| Identifiers | |
| Latin | area angularis |
| NeuroLex ID | birnlex_1772 |
| FMA | 68636 |
| Anatomical terms of neuroanatomy | |
Brodmann area 39, or BA39, is part of the parietal cortex in the human brain. BA39 encompasses the angular gyrus, lying near to the junction of temporal, occipital and parietal lobes.
This area is also known as angular area 39 (H). It corresponds to the angular gyrus surrounding the caudal tip of the superior temporal sulcus. It is bounded dorsally approximately by the intraparietal sulcus. In terms of its cytoarchitecture, it is bounded rostrally by the supramarginal area 40 (H), dorsally and caudally by the peristriate area 19, and ventrally by the occipitotemporal area 37 (H) (Brodmann-1909).
Function
[edit]Area 39 was regarded by Alexander Luria as a part of the parietal-temporal-occipital area, which includes Brodmann area 40, Brodmann area 19, and Brodmann area 37. Damage to the left Brodmann area 39 may result in dyslexia or in semantic aphasia.[1] Albert Einstein had less neurones (relative to glial cells) in this (left sided) area than normal.[1] The right Brodmann area 39 appears to play a role in body image because electrical stimulation of the right angular gyrus induces an 'out-of-body' experience.[2]
See also
[edit]References
[edit]- ^ a b Kantha, S.S. (February 1992). "Albert Einstein's dyslexia and the significance of Brodmann Area 39 of his left cerebral cortex". Med Hypotheses. 37 (2): 119–22. doi:10.1016/0306-9877(92)90052-e. PMID 1584096.
- ^ Blanke, O. (Sep 2002). "Stimulating illusory own-body perceptions". Nature. 419 (6904): 269–70. doi:10.1038/419269a. PMID 12239558. S2CID 4427138.
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