Brodmann area 22
Brodmann area 22
Brodmann area 22 (pronunciation: /ˈbrɔːdmən/ /ˈeəriə/ /ˈtwɛntiːˈtuː/), also known as BA22, is one of the cytoarchitectonic regions of the brain defined by the German anatomist Korbinian Brodmann. The term "cytoarchitectonic" (pronunciation: /ˌsaɪtoʊˌɑːrkɪˈtɛktonɪk/) is derived from the Greek words "kytos" meaning "cell", "archi" meaning "beginning", and "tekton" meaning "builder".
Function
Brodmann area 22 is part of the superior temporal gyrus in the dominant cerebral hemisphere which is the left hemisphere in about 95% of right-handed individuals and 70% of left-handed individuals. It is associated with auditory processing and is involved in the comprehension of speech.
Anatomy
Brodmann area 22 is located in the temporal lobe, more specifically in the superior temporal gyrus. It is bounded by Brodmann area 21 anteriorly, Brodmann area 42 posteriorly, and Brodmann area 38 superiorly.
Clinical Significance
Damage to Brodmann area 22 can result in Wernicke's aphasia, a type of non-fluent aphasia where individuals have difficulty understanding spoken language.
See Also
References
External links
- Medical encyclopedia article on Brodmann area 22
- Wikipedia's article - Brodmann area 22
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