Middle temporal gyrus
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|Middle temporal gyrus|
Lateral surface of left cerebral hemisphere, viewed from the side. (Middle temporal gyrus shown in orange.)
Right temporal lobe (shown in green). Middle temporal gyrus is visible at the middle of the green area.
|Part of||Temporal lobe|
|Artery||Middle cerebra and |
|Latin||Gyrus temporalis medius|
|Anatomical terms of neuroanatomy|
The middle temporal gyrus is bounded by:
- the superior temporal sulcus above;
- the inferior temporal sulcus below;
- an imaginary line drawn from the preoccipital notch to the lateral sulcus posteriorly.
Its exact function is unknown, but it has been connected with processes as different as contemplating distance, recognition of known faces, and accessing word meaning while reading. Some studies indicate that lesions of the posterior region of the middle temporal gyrus, in the left cerebral hemisphere, may result in alexia and agraphia for kanji characters (characters of Chinese origin used in Japanese writing).
- Acheson, DJ.; Hagoort, P. (Oct 2013). "Stimulating the brain's language network: syntactic ambiguity resolution after TMS to the inferior frontal gyrus and middle temporal gyrus". J Cogn Neurosci. 25 (10): 1664–77. doi:10.1162/jocn_a_00430. PMID 23767923.
- Sakurai, Y.; Mimura, I.; Mannen, T. (2008). "Agraphia for kanji resulting from a left posterior middle temporal gyrus lesion". Behav Neurol. 19 (3): 93–106. PMID 18641429.
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