One of three gyri of the temporal lobe of the brain
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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.
Details
Part of
Temporal lobe
Artery
Middle cerebra and posterior cerebral
Identifiers
Latin
gyrus temporalis medius
NeuroNames
137
NeuroLex ID
birnlex_1653
TA98
A14.1.09.146
TA2
5495
FMA
61906
Anatomical terms of neuroanatomy
[edit on Wikidata]
Middle temporal gyrus is a gyrus in the brain on the temporal lobe. It is located between the superior temporal gyrus and inferior temporal gyrus. It corresponds largely to Brodmann area 21.
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.
It has been connected with processes as different as contemplating distance, recognition of known faces, audio-visual emotional recognition,[1] and accessing word meaning while reading.[2]
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).[3] The left middle temporal gyrus is also activated during poem composition.[4]
^Pourtois, G; Degelder, B; Bol, A; Crommelinck, M (2005). "Perception of Facial Expressions and Voices and of their Combination in the Human Brain". Cortex. 41 (1): 49–59. doi:10.1016/S0010-9452(08)70177-1. PMID 15633706. S2CID 3765984.
^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" (PDF). J Cogn Neurosci. 25 (10): 1664–77. doi:10.1162/jocn_a_00430. hdl:2066/116682. PMID 23767923. S2CID 3513464.
^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. doi:10.1155/2008/393912. PMC 5452449. PMID 18641429.
^Brain activity and connectivity during poetry composition: Toward a multidimensional model of the creative process
Siyuan Liu, Michael G. Erkkinen, Meghan L. Healey, Yisheng Xu, Katherine E. Swett, Ho Ming Chow, Allen R. Braun
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