Middle temporal gyrus is a

gyrus In neuroanatomy, a gyrus (pl. gyri) is a ridge on the cerebral cortex. It is generally surrounded by one or more sulci (depressions or furrows; sg. ''sulcus''). Gyri and sulci create the folded appearance of the brain in humans and other ...

in the brain on the temporal lobe. It is located between the

superior temporal gyrus The superior temporal gyrus (STG) is one of three (sometimes two) gyri in the temporal lobe of the human brain, which is located laterally to the head, situated somewhat above the external ear. The superior temporal gyrus is bounded by: * the la ...

and

inferior temporal gyrus The inferior temporal gyrus is one of three gyri of the temporal lobe and is located below the middle temporal gyrus, connected behind with the inferior occipital gyrus; it also extends around the infero-lateral border on to the inferior surface ...

. It corresponds largely to Brodmann area 21. The middle temporal gyrus is bounded by: * the

superior temporal sulcus The superior temporal sulcus (STS) is the sulcus separating the superior temporal gyrus from the middle temporal gyrus in the temporal lobe of the brain. A sulcus (plural sulci) is a deep groove that curves into the largest part of the brain, ...

above; * the inferior temporal sulcus below; * an imaginary line drawn from the preoccipital notch to the

lateral sulcus In neuroanatomy, the lateral sulcus (also called Sylvian fissure, after Franciscus Sylvius, or lateral fissure) is one of the most prominent features of the human brain. The lateral sulcus is a deep fissure in each hemisphere that separates th ...

posteriorly Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position pr ...

. It has been connected with processes as different as contemplating distance, recognition of known faces, audio-visual emotional recognition, 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 Agraphia is an acquired neurological disorder causing a loss in the ability to communicate through writing, either due to some form of motor dysfunction or an inability to spell. The loss of writing ability may present with other language or neur ...

for

kanji are the logographic Chinese characters taken from the Chinese script and used in the writing of Japanese. They were made a major part of the Japanese writing system during the time of Old Japanese and are still used, along with the subsequ ...

characters (characters of Chinese origin used in Japanese writing). The left middle temporal gyrus is also activated during poem composition.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

Additional images

File:Middle temporal gyrus animation small.gif, Position of middle temporal gyrus(shown in red). File:Gray1197.png, Drawing to illustrate the relations of the brain to the skull. File:Gehirn, lateral - Hauptgyri beschriftet.svg, Lateral view of a human brain, main gyri labeled. File:Slide2HAN.JPG, Cerebrum. Lateral view. Deep dissection. Superior temporal gyrus is labeled at bottom center. File:Middle_Temporal_-_DK_ATLAS.png, Middle temporal gyrus, right hemisphere. File:Middle temporal gyrus coronal sections.gif, Middle temporal gyrus highlighted in green on coronal T1 MRI images File:Middle temporal gyrus sagittal sections.gif, Middle temporal gyrus highlighted in green on sagittal T1 MRI images File:Middle temporal gyrus transversal sections.gif, Middle temporal gyrus highlighted in green on transversal T1 MRI images

References

{{DEFAULTSORT:Middle Temporal Gyrus Gyri Temporal lobe