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Brodmann area 40

Part of the parietal cortex in the human brain

Summary

Part of the parietal cortex in the human brain

Field	Value
Name	Brodmann area 40
Latin	area supramarginalis
Image	Brodmann area 40.png
Caption	Brodmann area 40
Image2	Brodmann Cytoarchitectonics 40.png

Brodmann area 40 (BA40) is part of the parietalcortex in the human brain. The inferior part of BA40 is in the area of the supramarginal gyrus, which lies at the posterior end of the lateral fissure, in the inferior lateral part of the parietal lobe.

It is bounded approximately by the intraparietal sulcus, the inferior postcentral sulcus, the posterior subcentral sulcus and the lateral sulcus. It is bounded caudally by the angular area 39 (H), rostrally and dorsally by the caudal postcentral area 2, and ventrally by the subcentral area 43 and the superior temporal area 22 (Brodmann-1909).

Cytoarchitectonically defined subregions of rostral BA40/the supramarginal gyrus are PF, PFcm, PFm, PFop, and PFt. Area PF is the homologue to macaque area PF, part of the mirror neuron system, and active in humans during imitation.

Function

The supramarginal gyrus part of Brodmann area 40 is the region in the inferior parietal lobe that is involved in reading both as regards meaning and phonology.

Additional images

Image:Gray725.png|Lateral surface of left cerebral hemisphere, viewed from above. Image:Gray1197.png|Drawing of a cast to illustrate the relations of the brain to the skull. (Supramarginal gyrus labeled at upper left, in yellow section.)

References

(2009). "Supramarginal gyrus involvement in visual word recognition". Cortex.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

brodmann-areas parietal-lobe

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