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gyrus centralis posterior - traduction vers arabe
![[[Coronal section]] of brain. Cingulate cortex is shown in yellow.](https://commons.wikimedia.org/wiki/Special:FilePath/Gray743 cingulate gyrus.png?width=200 "[[Coronal section]] of brain. Cingulate cortex is shown in yellow.")
![HE]]-[[LFB stain]].](https://commons.wikimedia.org/wiki/Special:FilePath/Spindle neurons - very high mag.jpg?width=200 "HE]]-[[LFB stain]].")
Définition
Wikipédia
The posterior cingulate cortex (PCC) is the caudal part of the cingulate cortex, located posterior to the anterior cingulate cortex. This is the upper part of the "limbic lobe". The cingulate cortex is made up of an area around the midline of the brain. Surrounding areas include the retrosplenial cortex and the precuneus.
Cytoarchitectonically the posterior cingulate cortex is associated with Brodmann areas 23 and 31.
The PCC forms a central node in the default mode network of the brain. It has been shown to communicate with various brain networks simultaneously and is involved in diverse functions. Along with the precuneus, the PCC has been implicated as a neural substrate for human awareness in numerous studies of both the anesthesized and vegetative (coma) states. Imaging studies indicate a prominent role for the PCC in pain and episodic memory retrieval. Increased size of the ventral PCC is related to a decline in working memory performance. The PCC has also been strongly implicated as a key part of several intrinsic control networks.
