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posterior cingulate
The posterior cingulate cortex (PCC) is the backmost part of the cingulate cortex, lying behind 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 posterior cingulate cortex 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 various functions. Along with the precuneus, the posterior cingulate cortex has been implicated as a neural substrate for human awareness in numerous studies of both the anesthesized and vegetative (coma) state. Imaging studies indicate a prominent role for the posterior cingulate cortex in pain and episodic memory retrieval. Increased size of posterior ventral cingulate cortex is related to the working memory performance decline. The posterior cingulate cortex has been strongly implicated as a key part of several intrinsic control networks.〔〔
==Anatomy==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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