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precuneus
The region or gyrus on the medial side of the parietal lobe of each cerebral hemisphere between the cuneus & the posterior paracentral gyrus. It is bordered posteriorly by the parieto-occipital sulcus, inferiorly by the subparietal sulcus & anteriorly by the marginal sulcus.
Function:
- the precuneus is one of the polymodal cerebral cortices involved in integration of sensory input
Pathology:
- persistent vegetative state may involve disconnection of the precuneus from sensory input [2]
General
gyrus
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
- Silva S et al.
Wakefulness and loss of awareness: Brain and brainstem
interaction in the vegetative state.
Neurology 2010 Jan 26; 74:313
PMID: 20101037
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