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The periaqueductal gray is the gray matter located around the cerebral aqueduct within the tegmentum of the midbrain. It projects to the nucleus raphe magnus, and also contains descending autonomic tracts.
Jul 24, 2023 · The periaqueductal gray (PAG) is a key structure in the propagation and modulation of pain, sympathetic responses as well as the learning and action of defensive and aversive behaviors.
The periaqueductal gray, or PAG, is an area of gray matter found in the midbrain. The PAG surrounds the cerebral aqueduct (hence the name periaqueductal) and occupies a column of brainstem that stretches about 14 mm long.
Dec 14, 2017 · The periaqueductal gray, or PAG, is an area of gray matter that surrounds the cerebral aqueduct in the brainstem. Although it is associated with a number of functions, it is best known for...
The periaqueductal or “central” gray is a group of neurons that surrounds the aqueduct and is divided into four major zones: dorsomedial, dorsolateral, ventrolateral, and medial ( Fig. 8). The medial portion immediately surrounds the aqueduct.
This review and meta-analysis aims at summarizing and integrating the human neuroimaging studies that report periaqueductal gray (PAG) involvement; 250 original manuscripts on human neuroimaging of the PAG were identified.
Periaqueductal gray - area of grey matter in the midbrain that is involved in a descending pain control pathway. The periaqueductal gray, or PAG, receives pain information via the spinomescencephalic tract and then can activate the endogenous opiate system to suppress pain.
