Vascular head pain selectively activates ventrolateral periaqueductal gray in the cat.

Abstract

Electrical stimulation of the superior sagittal sinus is an experimental model of migraine which activates neurons within the upper cervical spinal cord. The ventrolateral periaqueductal gray has been proposed as an integrative centre for the autonomic and behavioural responses to deep pain and also receives significant inputs from the upper cervical spinal… (More)

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