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  • Title: Complex movements evoked by microstimulation of the ventral intraparietal area.
    Author: Cooke DF, Taylor CS, Moore T, Graziano MS.
    Journal: Proc Natl Acad Sci U S A; 2003 May 13; 100(10):6163-8. PubMed ID: 12719522.
    Abstract:
    Most neurons in the ventral intraparietal area (VIP) of the macaque brain respond to both visual and tactile stimuli. The tactile receptive field is usually on the face, and the visual receptive field usually corresponds spatially to the tactile receptive field. In this study, electrical microstimulation of VIP, but not of surrounding tissue, caused a constellation of movements including eye closure, facial grimacing, head withdrawal, elevation of the shoulder, and movements of the hand to the space beside the head or shoulder. A similar set of movements was evoked by an air puff to the monkey's cheek. One interpretation is that VIP contributes to defensive movements triggered by stimuli on or near the head.
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