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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: A pathway in primate brain for internal monitoring of movements.
    Author: Sommer MA, Wurtz RH.
    Journal: Science; 2002 May 24; 296(5572):1480-2. PubMed ID: 12029137.
    Abstract:
    It is essential to keep track of the movements we make, and one way to do that is to monitor correlates, or corollary discharges, of neuronal movement commands. We hypothesized that a previously identified pathway from brainstem to frontal cortex might carry corollary discharge signals. We found that neuronal activity in this pathway encodes upcoming eye movements and that inactivating the pathway impairs sequential eye movements consistent with loss of corollary discharge without affecting single eye movements. These results identify a pathway in the brain of the primate Macaca mulatta that conveys corollary discharge signals.
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