Cerebellum Implicated in Sensory Acquisition and Discrimination Rather Than Motor Control

  • Jia-Hong Gao
    J.-H. Gao, L. M. Parsons, J. Xiong, J. Li, P. T. Fox, Research Imaging Center, Medical School, University of Texas Health Science Center, San Antonio, TX 78284-6240, USA.
  • Lawrence M. Parsons
    J.-H. Gao, L. M. Parsons, J. Xiong, J. Li, P. T. Fox, Research Imaging Center, Medical School, University of Texas Health Science Center, San Antonio, TX 78284-6240, USA.
  • James M. Bower
    J. M. Bower, Computation and Neural Systems, California Institute of Technology, Pasadena, CA 91125, USA.
  • Jinhu Xiong
    J.-H. Gao, L. M. Parsons, J. Xiong, J. Li, P. T. Fox, Research Imaging Center, Medical School, University of Texas Health Science Center, San Antonio, TX 78284-6240, USA.
  • Jinqi Li
    J.-H. Gao, L. M. Parsons, J. Xiong, J. Li, P. T. Fox, Research Imaging Center, Medical School, University of Texas Health Science Center, San Antonio, TX 78284-6240, USA.
  • Peter T. Fox
    J.-H. Gao, L. M. Parsons, J. Xiong, J. Li, P. T. Fox, Research Imaging Center, Medical School, University of Texas Health Science Center, San Antonio, TX 78284-6240, USA.

抄録

<jats:p>Recent evidence that the cerebellum is involved in perception and cognition challenges the prevailing view that its primary function is fine motor control. A new alternative hypothesis is that the lateral cerebellum is not activated by the control of movement per se, but is strongly engaged during the acquisition and discrimination of sensory information. Magnetic resonance imaging of the lateral cerebellar output (dentate) nucleus during passive and active sensory tasks confirmed this hypothesis. These findings suggest that the lateral cerebellum may be active during motor, perceptual, and cognitive performances specifically because of the requirement to process sensory data.</jats:p>

収録刊行物

  • Science

    Science 272 (5261), 545-547, 1996-04-26

    American Association for the Advancement of Science (AAAS)

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