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Integration of target and body-part information in the premotor cortex when planning action

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  • Eiji Hoshi

    (Tohoku University School of Medicine)

  • Jun Tanji

    (Tohoku University School of Medicine
    The Core Research for Evolutional Science and Technology Program)

Abstract

To plan an action, we must first select an object to act on and the body part (or parts) to use to accomplish our intention. To plan the motor task of reaching, we specify both the target to reach for and the arm to use. In the process of planning and preparing a motor task, information about the motor target and the arm to use must be integrated before a motor program can be formulated to generate the appropriate limb movement. One of the structures in the brain that is probably involved in integrating these two sets of information is the premotor area in the cerebral cortex of primates1,2,3,4,5. The lateral sector of the dorsal premotor cortex is known to receive both visual and somatosensory input6,7,8, and we show here that neurons in this area gather information about both the target and the body part, while subsequent activity specifies the planned action.

Suggested Citation

  • Eiji Hoshi & Jun Tanji, 2000. "Integration of target and body-part information in the premotor cortex when planning action," Nature, Nature, vol. 408(6811), pages 466-470, November.
    • Handle: RePEc:nat:nature:v:408:y:2000:i:6811:d:10.1038_35044075
    DOI: 10.1038/35044075
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    Cited by:

    1. Artur Pilacinski & Melanie Wallscheid & Axel Lindner, 2018. "Human posterior parietal and dorsal premotor cortex encode the visual properties of an upcoming action," PLOS ONE, Public Library of Science, vol. 13(10), pages 1-20, October.
    2. Hagai Lalazar & L F Abbott & Eilon Vaadia, 2016. "Tuning Curves for Arm Posture Control in Motor Cortex Are Consistent with Random Connectivity," PLOS Computational Biology, Public Library of Science, vol. 12(5), pages 1-27, May.

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