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Human posterior parietal and dorsal premotor cortex encode the visual properties of an upcoming action

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  • Artur Pilacinski
  • Melanie Wallscheid
  • Axel Lindner

Abstract

Behavioral studies show that motor actions are planned by adapting motor programs to produce desired visual consequences. Does this mean that the brain plans these visual consequences independent of the motor actions required to obtain them? Here we addressed this question by investigating planning-related fMRI activity in human posterior parietal (PPC) and dorsal premotor (PMd) cortex. By manipulating visual movement of a virtual end-effector controlled via button presses we could dissociate motor actions from their sensory outcome. A clear representation of the visual consequences was visible in both PPC and PMd activity during early planning stages. Our findings suggest that in both PPC and PMd action plans are initially represented on the basis of the desired sensory outcomes while later activity shifts towards representing motor programs.

Suggested Citation

  • 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.
  • Handle: RePEc:plo:pone00:0198051
    DOI: 10.1371/journal.pone.0198051
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    References listed on IDEAS

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    1. 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.
    2. Franz Mechsner & Dirk Kerzel & Günther Knoblich & Wolfgang Prinz, 2001. "Perceptual basis of bimanual coordination," Nature, Nature, vol. 414(6859), pages 69-73, November.
    3. Dan O. Bahcall & Eileen Kowler, 1999. "Illusory shifts in visual direction accompany adaptation of saccadic eye movements," Nature, Nature, vol. 400(6747), pages 864-866, August.
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