Localization of grasp representations in humans by positron emission tomography

  title={Localization of grasp representations in humans by positron emission tomography},
  author={Scott T. Grafton and Michael A. Arbib and Luciano Fadiga and Giacomo Rizzolatti},
  journal={Experimental Brain Research},
Positron emission tomography imaging of cerebral blood flow was used to localize brain areas involved in the representation of hand grasping movements. Seven normal subjects were scanned under three conditions. In the first, they observed precision grasping of common objects performed by the examiner. In the second, they imagined themselves grasping the objects without actually moving the hand. These two tasks were compared with a control task of object viewing. Grasp observation activated the… CONTINUE READING
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