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Neuroimage. 1996 Oct;4(2):105-10.

Brain representation of active and passive movements.

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  • 1Klinik für Neurologie, Friedrich Schiller Universität Jena, Germany.


During active and passive (driven by a torque motor) flexion and extension of the right elbow, regional cerebral blood flow (rCBF) was measured in six healthy, male volunteers using positron emission tomography and the standard H2(15)O injection technique. During active as well as during passive movements of the right elbow there were strong increases in rCBF, identical in location, amount, and extent in the contralateral sensorimotor cortex. There were activations during both conditions in the supplementary motor area (stronger and more inferior in the active condition) and inferior parietal cortex (on the convexity during active movements and in the depth of the central sulcus during passive movements). During active movements only, activations of the basal ganglia and the cingulate gyrus were found. Brain activations during motor tasks are largely related to the processing of afferent information.

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