The proprioceptive sensitivity of healthy volunteers and convalescents after acute cerebrovascular episodes was studied by a new neurophysiological method for registration of kinesthetic evoked potentials emerging in response to passive 50o bending of the hand in the wrist joint with the angular acceleration of 350 rad/sec2. Kinesthetic evoked potentials were recorded above the somatosensory cortex projection areas in the hemispheres contra- and ipsilateral to the stimulated limb. The patients exhibited significantly longer latencies and lesser amplitudes of the early components of response in the involved hemisphere in comparison with normal subjects. The method for registration of the kinesthetic evoked potentials allows a more detailed study of the mechanisms of kinesthetic sensitivity in health and in organic involvement of the brain.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 158, No. 9, pp. 385-388, September, 2014
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Gordeev, S.A., Voronin, S.G. A New Method for Registration of Kinesthetic Evoked Potentials for Studies of Proprioceptive Sensitivity in Normal Subjects and Patients with Organic Lesions in the Brain. Bull Exp Biol Med 158, 393–396 (2015). https://doi.org/10.1007/s10517-015-2770-7
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DOI: https://doi.org/10.1007/s10517-015-2770-7