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Neurophysiologic changes in hemiplegia
54
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1976
Year
Motor ControlFusimotor DriveNeurovascular DiseaseKinesiologyStroke RehabilitationNeurophysiologic ChangesNeurologyNeurorehabilitationNeurological FunctionHealth SciencesMedicineCerebral InfarctionRehabilitationNeurostimulationCerebral Blood FlowPhysical TherapyNeurophysiologyMotor SystemLong-standing HemiplegiaNeuroscienceCentral Nervous SystemStrokeNeuromusculoskeletal Disorder
In an attempt to clarify the neurophysiologic changes that may follow a cerebral lesion in man, we have studied patients with recent and with long-standing hemiplegia from cerebral infarction. In patients with recent cerebral lesions, inhibition of the monosynaptic reflex by vibration is enhanced. In patients with long-standing cerebral lesions, this inhibitory mechanism is less effective and a comparison of the electrically and mechanically induced monosynaptic reflexes suggests that fusimotor drive may be increased. Related clinical findings are reduced muscle "tone" immediately after the lesion and increased muscle "tone" and exaggerated tendon jerks in patients with long-standing hemiplegia.