Median nerve somatosensory evoked potentials seps were performed on 35 patients with acute stroke and correlated with functional outcome as measured by placement length of stay and an activities of daily living index barthel index there was a statistically . Somatosensory evoked potential sep or ssep is the electrical activity of the brain that results from the stimulation of touchsep tests measure that activity and are a useful noninvasive means of assessing somatosensory system functioning by combining sep recordings at different levels of the somatosensory pathways it is possible to assess the transmission of the afferent volley from the . Motor evoked potentials in the early stage of stroke give controversial results their prognostic ability becomes significant only 1 month after onset the measurement of somatosensory evoked potentials sseps is an objective method of assessing the integrity of sensory and motor pathways and areas of the central nervous system . They were pseudorandomly assigned to receive in addition to such treatment 2 hours of median nerve stimulation at 1 of 2 different stimulus intensities subsensory defined as not sufficient to elicit paresthesias or suprasensory paresthesias elicited in the distribution of the median nerve in the absence of motor evoked potentials meps . Materials and methods in the present study normative data of cortical evoked potentials in particular of n20 wave onset and peak latencies by median nerve stimulation in a group of 100 medical students aged between 18 and 30 years were documented and the effect of physiological variables were studied
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