Cortical evoked potentials in hepatolenticular degeneration

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Abstract 1.1. Somato-sensory and visual evoked potentials have been studied in three patients with hepatolenticular degeneration. 2.2. In one patient all of the components of the somato-sensory evoked potential were absent. In the other two patients prominent alterations of N 2 , P 2 and N 3 were observed. 3.3. The visual evoked potentials were within normal limits in all patients, except for the absence of rhythmic after-discharges. 4.4. Our findings suggest that somato-sensory evoked potentials are a more sensitive test than EEG in hepatolenticular degeneration.

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