Abstract

Demyelinating disease in children is known to be relatively rare. We report three cases defined as Devic's disease, acute disseminated encephalomyelitis, and multiple sclerosis. Follow-up studies of pattern appearance-disappearance visual evoked cortical potentials (VECPs) and pattern reversal steady state VECPs were performed. Results showed delays of appearance-disappearance VECPs that improved to shorter latencies with the improvement of visual acuity; however, recovery of VECPs was found to be behind the recovery of subjective vision. On the other hand, steady-state VECPs showed no normal waveforms even when vision recovered. Recovery of steady-state VECPs was found to be far behind that of transient VECPs and vision.

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