Recurrent aphasia with subclinical bioelectric status epilepticus during sleep

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Abstract
We present a six years follow up of a 6 1/2 year-old boy with recurrent aphasia, sporadic emotional regression and a convulsive disorder. The electroencephalogram reading during sleep showed continuous, generalized, hypersynchronous activity without clinical evidence of seizure (“subclinical bioelectric status epilepticus”). Clinical, laboratory and instrumental data revealed no evidence of a morphological lesion of the brain, either spaceoccupying, inflammatory, degenerative, or autoimmune. Remissions occured with and without anticonvulsant and steroid therapy. The hypothetical location, type, and etiology of the process are discussed. The syndrome appears to represent a functional disorganisation of speech-controlling areas of the brain.