Abstract
We have already reported the prognosis of language in LKS. We divided the prognosis of acquired aphasia in LKS into two types : 1) transient and 2) chronic.
The present case belongs to the latter.
This report emphasizes the linguistic features of the recovery course of LKS in a 7-year-old boy who first suffered mutism after onset. His development of speech was normal. At 4.11 years old, he experienced an akinetic seizure followed by irritability and hyperkinetic behavior. From the onset of seizures, his receptive and expressive language initially decreased, then he became mute. In the course of language recovery, he demonstrated babbling like jargon, verbal stereotyping echolalia, baby talk and sentences consisting of two or three words, in that order. The contents of verbal stereotyping and echolalia reflected his favorite comic characters. After one year, he recovered his language, that is, he regained normal speech, reading and writing for his age.
We were especially interested in the subject's verbal stereotyping and echolalia in the early stage of language recovery. Echolalia was recognized as transcortical sensory aphasia. In the recovery course of LKS.