A functional classification of seizures and its distribution in a mentally retarded population

S. A. Richardson, H. Koller, M. Katz, J. McLaren

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

A functional classification of seizure impairment was described and its distribution examined in a population classified as mentally retarded in childhood and followed to age 22. Twenty-five percent of the sample had some history of seizures up to age 22. Seizure histories were found for 19% of these retarded persons in the preschool years and 13% in each period of early, late, and postschool years. A drop in minor seizure impairment occurred after age 5. A slightly higher frequency of seizure histories among males was found, largely due to subjects whose IQs were 50 to 59, where 44% of the males and 5% of the females had seizure histories. No significant association was found between degree of seizure impairment and severity of mental retardation.

Original languageEnglish (US)
Pages (from-to)457-466
Number of pages10
JournalAmerican Journal of Mental Deficiency
Volume85
Issue number5
StatePublished - Jan 1 1981

ASJC Scopus subject areas

  • Psychiatry and Mental health

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