MILD MENTAL RETARDATION IN SWEDISH SCHOOL CHILDREN

摘要: ABSTRACT. Hagberg, B., G., Lewerth, A. and Lindberg, U. (Department of Paediatrics II, Ostra Sjukhuset, Gothenburg, Sweden) Mild mental retardation in Swedish school children. II. Etiologic pathogenetic aspects. Acta Paediatr Scand, 70:445,.–The etiology pathogenesis mild (MMR) (IQ 50–70) were analysed an unselected series 91 children with this condition born 1966-70. The cause was considered to be prenatal 23 %, including 5 % genetic, unknown 10% alcohol fetopathy 8%. A perinatal cause–mainly asphyxia combined fetal deprivation–was found 18 a postnatal 2 %. In 55 the untraceable. Half these latter had close relatives below-average intelligence. Exceptionally low birth weights lengths revealed among 8 fetopathy. Neurological abnormalities 43 children, epilepsy 12 cerebral palsy 9 clumsy child syndrome Psychiatric disturbances present 31 %.–The types multitudes predisposing background factors MMR compared those severe IQ group 71–75. general conclusion is drawn that negative pre- are today responsible for larger proportion than has previously been known.