Etiological study of mental retardation in Budapest, Hungary

E. Czeizel, A. Lanyi-Engelmayer, L. Klujber, J. Métneki, G. Tusnády

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The first complex etiological study of mental retardation in Budapest was carried out with 1,364 children aged 7 to 14 years. Of this sample, 1,060 attended special schools for mentally retarded children (47.5%), and 304 children lived in one of two residential training centers for moderately and severely retarded persons. Apart from the cases of unknown etiology (12.6%) and those who turned out to be 'normal' (6.5%), approximately 50% of the index patients were classified as pathologically retarded, and the other 50% as familial-culturally retarded. Strictly genetic disorders (inborn errors of metabolism, malformation syndromes caused by single mutant genes, and autosome and sex chromosome abnormalities) accounted for 3.1, 4.0, 4.0, and 1.3%, respectively, of all cases. Pre, peri-, and postnatal exogenic damage occurred in 1.8, 20.4, and 6.8% of the cases, respectively. Results were compared with findings from previous surveys in the United States and the United Kingdom.

Original languageEnglish
Pages (from-to)120-128
Number of pages9
JournalAmerican Journal of Mental Deficiency
Volume85
Issue number2
Publication statusPublished - 1980

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Hungary
Intellectual Disability
Sex Chromosome Aberrations
Inborn Errors Metabolism
Inborn Genetic Diseases
Mentally Disabled Persons
Genes
Mental Retardation
Budapest

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

Etiological study of mental retardation in Budapest, Hungary. / Czeizel, E.; Lanyi-Engelmayer, A.; Klujber, L.; Métneki, J.; Tusnády, G.

In: American Journal of Mental Deficiency, Vol. 85, No. 2, 1980, p. 120-128.

Research output: Contribution to journalArticle

Czeizel, E, Lanyi-Engelmayer, A, Klujber, L, Métneki, J & Tusnády, G 1980, 'Etiological study of mental retardation in Budapest, Hungary', American Journal of Mental Deficiency, vol. 85, no. 2, pp. 120-128.
Czeizel, E. ; Lanyi-Engelmayer, A. ; Klujber, L. ; Métneki, J. ; Tusnády, G. / Etiological study of mental retardation in Budapest, Hungary. In: American Journal of Mental Deficiency. 1980 ; Vol. 85, No. 2. pp. 120-128.
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