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Effects of parental absence and institutionalization on the development of clinical symptoms in high-risk children

E F Walker, R Cudeck, S A Mednick

    Acta Psychiatrica Scandinavica
    |February 1, 1981
    PubMed

    Insights

    Parental absence and institutionalization impact schizophrenia symptoms in high-risk individuals. Institutionalization increased symptoms in males, while maternal absence showed protective effects for males if not institutionalized.

    Area of Science:

    • Psychiatry
    • Developmental Psychology
    • Genetics

    Background:

    • Schizophrenia risk is influenced by genetic predisposition and environmental factors.
    • Parental absence and institutionalization are potential environmental stressors.
    • Understanding these factors' impact is crucial for early intervention in high-risk populations.

    Purpose of the Study:

    • To investigate the direct and indirect effects of parental absence and institutionalization on schizophrenic symptomatology.
    • To examine sex-specific differences in these effects.
    • To analyze the mediating role of institutionalization in the relationship between parental absence and schizophrenia development.

    Main Methods:

    • Longitudinal study of 207 high-risk Danish subjects (children of mothers with schizophrenia).
    • Data collected on parental absence and institutionalization (years 1-10) in 1962.
    • Psychiatric evaluation (standardized interview, PSE, CAPPS) in 1972 to assess eight clinical symptoms.
    • Path analysis conducted separately for males and females.

    Main Results:

    • Parental absence had both direct and indirect effects on schizophrenic symptomatology, with institutionalization acting as a mediator.
    • For males, the absence of a schizophrenic mother was associated with decreased symptomatology, provided it did not lead to institutionalization.
    • Institutionalization was linked to increased symptoms in males, but not in females.

    Conclusions:

    • Environmental factors like parental absence and institutionalization play a significant role in schizophrenia development, even in genetically predisposed individuals.
    • The impact of these environmental factors is sex-dependent, suggesting different developmental pathways for males and females.
    • Findings highlight the importance of minimizing institutionalization for high-risk children and suggest potential protective effects of maternal presence under certain conditions.

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