Biobehavioral risk factors in children of schizophrenic parents.
Use quick body-brain tests, not family stories, to screen children of schizophrenic parents for early illness risk.
01Research in Context
What this study did
Frame et al. (1984) looked at kids who have a parent with schizophrenia.
They read every paper they could find on early warning signs.
The team asked: do body-brain markers or family stress better predict later illness?
What they found
The review says body-brain signs win.
Things like odd eye tracking or slow brain waves show up before any talk of ghosts or voices.
Family life stories added little power to spot the kids in trouble.
How this fits with other research
Blough (1992) later agreed that child schizophrenia looks like the adult type, giving the same markers more weight.
Funderburk et al. (1983) had hinted that mom’s fertility drugs might matter; L et al. push past parent tales to the kid’s own biology.
Cerutti et al. (2004) widened the lens, showing the same family risk holds when mild ID is in the mix.
Wang et al. (2025) now hunt early body clues for autism, showing the idea is still alive forty years on.
Why it matters
If you assess youth at genetic risk for psychosis, add simple biobehavioral checks: smooth-pursuit eye tracking, EEG oddball response, or soft motor signs. These take ten minutes, need no parent interview, and give you objective flags to share with the medical team.
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02At a glance
03Original abstract
Research on risk factors for schizophrenia is reviewed with emphasis on children of schizophrenic parents. As children of schizophrenic parents are not representative of the majority of individuals who become schizophrenic, examination of variables such as those relating to home environment or parental characteristics in these children is not expected to contribute greatly to an understanding of risk for schizophrenia or to the search for early indicators of a genetic liability, whereas study of selected biobehavioral variables may do so. Four areas of biobehavioral functioning that have been examined in high-risk research are discussed. Three of these are considered to be compatible with the hypothesis of a neurointegrative defect underlying schizophrenia-proneness and to be promising for further research.
Journal of autism and developmental disorders, 1984 · doi:10.1007/BF02409827