Biobehavioral risk factors in children of schizophrenic parents

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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.