Schizophrenia

abnormal admissions adoption adult affected appear associated autism become biological birth Bleuler brain called causes Chapter child childhood clinical co-twins combined compared concept concordance rates contribution controls correction definite diagnoses disease disorders early environment environmental etiology evidence example expected fact factors female Figure findings follow-up followed function further genes genetic genotype Gottesman half higher hospital identical important increased individuals Journal Kallmann kinds lead liability major male matings mean mental method mothers MZ pairs MZ twins normal observed offspring onset parents patients period personality phrenia population possible present Press prevalence probable probands problems proportion psychiatric psychopathology psychoses puzzle reared reasons relatives relevant reported reviewed risk Rosenthal sample schizo schizophrenia selection severity sibs Slater social specific studies suggest symptoms Table theory trait twin studies twins York