Schyzotipy: from Personality Organization to Transition to Schizophrenia

The traditional medical model of schizophrenia assumes a categorical view of the syndrome. On the contrary, the dimensional approach to schizophrenia infers that schizophrenia is not a discrete illness entity, but that psychotic symptoms differ in quantitative ways from normal experiences and behaviours. Schizotypy comprise a set of inherited traits reflected in personality organization, which presents as qualitatively similar to schizophrenia. Schizotipy is in line with continuum hypothesis of schizophrenia where different combinations of genes and environmental risk factors result in a range of different phenotypic expressions lying on a continuum from normal through to clinical psychosis. We discuss evidences for the continuity of psychotic symptoms to normal experiences and theoretical and future research implications of such a continuum.