Neurodevelopmental models of schizophrenia that identify longitudinal precursors of illness
have been of great heuristic importance focusing most etiologic research over the past two …

Genetic factors are clearly important in the etiology of schizophrenia, but the environment in
which an individual's genes find expression is also crucial to the development of the illness …

Bipolar, schizophrenia, and schizoaffective disorders are common, highly heritable
psychiatric disorders, for which familial coaggregation, as well as epidemiological and …

Schizophrenia is an aetiologically heterogeneous syndrome that usually becomes overtly
manifest in adolescence and early adulthood, but in many cases subtle impairments in …

A coherent conceptualization of the role of psychological factors is of great importance in
understanding mental disorder. Academic articles and professional reports alluding to …

The DTNBP1 gene, encoding dysbindin, is now generally considered to be a susceptibility
gene for schizophrenia. However, the confidence with which this hypothesis can be held has …

It is not clear why some methamphetamine (MAMP) abusers develop psychotic symptoms,
while others use MAMP regularly over long periods and remain unscathed. We tested the …

The goal of this study was to identify susceptibility loci shared by schizophrenia (SZ) and
bipolar disorder (BP), or specific to each. To this end, we performed a dense genome scan …

Background. Euthymic bipolar-I disorder (BP I) patients and their siblings have shown
impairments in verbal learning and memory functions compared with controls, suggesting …

This paper gives an overview of environmental risk factors for schizophrenia. The presence
of certain biological and psychosocial factors at certain points in the lifespan has been …