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This multiauthored book covers a broad range of topics related to neurodevelopment and psychosis. In its current form, the neurodevelopmental hypothesis of schizophrenia proposes that pathogenic mechanisms operate long before the first episode of psychosis, particularly before birth or during early postnatal life. The hypothesis has heuristic value, but it has proved to be difficult to test; the interpretation of some experimental results is controversial, and the lack of appropriate experimental design and replication has been a frequent problem. The hypothesis has also been criticized because of the long asymptomatic period between early development and the onset of psychosis
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