Twin concordance for congenital and adult-onset psychosis: a preliminary study of the validity of a novel classification of schizophrenia.

doi:10.1111/j.1600-0447.1994.tb01502.x

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Article

Twin concordance for congenital and adult-onset psychosis: a preliminary study of the validity of a novel classification of schizophrenia.

Acta psychiatrica Scandinavica - 1 Feb 1994

Corrigall R J, Murray R M

Abstract excerpt

As a test of the hypothesis that the psychoses can be divided into congenital and adult-onset forms, we applied operational criteria for these two disorders to the case summaries of 24 monozygotic and 33 dizygotic schizophrenic twin pairs. Our results indicate that the reliability and validity of...

Topics

Adult
Depressive Disorder
Diseases in Twins
Female
Humans
Male
Phenotype
Psychiatric Status Rating Scales
Psychotic Disorders
Reproducibility of Results
Risk Factors
Schizophrenia
Schizophrenic Psychology
Twins, Dizygotic
Twins, Monozygotic

Source

Open in PubMed

Identifiers

PMID: 8178666
DOI: 10.1111/j.1600-0447.1994.tb01502.x

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-8178666-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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