On the plausibility of "the neurodevelopmental hypothesis" of schizophrenia

Research output: Contribution to journalArticle

Abstract

Speculation that schizophrenia is associated with abnormal brain development, the so-called neurodevelopmental hypothesis, has become so popular that it is rarely challenged in the literature. This paper critically examines the evidence for this hypothesis, taking primarily the "devil's advocate" position. The evidence from neuroimaging studies, from studies of prenatal and perinatal intrauterine events and ofpremorbid development are circumstantial with respect to brain development, many studies are methodologically flawed, and most do not exclude alternative explanations. Evidence from postmortem studies of anomalous cytoarchitecture in limbic and prefrontal cortices is especially noteworthy, as a developmental defect is virtually certain if artifacts can be excluded. Unfortunately, the studies responsible for these findings have serious methodological limitations. The neurobiological plausibility of the hypothesis, which might have been predicted to be its weakest aspect, has proved surprisingly unshakeable in a recent series of animal studies. Ironically, the principal weakness of the jieurodevelopmental hypothesis at present is the clinical database on which it rests. [Neuropsychopharmacology 14:1S-11S, 1996].

Original languageEnglish (US)
Pages (from-to)1S-11S
JournalNeuropsychopharmacology
Volume14
DOIs
StatePublished - Mar 1996
Externally publishedYes

Keywords

  • Brain development
  • Neurodevelopmental hypothesis
  • Neuropathology
  • Schizophrenia

ASJC Scopus subject areas

  • Pharmacology
  • Psychiatry and Mental health

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