Is bipolar disorder more common in highly intelligent people? A cohort study of a million men

C. R. Gale*, G. D. Batty, A. M. McIntosh, D. J. Porteous, I. J. Deary, F. Rasmussen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Anecdotal and biographical reports have long suggested that bipolar disorder is more common in people with exceptional cognitive or creative ability. Epidemiological evidence for such a link is sparse. We investigated the relationship between intelligence and subsequent risk of hospitalisation for bipolar disorder in a prospective cohort study of 1 049 607 Swedish men. Intelligence was measured on conscription for military service at a mean age of 18.3 years and data on psychiatric hospital admissions over a mean follow-up period of 22.6 years was obtained from national records. Risk of hospitalisation with any form of bipolar disorder fell in a stepwise manner as intelligence increased (P for linear trend
Original languageEnglish
Pages (from-to)190-194
Number of pages5
JournalMolecular Psychiatry
Volume18
Issue number2
Early online date3 Apr 2012
DOIs
Publication statusPublished - Feb 2013

Keywords

  • RISK
  • comorbidity
  • age
  • national inpatient register
  • psychoses
  • IQ
  • performance
  • early adulthood
  • cognitive ability
  • validity
  • bipolar disorder
  • schizophrenia
  • intelligence

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