Intellect and cognitive performance in the Lothian Birth Cohort 1936

Sophie von Stumm*, Ian J. Deary

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Investment personality traits are thought to positively affect cognitive performance in old age, even after controlling for prior cognitive ability. In the Lothian Birth Cohort 1936 (N = 1,091), a cross-lagged model tested for reciprocal effects of the investment trait Intellect on verbal fluency, an indicator of crystallized intelligence, at age 70 and 73 years, while adjusting for general IQ at age 11 and 70 years. Intellect at age 70 was weakly associated with contemporaneous verbal fluency but had no significant effects on fluency at age 73. Conversely, verbal fluency at age 70 was significantly, positively related to Intellect at age 73. The results suggest that better verbal fluency precedes intellectual investment in old age rather than the other way around.

Original languageEnglish
Pages (from-to)680-684
Number of pages5
JournalPsychology and Aging
Volume28
Issue number3
DOIs
Publication statusPublished - Sept 2013

Keywords / Materials (for Non-textual outputs)

  • investment
  • cognitive aging
  • intelligence
  • personality
  • childhood IQ
  • lose
  • age
  • engagement
  • hypothesis
  • validity
  • model

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