Thyroid stimulating hormone, free thyroxine and cognitive ability in old age: The Lothian birth cohort study 1936

Thomas Booth, Ian J Deary, John M Starr

Research output: Contribution to journalArticlepeer-review

Abstract

The current study investigated the associations between thyroid stimulating hormone (TSH), free thyroxine (T4) and cognitive ability (general ability, memory and processing speed), in a large age homogenous sample (n=659) of generally healthy euthyroid older adults. Associations were considered both at baseline (mean age wave 1=69.5 years; SD=0.8 years) and approximately 3 years later (mean age wave 2=72.5 years; SD=0.7 years). Results indicated mean level decreases across waves in both TSH (t=10.99, p
Original languageEnglish
Pages (from-to)597-601
Number of pages5
JournalPsychoneuroendocrinology
Volume38
Issue number4
Early online date4 Sep 2012
DOIs
Publication statusPublished - Apr 2013

Keywords

  • thyroid stimulating hormone
  • TSH
  • free thyroxine
  • T4
  • cognitive ability
  • memory
  • processing speed

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