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Longitudinal evidence of the impact of normal thyroid stimulating hormone variations on cognitive functioning in very old age.
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2005 (English)In: Psychoneuroendocrinology, ISSN 0306-4530, Vol. 30, no 7, 625-637 p.Article in journal (Refereed) Published
Abstract [en]

The purpose of this study was to examine longitudinal associations among thyroid stimulating hormone (TSH) levels and cognitive performance. Data collected at the first three assessment times, approximately 3 years apart, are reported for the survivors (nZ45) from a previously published cross-sectional study. Participants were aged 75–93 years at baseline, and data reported were collected in the Kungsholmen Project, a longitudinal project investigating aging and dementia. Analyses revealed that although declining verbal fluency and visuospatial abilities were accompanied by simultaneously declining TSH levels, the pattern of crosssectional and longitudinal results are interpreted such that declining TSH levels may have caused episodic memory deficits later on. These results were obtained in the examination of 6-year but not 3-year change, and after removal of the cognitive variation associated with depressive mood symptoms.

Place, publisher, year, edition, pages
2005. Vol. 30, no 7, 625-637 p.
Keyword [en]
thyroid function, cognitive function, longitudinal
National Category
URN: urn:nbn:se:su:diva-13544DOI: doi:10.1016/j.psyneuen.2005.01.010OAI: diva2:180064
Available from: 2008-04-10 Created: 2008-04-10 Last updated: 2011-01-12Bibliographically approved

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Wahlin, Åke
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Department of Psychology

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