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Cognitive decline, stability, and gain between ages 70 and 79 in three Swedish birth cohorts
Halmstad University, School of Health and Welfare, Centre of Research on Welfare, Health and Sport (CVHI). University of Gothenburg, Gothenburg, Sweden.
Department of Psychology and Centre for Aging and Health (AgeCap), University of Gothenburg, Gothenburg, Sweden.
Department of Psychology and Centre for Aging and Health (AgeCap), University of Gothenburg, Gothenburg, Sweden.
2017 (English)In: 4th International Conference Aging & Cognition 2017, April 20–22: Abstract Book, 2017, 50-50 p.Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

The aim of this study was to investigate secular trends regarding proportions of individuals showing cognitive decline, stability, or gain between ages 70 and 79 years. For this purpose we analyzed data from three Swedish birth cohorts, born 1901-02, 1906-07, and 1930, and four cognitive measures (i.e. verbal meaning, figure identification, logical reasoning, and spatial ability). Using the standard error of measurement (SEm) at baseline (i.e. 70 years of age), participants were categorized as showing cognitive decline (if decreasing by more the 1 SEm between ages 70 and 79), gain (if increasing by more than 1 SEm) or otherwise evincing stability. χ²-tests indicated statistically significant differences between the cohorts for all four cognitive measures. For all cognitive measures earlier born cohorts consisted of a smaller proportion of individuals showing cognitive decline, and a larger proportion showing cognitive gain compared to later born cohorts. Possible explanations for these results are discussed in terms of cohort differences in selective survival and/or cognitive reserve.

Place, publisher, year, edition, pages
2017. 50-50 p.
Keyword [en]
aging, cognitive decline, cohort differences, cognitive gain, cognitive stability
National Category
Psychology (excluding Applied Psychology)
Identifiers
URN: urn:nbn:se:hh:diva-35110OAI: oai:DiVA.org:hh-35110DiVA: diva2:1146341
Conference
4th International Conference Aging & Cognition 2017, Zürich, Switzerland, April 20-22, 2017
Available from: 2017-10-02 Created: 2017-10-02 Last updated: 2017-10-10Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf