Betula - Aging, memory and dementia
Initiatives
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Population based (25–100 yrs.), started in 1988, the seventh wave is ongoing. 10400 test sessions, with ~5850 longitudinal observations. All were healthy and non-demented at baseline, but more than 400 have developed some form of dementia. Very comprehensive examinations on health, biomarkers, genotyping, neuropsychology and brain imaging. Time points five and six are part of Lifebrain.
- Start Year
- 1988
- End Year
- 2004
Visit Betula - Aging, memory and dementia
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Design
- Study design
- Population cohort
- Follow Up
- The participants of the project have was tested, interviewed and examined medically at six occasions (1988-1990, 1993-1995, 1998-2000, 2003-2005, 2008-2010 and 2013-2014)
Marker Paper
Rönnlund M, Sundström A, Adolfsson R, et al. Subjective memory impairment in older adults predicts future dementia independent of baseline memory performance: Evidence from the Betula prospective cohort study.Alzheimers Dement. 2015;11(11):1385-1392. doi:10.1016/j.jalz.2014.11.006
Recruitment
- Sources of Recruitment
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- Individuals
Number of participants
- Number of participants
- 376
- Number of participants with biosamples
- Supplementary Information
- Aged over 65 years
Access
Availability of data and biosamples
| Data | |
| Biosamples | |
| Other |