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M. J. Aartsen , C. H. Smits , T. van Tilburg , K. C. Knipscheer and D. J. Deeg 2002. Activity in older adults: cause or consequence of cognitive functioning? A longitudinal study on everyday activities and cognitive performance in older adults. Journals of Gerontology. Series B, Psychological Sciences and Social Sciences, 57, P153–P162.
S. S. Bassuk , T. A. Glass and L. F. Berkman 1999. Social disengagement and incident cognitive decline in community- dwelling elderly persons. Annals of Internal Medicine, 131, 165–173.
H. Bosma 2002. Engaged lifestyle and cognitive function in middle and old-aged, non-demented persons: a reciprocal association? Zeitschrift für Gerontologie und Geriatrie, 35, 575–581.
L. Fratiglioni , S. Paillard-Borg and B. Winblad 2004. An active and socially integrated lifestyle in late life might protect against dementia. Lancet Neurology, 3, 343–353.
M. Hogan 2005. Physical and cognitive activity and exercise for older adults: a review. International Journal of Aging & Human Development, 60, 95–126.
D. F. Hultsch , C. Hertzog , B. J. Small and R. A. Dixon 1999. Use it or lose it: engaged lifestyle as a buffer of cognitive decline in aging? Psychology and Aging, 14, 245–263.
R. Katzman 1995. Can late life social or leisure activities delay the onset of dementia? Journal of the American Geriatrics Society, 43, 583–584.
M. Kivipelto 2001. Midlife vascular risk factors and Alzheimer's disease in later life: longitudinal, population based study. BMJ, 322, 1447–1451.
M. P. Lawton and E. M. Brody 1969. Assessment of older people: self maintaining and instrumental activities of daily living. Gerontologist, 9, 179–186.
R. W. Mahley and S. C., Jr. Rall 2000. Apolipoprotein E: far more than a lipid transport protein. Annual Review of Genomics and Human Genetics, 1, 507–537.
T. P. Ng , M. Niti , P. C. Chiam and E. H. Kua 2006. Prevalence and correlates of functional disability in multiethnic elderly Singaporeans. Journal of the American Geriatrics Society, 54, 21–29.
T. P. Ng , M. Niti , P. C. Chiam and E. H. Kua 2007. Ethnic differences in cognitive performance on Mini-mental State Examination in Asians. American Journal of Geriatric Psychiatry, 15, 130–139.
S. Rovio 2005. Leisure-time physical activity at midlife and the risk of dementia and Alzheimer's disease. Lancet Neurology, 4, 705–711.
T. E. Seeman , T. M. Lusignolo , M. Albert and L. Berkman 2001. Social relationships, social support, and patterns of cognitive aging in healthy, high-functioning older adults: MacArthur studies of successful aging. Health Psychology, 20, 243–255.
H. Van Praag , B. R. Christie , T. J. Sejnowski and F. H. Gage 1999. Running enhances neurogenesis, learning, and long-term potentiation in mice. Proceedings of the National Academy of Sciences of the United States of America, 96, 13427–13431.
J. Y. Wang 2006. Leisure activity and risk of cognitive impairment: the Chongqing aging study. Neurology, 66, 911–913.