Definition
Aging
There is no consensus on the definition of aging. Researchers and disciplines define aging differently and often disagree with each other. Based on Kirkwood, aging is defined as a progressive, generalized impairment of function, resulting in a loss of adaptive response to stress and in a growing risk of age related disease. The overall effect of these changes is summed up in the increase in the probability of dying, or age-specific death rate, in the population (Kirkwood TBL 1995). The author of this chapter agrees with Kirkwood ’s thesis as this definition best suit the context of community-based prospective cohort study.
Introduction
An aging population with increased life expectancy is leading to higher healthcare spending and an increased expenditure in long-term care. Singapore is one of the fastest aging countries in the world. By 2030, it is projected that 1 in 4 Singaporeans will be 65 years or older with only 2 working adults supporting each elderly resident....
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Buysse, D. J., Reynolds, C. F., 3rd, Monk, T. H., Berman, S. R., & Kupfer, D. J. (1989). The Pittsburgh Sleep Quality Index: A new instrument for psychiatric practice and research. Psychiatry Research, 28, 193–213.
Feng, L., Ng, T. P., Chuah, L., Niti, M., & Kua, E. H. (2006). Homocysteine, folate, and vitamin B-12 and cognitive performance in older Chinese adults: Findings from the Singapore Longitudinal Ageing Study. The American Journal of Clinical Nutrition, 84, 1506–1512.
Feng, L., Li, J., Yap, K. B., Kua, E. H., & Ng, T. P. (2009a). Vitamin B-12, apolipoprotein E genotype, and cognitive performance in community-living older adults: Evidence of a gene-micronutrient interaction. The American Journal of Clinical Nutrition, 89, 1263–1268.
Feng, L., Yap, P. L. K., Lee, T. S., & Ng, T. P. (2009b). Neuropsychiatric symptoms in mild cognitive impairment: A population-based study. Asia-Pacific Psychiatry, 1, 23–27.
Feng, L., Gwee, X., Kua, E. H., & Ng, T. P. (2010). Cognitive function and tea consumption in community dwelling older Chinese in Singapore. The Journal of Nutrition, Health & Aging, 14, 433–438.
Feng, L., Chong, M. S., Lim, W. S., & Ng, T. P. (2012). The Modified Mini-Mental State Examination test: Normative data for Singapore Chinese older adults and its performance in detecting early cognitive impairment. Singapore Medical Journal, 53, 458–462.
Kirkwood TBL. (1995). The evolution of aging. Reviews in Clinical Gerontology 5, 3–9.
Liew, T. M., Feng, L., Gao, Q., Ng, T. P., & Yap, P. (2015). Diagnostic utility of Montreal Cognitive Assessment in the fifth edition of Diagnostic and Statistical Manual of Mental Disorders: Major and mild neurocognitive disorders. Journal of the American Medical Directors Association, 16, 144–148.
Lim, M. L., Collinson, S. L., Feng, L., & Ng, T. P. (2010). Cross-cultural application of the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS): Performances of elderly Chinese Singaporeans. Clinical Neuropsychologist, 24, 811–826.
Pachana, N. A., Byrne, G. J., Siddle, H., Koloski, N., Harley, E., & Arnold, E. (2007). Development and validation of the Geriatric Anxiety Inventory. International Psychogeriatrics, 19, 103–114.
Sheikh, J. I., & Yesavage, J. A. (1986). Geriatric Depression Scale (GDS): Recent evidence and development of a shorter version. In Clinical gerontology: A guide to assessment and intervention (pp. 165–173). New York: The Haworth Press.
Sullivan, J., Edgley, K., & Dehoux, E. (1990). A survey of multiple sclerosis. Part 1. Perceived cognitive problems and compensatory strategy use. Canadian Journal of Rehabilitation, 4, 99–105.
Yu, J., Rawtaer, I., Fam, J., et al. (2015). Sleep correlates of depression and anxiety in an elderly Asian population. Psychogeriatrics. doi: 10.1111/psyg.12138. [Epub ahead of print].
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2017 Springer Science+Business Media Singapore
About this entry
Cite this entry
Feng, L. (2017). Ageing in a Community Environment Study (ACES) Cohort. In: Pachana, N.A. (eds) Encyclopedia of Geropsychology. Springer, Singapore. https://doi.org/10.1007/978-981-287-082-7_360
Download citation
DOI: https://doi.org/10.1007/978-981-287-082-7_360
Published:
Publisher Name: Springer, Singapore
Print ISBN: 978-981-287-081-0
Online ISBN: 978-981-287-082-7
eBook Packages: Biomedical and Life SciencesReference Module Biomedical and Life Sciences