The Sydney Memory and Ageing Study (MAS), is one of Australia’s largest and longest running studies of ageing and cognitive health. MAS began in 2005 with the aims of investigating rates and predictors of healthy cognitive ageing, mild cognitive impairment (MCI) and dementia in older Australians. Over the last 14 years, MAS has collected biomarker, genetic/epigenomic, neuroimaging, cognitive, proteomics/lipidomics, health, and lifestyle data to determine what factors are associated with cognitively normal ageing and progression to MCI or dementia.
Projects
CHeBA Longitudinal Studies
The original study, Sydney Memory and Ageing Study (MAS), ran for 14 years and is one of Australia’s largest and longest running studies of ageing and cognitive health. Over 200 publications using MAS data have appeared in a large range of respected national and international journals.
Despite the rapid ageing of our population there have been only a few population-based studies of centenarians and near-centenarians internationally, and none in Australia. The study of exceptionally long lived individuals will shed light on the determinants of successful aging, both environmental and genetic. It will also help us understand the health care requirements of this group and enable us to plan accordingly.
The Older Australian Twins Study is a longitudinal study investigating healthy brain ageing in older twins (65+ years). Healthy ageing is characterised by low levels of disability, high cognitive and functional capacity, and an active engagement in life. The most important ingredient of healthy ageing is a healthy brain, bereft of age-related diseases and dysfunction. Brain ageing and brain diseases are determined by multiple genetic factors that interact with environmental influences. Since identical twins share 100% of their genetic code, whereas non-identical twins share half their genetic information, detailed comparisons of these two groups has the potential to discover new genes involved in cognitive decline or resilience.
Maintain Your Brain is a randomised controlled trial of multiple online interventions designed to target modifiable risk factors for dementia in general and AD in particular. Risk factors to be addressed are physical inactivity, cognitive inactivity, depression/anxiety, overweight and obesity, and poor dietary habits. Up to four intervention modules (physical activity, nutrition, brain training, and peace of mind) will be administered based on individual risk profiles. All activities and assessments will be conducted on a computer with internet access via the Maintain Your Brain eHealth platform.
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