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Insight And Cognitive Decline In Older Adults With Mild Cognitive Impairment
Funder
National Health and Medical Research Council
Funding Amount
$399,600.00
Summary
Australia's population is aging rapidly and so is the frequency of age-related disorders. Dementia is one of the most frequent mental health disorders and one of the leading causes of years of life lost due to disability in Australia. Therefore it is important to be able to identify older adults at high risk of developing dementia in order to be able to introduce preventative strategies. One important risk factor for cognitive decline is the presence of mild cognitive impairment (MCI) in older a ....Australia's population is aging rapidly and so is the frequency of age-related disorders. Dementia is one of the most frequent mental health disorders and one of the leading causes of years of life lost due to disability in Australia. Therefore it is important to be able to identify older adults at high risk of developing dementia in order to be able to introduce preventative strategies. One important risk factor for cognitive decline is the presence of mild cognitive impairment (MCI) in older adults who complain about memory problems. However many subjects with MCI do not develop dementia and it remains a challenge to identify those with pre-dementia amongst those with MCI. The purpose of this study is to investigate whether reduced awareness of cognitive impairment is a better predictor of cognitive decline and dementia than having memory complaints . To investigate the association of reduced awareness and cognitive decline, 80 participants with MCI and 80 healthy controls will be followed over a period of 24 months. Awareness will be measured and compared to information on cognitive and functional impairment given by the participant and an informant. Additionally, information from neuroimaging and laboratory studies will be collected to determine it's interaction with reduced awareness.Read moreRead less
Does Vitamin D Supplementation Reduce Cognitive Decline?
Funder
National Health and Medical Research Council
Funding Amount
$646,601.00
Summary
Australia's population is ageing rapidly and so is the frequency of age-related disorders. Dementia is one of the most frequent mental health disorders of older people and one of the leading causes of years of life lost due to disability in Australia. Mild Cognitive Impairment (MCI) in old age is considered an important clinical state predictive of future cognitive decline. There is increasing evidence that the onset of dementia can be delayed with targeting potentially modifiable risk factors. ....Australia's population is ageing rapidly and so is the frequency of age-related disorders. Dementia is one of the most frequent mental health disorders of older people and one of the leading causes of years of life lost due to disability in Australia. Mild Cognitive Impairment (MCI) in old age is considered an important clinical state predictive of future cognitive decline. There is increasing evidence that the onset of dementia can be delayed with targeting potentially modifiable risk factors. Vitamin D is important for healthy bones and muscle function, but is now also discussed as being important for healthy brain function. The purpose of this randomised placebo-controlled clinical trial is to investigate whether supplementation with vitamin D for 18 months in older adults with MCI who have low vitamin D levels, can help to reduce cognitive decline. 110 older adults with MCI will be randomised (by chance, like the flip of a coin) to either active treatment or placebo. Their cognition (such as memory) performance, quality of life and functional level will be compared at 6, 12, and 18 months. If our hypothesis is confirmed, vitamin D supplementation might prove to be a simple, effective and inexpensive way of delaying cognitive decline in people at risk for dementia. This could lead to the reconsideration of current sun exposure policies in Australia and the more widespread use of food fortification and supplementation.Read moreRead less
A Randomised Clinical Trial Of Physical Activity For The Treatment Of Older Adults With Mild Cognitive Impairment
Funder
National Health and Medical Research Council
Funding Amount
$280,250.00
Summary
Australia's population is aging rapidly and so is the frequency of age-related diseases. Dementia and depression are the most frequent mental health disorders of older people. They are also the leading causes of years of life lost due to disability in Australia. The results of recent studies have shown that memory difficulties and dementia are associated with potentially modifiable risk factors, such as physical activity. The purpose of this study is to investigate whether a physical activity pr ....Australia's population is aging rapidly and so is the frequency of age-related diseases. Dementia and depression are the most frequent mental health disorders of older people. They are also the leading causes of years of life lost due to disability in Australia. The results of recent studies have shown that memory difficulties and dementia are associated with potentially modifiable risk factors, such as physical activity. The purpose of this study is to investigate whether a physical activity program for older adults decreases cognitive decline and conversion to dementia in a population at risk: mild cognitive impairment (MCI). 168 subjects with MCI will be randomised (by chance, like the flip of a coin) to either the intervention program of physical activity or usual care - their cognitive (such as memory) performance will be compared at the end of 24 months.Read moreRead less
Vascular Contributions To Dementia (VCD-CRE) - A Transformative Approach To Reducing The Burden Of Cognitive Disorders
Funder
National Health and Medical Research Council
Funding Amount
$3,000,000.00
Summary
The total contribution of vascular pathology to dementia is estimated to be as high as 50-70%. The Vascular Contributions to Dementia CRE brings together leading researchers in cerebrovascular disease and dementia to address the most important issues relating to the epidemiology of Vascular Dementia, its robust biomarkers and its treatment and prevention, so as to reduce its overall health burden, and meet the promise of vascular dementia as a truly 'preventable dementia''.
Cognition-oriented Treatments For Older Adults On The Spectrum From Cognitive Health To Dementia: Improving Methodologies And Outcomes
Funder
National Health and Medical Research Council
Funding Amount
$716,620.00
Summary
Older adults, with and without memory problems, frequently seek ‘brain stimulating’ activities to reduce their dementia risk. Many such activities are available, but the evidence behind them is not clear and more research is needed to improve our understanding of these treatments. The proposed research programme aims to support older adults interested in these types of activities in their efforts to remain cognitively healthy and functionally independent irrespective of age and clinical status
An Investigation Into The Neural Substrates Of Cognitive Deficits In Mild Cognitive Impairment, And The Mechanisms Of Action Of A Novel Treatment
Funder
National Health and Medical Research Council
Funding Amount
$574,644.00
Summary
Furthering our understanding of the brain mechanisms that underlie the deficits in memory, executive function, and language that occur with Mild Cognitive Impairment is vital for conceptualising the underlying disease processes, and for the development of targeted treatments. Hence, this project will conduct a comprehensive assessment of the brain’s electrical and metabolic responses during specialised cognitive tasks, whilst simultaneously investigating a possible treatment.
Optimising Exercise Prescription For Brain Health In Older Adults At Risk Of Dementia
Funder
National Health and Medical Research Council
Funding Amount
$594,123.00
Summary
To reduce dementia burdens in the community, cost effective and targeted early regenerative strategies are critical. Engaging in frequent aerobic exercise is one strategy that can delay the onset and slow the progression of dementia. However, prescription is limited by an incomplete understanding of how exercise positively influences brain health. Here I will investigate the influence of current exercise levels, intensity and exercise environment on brain health in adults at risk of dementia.
Cross-comparison, Validation And Performance Of Computerised Neuropsychological Assessment Devices In The Evaluation Of Mild Cognitive Impairment And Dementia
Funder
National Health and Medical Research Council
Funding Amount
$700,482.00
Summary
With an ageing population and associated increase in dementia there will be increased demand for neuropsychological assessment, with insufficient trained personnel and resources to meet this demand. Computerised tests offer excellent opportunities for large scale implementation of cognitive screening and monitoring of older adults. This is the first study to systematically evaluate and compare several popular computerised neuropsychological assessment devices in elders with and without dementia.
Cognitive Outcome And Therapeutic Interventions For Coronary Artery Disease.
Funder
National Health and Medical Research Council
Funding Amount
$392,104.00
Summary
Dementia is recognized as an increasingly important factor affecting quality of life as people age. Deaths from heart disease are declining, in part due to improved surgical techniques and to the use of less invasive methods to keep arteries open such as coronary stenting. It is now well known that 20 to 60% of patients experience some degree of impairment in thinking ability (cognitive impairment) after cardiac surgery, that this will persist in some of these individuals for years and may incre ....Dementia is recognized as an increasingly important factor affecting quality of life as people age. Deaths from heart disease are declining, in part due to improved surgical techniques and to the use of less invasive methods to keep arteries open such as coronary stenting. It is now well known that 20 to 60% of patients experience some degree of impairment in thinking ability (cognitive impairment) after cardiac surgery, that this will persist in some of these individuals for years and may increase the risk of long-term problems. Cognitive impairment affects people in many ways. While it is not yet known whether the occurrence of cognitive impairment predisposes to dementia, it is thought that Mild Cognitive Impairment (MCI) may do so. We propose to explore the link between MCI and Post Procedural Cognitive Deficit (PPCD) in patients with coronary disease from before the first point of objective diagnosis, i.e. prior to the coronary angiogram, and over a 12-month period, through and subsequent to further treatment interventions such as stenting or cardiac surgery. Our Pilot data suggest that PPCD does indeed occur after angiography, and we propose to identify how long this lasts, whether MCI predisposes to it and whether it is better to wait until it resolves before further interventions are undertaken. In this way we hope to identify the safest treatment strategy for patients with coronary disease that will minimize the occurrence of Cognitive Deficit and possibly longer-term cognitive changes after investigation and treatment for their symptoms.Read moreRead less
Vascular Contributions To Dementia: Prevention In Those At High-risk
Funder
National Health and Medical Research Council
Funding Amount
$718,105.00
Summary
10,000 older adults undergo surgeries on their heart every year. These adults are at high risk for dementia, as the factors that bring them to cardiovascular surgery are the same as those that associate with dementia: hypertension, type II diabetes, etc. This population is in fact not only at increased risk of dementia due to vascular ill-health, but also because of undergoing the surgery itself. This project aims to prevent dementia in this vulnerable group.