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Sleep, Plasticity And Neurodegeneration: Targeting Sleep To Improve Cognition In Mild Cognitive Impairment (MCI)
Funder
National Health and Medical Research Council
Funding Amount
$525,116.00
Summary
Older individuals with mild cognitive impairment commonly experience disturbed sleep and about 50% will convert to dementia. It is unclear whether sleep disturbance mediates cognitive decline and progression to dementia. Optimising sleep presents a novel strategy to slow disease progression. This new research program explores links between sleep and dementia to identify new biomarkers of disease progression and new targeted therapeutic approaches to improve quality of life for older Australians.
Obesity Hypoventilation Syndrome And Neurocognitive Dysfunction
Funder
National Health and Medical Research Council
Funding Amount
$124,608.00
Summary
In this study, we will assess neurocognitive function in patients with obesity hypoventilation syndrome (OHS – too slow or too shallow breathing) using a battery of tests including driving simulation, before and after 3 months of positive airway pressure therapy (CPAP). This will assess if chronically raised carbon dioxide levels contribute to impaired thinking capacity in addition to low oxygen levels.
Fatigue, Attention And Sleep Disturbance After Traumatic Brain Injury
Funder
National Health and Medical Research Council
Funding Amount
$328,050.00
Summary
Traumatic brain injury (TBI) is a major cause of disability in young people. A major obstacle to the rehabilitation of these young people and their return to work or study is their susceptibility to fatigue post-injury. Sleep disturbance is also often reported following TBI and this may accentuate fatigue. Suprisingly, little research has been conducted on the nature, causes or progression of fatigue and sleep disorders following TBI and their possible interrelationships. This study aims to inve ....Traumatic brain injury (TBI) is a major cause of disability in young people. A major obstacle to the rehabilitation of these young people and their return to work or study is their susceptibility to fatigue post-injury. Sleep disturbance is also often reported following TBI and this may accentuate fatigue. Suprisingly, little research has been conducted on the nature, causes or progression of fatigue and sleep disorders following TBI and their possible interrelationships. This study aims to investigate the incidence and extent of fatigue in a large group of people who have experienced a TBI compared to a control group, how fatigue changes over time and its impact on daily life. The study will also address whether higher fatigue levels are associated with decreased attention and speed of information processing. Changes in sleep patterns will also be investigated using both subjective measures, such as sleep quality and daytime sleepiness, and objective physiological measures, such as the time of dim light melatonin onset and polysomnography, comparing the head injured group with controls. The interrelationships between fatigue and sleep changes will then be examined and also their association with injury severity, the location of the brain injury, the time since the injury, age, the presence of any cognitive impairments and the incidence of depression. The project has the potential to provide valuable information to healthcare professionals on the diagnosis of fatigue and sleep disorders in head injury patients. The investigation of the nature, causes and impact of fatigue and sleep disorders could also provide a basis for therapy. For example, fatigue and problems with attention and slowed information processing can be minimized by restructuring lifestyle demands and simple and effective treatments are available for many sleep disturbances, such as bright light therapy and-or exogenous melatonin.Read moreRead less