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Neurophysiological Basis For Sensorimotor Interventions In Rehabilitation After Stroke
Funder
National Health and Medical Research Council
Funding Amount
$332,036.00
Summary
Stroke is estimated to cost the Australian government almost $2 billion annually, and is the most common cause of death after heart disease and cancer and one of the largest single causes of long-term disability. Of people who survive a stroke, a large number have some degree of residual motor dysfunction on one side of the body. Motor rehabilitation programmes are generally considered to enhance the recovery of motor function and to reduce the degree of long-term disability. However the rationa ....Stroke is estimated to cost the Australian government almost $2 billion annually, and is the most common cause of death after heart disease and cancer and one of the largest single causes of long-term disability. Of people who survive a stroke, a large number have some degree of residual motor dysfunction on one side of the body. Motor rehabilitation programmes are generally considered to enhance the recovery of motor function and to reduce the degree of long-term disability. However the rationale for the design of effective rehabilitation programmes is largely empirical, and there is uncertainty regarding the efficacy and cost-effectiveness of currently used therapies. The empirical nature of stroke rehabilitation has resulted in a diversity of techniques, many of which were pioneered 30-40 years ago, and which are generally aimed at enhancing brain plasticity as a means to facilitate motor recovery. However, despite the belief that brain plasticity is a key to recovery, it is still not known how best to develop this potential for reorganisation into practical interventions that could be introduced in stroke rehabilitation. The aim of the present study is to investigate the physiological bases for the action of commonly used sensorimotor rehabilitation strategies and identify those strategies which are most effective in bringing about corticomotor reorganisation, in the belief that such reorganisation is fundamental to motor recovery. Specifically we will investigate the changes in the organisation of the cortical projection to muscles of the upper limb as a result of passive movement, resisted and non-resisted movement, increased functional motor use and visuomotor training programmes. It is anticipated that the study will lead to a better understanding of the physiological basis for therapeutic interventions after stroke and will allow a more rational approach to the design of effective rehabilitation programmes for stroke patients.Read moreRead less