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External focus feedback for motor skill acquisition after stroke

Durham, Katherine Frances (2011)
Ph.D. thesis, University of Birmingham.

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Abstract

Feedback which induces an external focus of attention, about movement effects, has been found to promote motor performance in healthy subjects. It is unknown whether this effect transfers to retraining reach-to-grasp after stroke.

This thesis first explored the attentional focus of feedback used by therapists and adopted a mixed methods paradigm. Where feedback was used it predominantly induced an internal focus of attention, about body movements. The main experimental study compared feedback which induced either an internal or external focus of attention during the motor performance of reach to grasp after stroke. A counterbalanced design was used and reaching movements were recorded using motion analysis. Support was found for adopting an external focus of attention compared with an internal focus of attention, although an interaction between feedback type and order was also found. Finally, the influence of the level of arm and memory impairment on the feedback type was explored. Neither the level of arm or memory impairment was found to influence feedback type.

This study highlights the complexities of providing feedback after stroke and suggests that adopting an external focus of attention may be beneficial to improving motor performance after stroke.

Type of Work:Ph.D. thesis.
Supervisor(s):Van Vliet, Paulette
School/Faculty:Colleges (2008 onwards) > College of Medical & Dental Sciences
Department:School of Health and Population Sciences
Subjects:RA Public aspects of medicine
Institution:University of Birmingham
ID Code:3163
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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