Increasing perceived hand size improves motor performance in individuals with stroke: a home-based training study.

PeerJ
Elisabetta AmbronH Branch Coslett

Abstract

Increasing perceived hand size with magnifying lenses improves tactile discrimination and induces changes in action performance. We previously demonstrated that motor skills (tested with grip force, finger tapping, and a reach to grasp tasks) improved when actions were performed with magnified compared to normal vision; twenty-eight percent of 25 participants with stroke exhibited significant improvement on a composite measure of motor performance with magnification as compared to a session without magnification. To investigate the potential implications of magnification of vision for motor rehabilitation, we recruited individuals with stroke from the original cohort who exhibited an improvement of at least 10% in grip force and/or finger tapping for a home training protocol. Six individuals with stroke completed a two-week home-based training program in which they performed a range of activities while looking at their hand magnified. Motor skills were measured before, immediately after, and two weeks after the training. Five of the six participants showed an improvement on motor tasks when tested after the training. In two participants the improvement was evident immediately after the training and persisted in time, while it o...Continue Reading

References

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Apr 19, 2018·Journal of Cognitive Neuroscience·Elisabetta AmbronH Branch Coslett
Sep 3, 2018·Neuropsychologia·Elisabetta AmbronH Branch Coslett

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Citations

Jun 13, 2020·Scientific Reports·Elisabetta AmbronH Branch Coslett

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Clinical Trials Mentioned

NCT02898558

Software Mentioned

ARAT
Matlab
Prop

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