Evaluation of the effects of adding vibrotactile feedback to myoelectric prosthesis users on performance and visual attention in a dual-task paradigm

Clinical Rehabilitation
Eitan RavehSigal Portnoy

Abstract

To evaluate the effects of adding vibrotactile feedback to myoelectric prosthesis users on the performance time and visual attention in a dual-task paradigm. A repeated-measures design with a counterbalanced order of two conditions. Laboratory setting. Transradial amputees using a myoelectric prosthesis with normal or corrected eyesight ( N = 12, median age = 65 ± 13 years). Exclusion criteria were orthopedic or neurologic problems. Subjects performed grasping tasks with their prosthesis, while controlling a virtual car on a road with their intact hand. The dual task was performed twice: with and without vibrotactile feedback. Performance time of each of the grasping tasks and gaze behavior, measured by the number of times the subjects shifted their gaze toward their hand, the relative time they applied their attention to the screen, and percentage of error in the secondary task. The mean performance time was significantly shorter ( P = 0.024) when using vibrotactile feedback (93.2 ± 9.6 seconds) compared with the performance time measured when vibrotactile feedback was not available (107.8 ± 20.3 seconds). No significant differences were found between the two conditions in the number of times the gaze shifted from the screen t...Continue Reading

References

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Citations

Jun 13, 2019·Journal of Neuroengineering and Rehabilitation·Neha ThomasJeremy D Brown
May 26, 2020·Somatosensory & Motor Research·İpek Karakuş, Burak Güçlü
Apr 23, 2020·Frontiers in Bioengineering and Biotechnology·Giacomo ValleSilvestro Micera

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Methods Mentioned

BETA
amputation

Clinical Trials Mentioned

NCT02749643

Software Mentioned

SPSS
LabView
Power and Sample Size Calculation

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