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This article and any supplementary material should be cited as follows: Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction. J Rehabil Res Dev. 2012;49(10):XX–XX. http://dx.doi.org/10.1682/JRRD.2011.12.0243 Slideshow Project DOI:10.1682/JRRD.2011.12.0243JSP Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction Heidi J. B. Witteveen, MSc; Leonie de Rond, BSc; Johan S. Rietman, PhD, MD; Peter H. Veltink, PhD

2 This article and any supplementary material should be cited as follows: Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction. J Rehabil Res Dev. 2012;49(10):XX–XX. http://dx.doi.org/10.1682/JRRD.2011.12.0243 Slideshow Project DOI:10.1682/JRRD.2011.12.0243JSP Aim – Investigate hand-opening feedback during performance of virtual grasping tasks and distractive tasks. Relevance – Sensory feedback and the required attentional demands are important aspects in prosthesis acceptance.

3 This article and any supplementary material should be cited as follows: Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction. J Rehabil Res Dev. 2012;49(10):XX–XX. http://dx.doi.org/10.1682/JRRD.2011.12.0243 Slideshow Project DOI:10.1682/JRRD.2011.12.0243JSP Method 10 nondisabled subjects performed virtual grasping tasks: – With and without feedback about hand opening (8 vibrotactile stimulators on forearm). – During 3 levels of distraction: none, counting task, count and subtract task. Experimental setup. Eight coin motors placed in array on forearm.

4 This article and any supplementary material should be cited as follows: Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction. J Rehabil Res Dev. 2012;49(10):XX–XX. http://dx.doi.org/10.1682/JRRD.2011.12.0243 Slideshow Project DOI:10.1682/JRRD.2011.12.0243JSP Results Addition of vibrotactile feedback: – Increased performance. – But also increased duration of tasks. Only highest level of distraction (count and subtract task) influenced grasping task performance.

5 This article and any supplementary material should be cited as follows: Witteveen HJ, de Rond L, Rietman JS, Veltink PH. Hand-opening feedback for myoelectric forearm prostheses: Performance in virtual grasping tasks influenced by different levels of distraction. J Rehabil Res Dev. 2012;49(10):XX–XX. http://dx.doi.org/10.1682/JRRD.2011.12.0243 Slideshow Project DOI:10.1682/JRRD.2011.12.0243JSP Conclusion Proposed method to provide hand-opening feedback through array of 8 vibrotactile stimulators was successful. – Performance in grasping task increases and is not significantly attention demanding.

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