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This article and any supplementary material should be cited as follows: Mahajan HP, Spaeth DM, Dicianno BE, Brown K, Cooper RA. Preliminary evaluation.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Mahajan HP, Spaeth DM, Dicianno BE, Brown K, Cooper RA. Preliminary evaluation."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Mahajan HP, Spaeth DM, Dicianno BE, Brown K, Cooper RA. Preliminary evaluation of a variable compliance joystick for people with multiple sclerosis. J Rehabil Res Dev. 2014;51(6):XX–XX. http://dx.doi.org/10.1682/JRRD.2013.01.0023 Slideshow Project DOI:10.1682/JRRD.2013.01.0023JSP Preliminary evaluation of a variable compliance joystick for people with multiple sclerosis Harshal P. Mahajan, PhD; Donald M. Spaeth, PhD; Brad E. Dicianno, MD; Karl Brown, MS; Rory A. Cooper, PhD

2 This article and any supplementary material should be cited as follows: Mahajan HP, Spaeth DM, Dicianno BE, Brown K, Cooper RA. Preliminary evaluation of a variable compliance joystick for people with multiple sclerosis. J Rehabil Res Dev. 2014;51(6):XX–XX. http://dx.doi.org/10.1682/JRRD.2013.01.0023 Slideshow Project DOI:10.1682/JRRD.2013.01.0023JSP Aim – Evaluate whether participants with multiple sclerosis (MS) can drive electrical powered wheelchairs better with a variable compliance joystick (VCJ) and customizable algorithms or with a conventional wheelchair joystick. Relevance – Upper-limb fatigue may restrict people with MS from using their electrical powered wheelchair effectively and for long periods.

3 This article and any supplementary material should be cited as follows: Mahajan HP, Spaeth DM, Dicianno BE, Brown K, Cooper RA. Preliminary evaluation of a variable compliance joystick for people with multiple sclerosis. J Rehabil Res Dev. 2014;51(6):XX–XX. http://dx.doi.org/10.1682/JRRD.2013.01.0023 Slideshow Project DOI:10.1682/JRRD.2013.01.0023JSP Method 11 participants were randomly assigned to 2 groups. To complete virtual wheelchair driving tasks, each group used either VCJ in compliant or noncompliant isometric mode and a: – Standard algorithm. – Personally fitted algorithm. – Personally fitted algorithm with fatigue adaptation running in background.

4 This article and any supplementary material should be cited as follows: Mahajan HP, Spaeth DM, Dicianno BE, Brown K, Cooper RA. Preliminary evaluation of a variable compliance joystick for people with multiple sclerosis. J Rehabil Res Dev. 2014;51(6):XX–XX. http://dx.doi.org/10.1682/JRRD.2013.01.0023 Slideshow Project DOI:10.1682/JRRD.2013.01.0023JSP Results Participants with MS showed better driving performance metrics while using customized algorithms than while using standard algorithm with VCJ.

5 This article and any supplementary material should be cited as follows: Mahajan HP, Spaeth DM, Dicianno BE, Brown K, Cooper RA. Preliminary evaluation of a variable compliance joystick for people with multiple sclerosis. J Rehabil Res Dev. 2014;51(6):XX–XX. http://dx.doi.org/10.1682/JRRD.2013.01.0023 Slideshow Project DOI:10.1682/JRRD.2013.01.0023JSP Conclusion Fatigue adaptation algorithms are especially beneficial in improving overall task performance while using VCJ in isometric mode. VCJ, along with personally fitted algorithms and fatigue adaptation algorithms, is a potentially effective input interface for wheelchairs.

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