Comparison of visual and haptic feedback during training of lower extremities.
Identifieur interne : 003849 ( Main/Merge ); précédent : 003848; suivant : 003850Comparison of visual and haptic feedback during training of lower extremities.
Auteurs : T. Koritnik [Slovénie] ; A. Koenig ; T. Bajd ; R. Riener ; M. MunihSource :
- Gait & posture [ 1879-2219 ] ; 2010.
English descriptors
- KwdEn :
- Adult, Biomechanical Phenomena, Cues, Feedback, Psychological (physiology), Feedback, Sensory, Female, Gait (physiology), Humans, Lower Extremity (physiology), Male, Movement (physiology), Orthotic Devices, Psychomotor Performance (physiology), Rehabilitation (methods), User-Computer Interface, Young Adult.
- MESH :
- methods : Rehabilitation.
- physiology : Feedback, Psychological, Gait, Lower Extremity, Movement, Psychomotor Performance.
- Adult, Biomechanical Phenomena, Cues, Feedback, Sensory, Female, Humans, Male, Orthotic Devices, User-Computer Interface, Young Adult.
Abstract
We compared the effects of visual and haptic modalities on the adaptation capabilities of healthy subjects to the virtual environment. The visual cueing (only the reference motion is presented) and visual feedback (the reference motion as well as the current tracking deviation are presented) were provided by a real-time visualization of a virtual teacher and a virtual self - avatar, using optical measurements. The subjects had to track the virtual teacher during stepping-in-place movements. The haptic feedback was provided by the actuated gait orthosis Lokomat programmed with the same stepping movements employing an impedance control algorithm. Both setups included auditory cueing. The stepping task was performed by engaging different modalities separately as well as combined. The results showed that (1) visual feedback alone yielded better tracking of the virtual teacher than visual cueing alone, (2) haptic feedback alone yielded better tracking than any visual modality alone, (3) haptic feedback and visual feedback combined yielded better tracking than haptic feedback alone, and (4) haptic feedback combined with visual cueing did not improve tracking performance compared to haptic feedback alone. In general, we observed a better task performance with the haptic modality compared to visual modality.
DOI: 10.1016/j.gaitpost.2010.07.017
PubMed: 20727763
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pubmed:20727763Le document en format XML
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Koenig</name></author><author><name sortKey="Bajd, T" sort="Bajd, T" uniqKey="Bajd T" first="T" last="Bajd">T. Bajd</name></author><author><name sortKey="Riener, R" sort="Riener, R" uniqKey="Riener R" first="R" last="Riener">R. Riener</name></author><author><name sortKey="Munih, M" sort="Munih, M" uniqKey="Munih M" first="M" last="Munih">M. 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Koritnik</name><affiliation wicri:level="1"><nlm:affiliation>University of Ljubljana, Faculty of Electrical Engineering, Laboratory of Robotics and Biomedical Engineering, Trzaska 25, SI-1000 Ljubljana, Slovenia. tomazk@robo.fe.uni-lj.si</nlm:affiliation><country xml:lang="fr">Slovénie</country><wicri:regionArea>University of Ljubljana, Faculty of Electrical Engineering, Laboratory of Robotics and Biomedical Engineering, Trzaska 25, SI-1000 Ljubljana</wicri:regionArea><wicri:noRegion>SI-1000 Ljubljana</wicri:noRegion></affiliation></author><author><name sortKey="Koenig, A" sort="Koenig, A" uniqKey="Koenig A" first="A" last="Koenig">A. Koenig</name></author><author><name sortKey="Bajd, T" sort="Bajd, T" uniqKey="Bajd T" first="T" last="Bajd">T. Bajd</name></author><author><name sortKey="Riener, R" sort="Riener, R" uniqKey="Riener R" first="R" last="Riener">R. Riener</name></author><author><name sortKey="Munih, M" sort="Munih, M" uniqKey="Munih M" first="M" last="Munih">M. Munih</name></author></analytic><series><title level="j">Gait & posture</title><idno type="eISSN">1879-2219</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Biomechanical Phenomena</term><term>Cues</term><term>Feedback, Psychological (physiology)</term><term>Feedback, Sensory</term><term>Female</term><term>Gait (physiology)</term><term>Humans</term><term>Lower Extremity (physiology)</term><term>Male</term><term>Movement (physiology)</term><term>Orthotic Devices</term><term>Psychomotor Performance (physiology)</term><term>Rehabilitation (methods)</term><term>User-Computer Interface</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Rehabilitation</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Feedback, Psychological</term><term>Gait</term><term>Lower Extremity</term><term>Movement</term><term>Psychomotor Performance</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Biomechanical Phenomena</term><term>Cues</term><term>Feedback, Sensory</term><term>Female</term><term>Humans</term><term>Male</term><term>Orthotic Devices</term><term>User-Computer Interface</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We compared the effects of visual and haptic modalities on the adaptation capabilities of healthy subjects to the virtual environment. The visual cueing (only the reference motion is presented) and visual feedback (the reference motion as well as the current tracking deviation are presented) were provided by a real-time visualization of a virtual teacher and a virtual self - avatar, using optical measurements. The subjects had to track the virtual teacher during stepping-in-place movements. The haptic feedback was provided by the actuated gait orthosis Lokomat programmed with the same stepping movements employing an impedance control algorithm. Both setups included auditory cueing. The stepping task was performed by engaging different modalities separately as well as combined. The results showed that (1) visual feedback alone yielded better tracking of the virtual teacher than visual cueing alone, (2) haptic feedback alone yielded better tracking than any visual modality alone, (3) haptic feedback and visual feedback combined yielded better tracking than haptic feedback alone, and (4) haptic feedback combined with visual cueing did not improve tracking performance compared to haptic feedback alone. In general, we observed a better task performance with the haptic modality compared to visual modality.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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