The effect of haptic degrees of freedom on task performance in virtual surgical environments.
Identifieur interne : 001803 ( Main/Merge ); précédent : 001802; suivant : 001804The effect of haptic degrees of freedom on task performance in virtual surgical environments.
Auteurs : Jonas Forsslund [États-Unis] ; Sonny Chan ; Joshua Selesnick ; Kenneth Salisbury ; Rebeka G. Silva ; Nikolas H. BlevinsSource :
- Studies in health technology and informatics [ 0926-9630 ] ; 2013.
English descriptors
- KwdEn :
- MESH :
- methods : Biofeedback, Psychology, Physical Stimulation, Surgery, Computer-Assisted.
- physiology : Biofeedback, Psychology, Movement, Psychomotor Performance, Touch.
- Female, Humans, Male, User-Computer Interface, Young Adult.
Abstract
Force and touch feedback, or haptics, can play a significant role in the realism of virtual reality surgical simulation. While it is accepted that simulators providing haptic feedback often outperform those that do not, little is known about the degree of haptic fidelity required to achieve simulation objectives. This article evaluates the effect that employing haptic rendering with different degrees of freedom (DOF) has on task performance in a virtual environment. Results show that 6-DOF haptic rendering significantly improves task performance over 3-DOF haptic rendering, even if computed torques are not displayed to the user. No significant difference could be observed between under-actuated (force only) and fully-actuated 6-DOF feedback in two surgically-motivated tasks.
PubMed: 23400144
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pubmed:23400144Le document en format XML
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<author><name sortKey="Selesnick, Joshua" sort="Selesnick, Joshua" uniqKey="Selesnick J" first="Joshua" last="Selesnick">Joshua Selesnick</name>
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<author><name sortKey="Silva, Rebeka G" sort="Silva, Rebeka G" uniqKey="Silva R" first="Rebeka G" last="Silva">Rebeka G. Silva</name>
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<term>Surgery, Computer-Assisted (methods)</term>
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<term>Young Adult</term>
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<term>Movement</term>
<term>Psychomotor Performance</term>
<term>Touch</term>
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<keywords scheme="MESH" xml:lang="en"><term>Female</term>
<term>Humans</term>
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<front><div type="abstract" xml:lang="en">Force and touch feedback, or haptics, can play a significant role in the realism of virtual reality surgical simulation. While it is accepted that simulators providing haptic feedback often outperform those that do not, little is known about the degree of haptic fidelity required to achieve simulation objectives. This article evaluates the effect that employing haptic rendering with different degrees of freedom (DOF) has on task performance in a virtual environment. Results show that 6-DOF haptic rendering significantly improves task performance over 3-DOF haptic rendering, even if computed torques are not displayed to the user. No significant difference could be observed between under-actuated (force only) and fully-actuated 6-DOF feedback in two surgically-motivated tasks.</div>
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