Unimanual and bimanual weight perception of virtual objects with a new multi-finger haptic interface.
Identifieur interne : 001A54 ( Ncbi/Checkpoint ); précédent : 001A53; suivant : 001A55Unimanual and bimanual weight perception of virtual objects with a new multi-finger haptic interface.
Auteurs : Christos D. Giachritsis [Royaume-Uni] ; Manuel Ferre ; Jordi Barrio ; Alan M. WingSource :
- Brain research bulletin [ 1873-2747 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- instrumentation : Robotics.
- methods : Robotics.
- physiology : Psychomotor Performance, Weight Perception.
- Adult, Fingers, Functional Laterality, Hand, Humans, Software, User-Computer Interface.
Abstract
Accurate weight perception is important particularly in tasks where the user has to apply vertical forces to ensure safe landing of a fragile object or precise penetration of a surface with a probe. Moreover, depending on physical properties of objects such as weight and size we may switch between unimanual and bimanual manipulation during a task. Research has shown that bimanual manipulation of real objects results in a misperception of their weight: they tend to feel lighter than similarly heavy objects which are handled with one hand only [8]. Effective simulation of bimanual manipulation with desktop haptic interfaces should be able to replicate this effect of bimanual manipulation on weight perception. Here, we present the MasterFinger-2, a new multi-finger haptic interface allowing bimanual manipulation of virtual objects with precision grip and we conduct weight discrimination experiments to evaluate its capacity to simulate unimanual and bimanual weight. We found that the bimanual 'lighter' bias is also observed with the MasterFinger-2 but the sensitivity to changes of virtual weights deteriorated.
DOI: 10.1016/j.brainresbull.2011.03.017
PubMed: 21600271
Affiliations:
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Wing</name></author></analytic><series><title level="j">Brain research bulletin</title><idno type="eISSN">1873-2747</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Fingers</term><term>Functional Laterality</term><term>Hand</term><term>Humans</term><term>Psychomotor Performance (physiology)</term><term>Robotics (instrumentation)</term><term>Robotics (methods)</term><term>Software</term><term>User-Computer Interface</term><term>Weight Perception (physiology)</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Robotics</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Robotics</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Psychomotor Performance</term><term>Weight Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Fingers</term><term>Functional Laterality</term><term>Hand</term><term>Humans</term><term>Software</term><term>User-Computer Interface</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Accurate weight perception is important particularly in tasks where the user has to apply vertical forces to ensure safe landing of a fragile object or precise penetration of a surface with a probe. Moreover, depending on physical properties of objects such as weight and size we may switch between unimanual and bimanual manipulation during a task. Research has shown that bimanual manipulation of real objects results in a misperception of their weight: they tend to feel lighter than similarly heavy objects which are handled with one hand only [8]. Effective simulation of bimanual manipulation with desktop haptic interfaces should be able to replicate this effect of bimanual manipulation on weight perception. Here, we present the MasterFinger-2, a new multi-finger haptic interface allowing bimanual manipulation of virtual objects with precision grip and we conduct weight discrimination experiments to evaluate its capacity to simulate unimanual and bimanual weight. We found that the bimanual 'lighter' bias is also observed with the MasterFinger-2 but the sensitivity to changes of virtual weights deteriorated.</div></front></TEI><affiliations><list><country><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Midlands de l'Ouest</li></region><settlement><li>Birmingham</li></settlement><orgName><li>Université de Birmingham</li></orgName></list><tree><noCountry><name sortKey="Barrio, Jordi" sort="Barrio, Jordi" uniqKey="Barrio J" first="Jordi" last="Barrio">Jordi Barrio</name><name sortKey="Ferre, Manuel" sort="Ferre, Manuel" uniqKey="Ferre M" first="Manuel" last="Ferre">Manuel Ferre</name><name sortKey="Wing, Alan M" sort="Wing, Alan M" uniqKey="Wing A" first="Alan M" last="Wing">Alan M. Wing</name></noCountry><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Giachritsis, Christos D" sort="Giachritsis, Christos D" uniqKey="Giachritsis C" first="Christos D" last="Giachritsis">Christos D. 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