How soft is that pillow? The perceptual localization of the hand and the haptic assessment of contact rigidity
Identifieur interne : 001A11 ( Ncbi/Merge ); précédent : 001A10; suivant : 001A12How soft is that pillow? The perceptual localization of the hand and the haptic assessment of contact rigidity
Auteurs : Assaf Pressman ; Amir Karniel ; Ferdinando A. Mussa-IvaldiSource :
- The Journal of neuroscience : the official journal of the Society for Neuroscience [ 0270-6474 ] ; 2011.
English descriptors
- KwdEn :
- Adult, Attention (physiology), Computer Simulation, Female, Hand (physiology), Humans, Illusions (physiology), Logistic Models, Male, Models, Psychological, Muscle Rigidity (physiopathology), Predictive Value of Tests, Probability, Psychometrics, Psychomotor Performance (physiology), Space Perception (physiology), Touch, Young Adult.
- MESH :
- physiology : Attention, Hand, Illusions, Psychomotor Performance, Space Perception.
- physiopathology : Muscle Rigidity.
- Adult, Computer Simulation, Female, Humans, Logistic Models, Male, Models, Psychological, Predictive Value of Tests, Probability, Psychometrics, Touch, Young Adult.
Abstract
A new haptic illusion is described, in which the location of the mobile object affects the perception of its rigidity. There is theoretical and experimental support to the notion that limb position sense results from the brain combining ongoing sensory information with expectations arising from prior experience. How does this probabilistic state information affect one’s tactile perception of the environment mechanics? In a simple estimation process human subjects were asked to report the relative rigidity of two simulated virtual objects. One of the objects remained fixed in space and had various coefficients of stiffness. The other virtual object had constant stiffness but moved with respect to the subjects. Earlier work suggested that the perception of an object’s rigidity is consistent with a process of regression between the contact force and the perceived amount of penetration inside the object’s boundary. The amount of penetration perceived by the subject was affected by varying the position of the object. This, in turn, had a predictable effect on the perceived rigidity of the contact. Subjects’ reports on the relative rigidity of the object are best accounted for by a probabilistic model in which the perceived boundary of the object is estimated based on its current location and on its past observations. Therefore, the perception of contact rigidity is accounted for by a stochastic process of state estimation underlying proprioceptive localization of the hand.
Url:
DOI: 10.1523/JNEUROSCI.4656-10.2011
PubMed: 21525300
PubMed Central: 3108063
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PMC:3108063Le document en format XML
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Mussa-Ivaldi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21525300</idno><idno type="pmc">3108063</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3108063</idno><idno type="RBID">PMC:3108063</idno><idno type="doi">10.1523/JNEUROSCI.4656-10.2011</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">001183</idno><idno type="wicri:Area/Pmc/Curation">001183</idno><idno type="wicri:Area/Pmc/Checkpoint">001B19</idno><idno type="wicri:source">PubMed</idno><idno type="wicri:Area/PubMed/Corpus">000E82</idno><idno type="wicri:Area/PubMed/Curation">000E82</idno><idno type="wicri:Area/PubMed/Checkpoint">000D36</idno><idno type="wicri:Area/Ncbi/Merge">001A11</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">How soft is that pillow? The perceptual localization of the hand and the haptic assessment of contact rigidity</title><author><name sortKey="Pressman, Assaf" sort="Pressman, Assaf" uniqKey="Pressman A" first="Assaf" last="Pressman">Assaf Pressman</name></author><author><name sortKey="Karniel, Amir" sort="Karniel, Amir" uniqKey="Karniel A" first="Amir" last="Karniel">Amir Karniel</name></author><author><name sortKey="Mussa Ivaldi, Ferdinando A" sort="Mussa Ivaldi, Ferdinando A" uniqKey="Mussa Ivaldi F" first="Ferdinando A." last="Mussa-Ivaldi">Ferdinando A. Mussa-Ivaldi</name></author></analytic><series><title level="j">The Journal of neuroscience : the official journal of the Society for Neuroscience</title><idno type="ISSN">0270-6474</idno><idno type="eISSN">1529-2401</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Attention (physiology)</term><term>Computer Simulation</term><term>Female</term><term>Hand (physiology)</term><term>Humans</term><term>Illusions (physiology)</term><term>Logistic Models</term><term>Male</term><term>Models, Psychological</term><term>Muscle Rigidity (physiopathology)</term><term>Predictive Value of Tests</term><term>Probability</term><term>Psychometrics</term><term>Psychomotor Performance (physiology)</term><term>Space Perception (physiology)</term><term>Touch</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Attention</term><term>Hand</term><term>Illusions</term><term>Psychomotor Performance</term><term>Space Perception</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Muscle Rigidity</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Computer Simulation</term><term>Female</term><term>Humans</term><term>Logistic Models</term><term>Male</term><term>Models, Psychological</term><term>Predictive Value of Tests</term><term>Probability</term><term>Psychometrics</term><term>Touch</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">A new haptic illusion is described, in which the location of the mobile object affects the perception of its rigidity. There is theoretical and experimental support to the notion that limb position sense results from the brain combining ongoing sensory information with expectations arising from prior experience. How does this probabilistic state information affect one’s tactile perception of the environment mechanics? In a simple estimation process human subjects were asked to report the relative rigidity of two simulated virtual objects. One of the objects remained fixed in space and had various coefficients of stiffness. The other virtual object had constant stiffness but moved with respect to the subjects. Earlier work suggested that the perception of an object’s rigidity is consistent with a process of regression between the contact force and the perceived amount of penetration inside the object’s boundary. The amount of penetration perceived by the subject was affected by varying the position of the object. This, in turn, had a predictable effect on the perceived rigidity of the contact. Subjects’ reports on the relative rigidity of the object are best accounted for by a probabilistic model in which the perceived boundary of the object is estimated based on its current location and on its past observations. Therefore, the perception of contact rigidity is accounted for by a stochastic process of state estimation underlying proprioceptive localization of the hand.</p></div></front></TEI><double pmid="21525300"><pmc><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">How soft is that pillow? The perceptual localization of the hand and the haptic assessment of contact rigidity</title><author><name sortKey="Pressman, Assaf" sort="Pressman, Assaf" uniqKey="Pressman A" first="Assaf" last="Pressman">Assaf Pressman</name></author><author><name sortKey="Karniel, Amir" sort="Karniel, Amir" uniqKey="Karniel A" first="Amir" last="Karniel">Amir Karniel</name></author><author><name sortKey="Mussa Ivaldi, Ferdinando A" sort="Mussa Ivaldi, Ferdinando A" uniqKey="Mussa Ivaldi F" first="Ferdinando A." last="Mussa-Ivaldi">Ferdinando A. Mussa-Ivaldi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21525300</idno><idno type="pmc">3108063</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3108063</idno><idno type="RBID">PMC:3108063</idno><idno type="doi">10.1523/JNEUROSCI.4656-10.2011</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">001183</idno><idno type="wicri:Area/Pmc/Curation">001183</idno><idno type="wicri:Area/Pmc/Checkpoint">001B19</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">How soft is that pillow? The perceptual localization of the hand and the haptic assessment of contact rigidity</title><author><name sortKey="Pressman, Assaf" sort="Pressman, Assaf" uniqKey="Pressman A" first="Assaf" last="Pressman">Assaf Pressman</name></author><author><name sortKey="Karniel, Amir" sort="Karniel, Amir" uniqKey="Karniel A" first="Amir" last="Karniel">Amir Karniel</name></author><author><name sortKey="Mussa Ivaldi, Ferdinando A" sort="Mussa Ivaldi, Ferdinando A" uniqKey="Mussa Ivaldi F" first="Ferdinando A." last="Mussa-Ivaldi">Ferdinando A. Mussa-Ivaldi</name></author></analytic><series><title level="j">The Journal of neuroscience : the official journal of the Society for Neuroscience</title><idno type="ISSN">0270-6474</idno><idno type="eISSN">1529-2401</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">A new haptic illusion is described, in which the location of the mobile object affects the perception of its rigidity. There is theoretical and experimental support to the notion that limb position sense results from the brain combining ongoing sensory information with expectations arising from prior experience. How does this probabilistic state information affect one’s tactile perception of the environment mechanics? In a simple estimation process human subjects were asked to report the relative rigidity of two simulated virtual objects. One of the objects remained fixed in space and had various coefficients of stiffness. The other virtual object had constant stiffness but moved with respect to the subjects. Earlier work suggested that the perception of an object’s rigidity is consistent with a process of regression between the contact force and the perceived amount of penetration inside the object’s boundary. The amount of penetration perceived by the subject was affected by varying the position of the object. This, in turn, had a predictable effect on the perceived rigidity of the contact. Subjects’ reports on the relative rigidity of the object are best accounted for by a probabilistic model in which the perceived boundary of the object is estimated based on its current location and on its past observations. Therefore, the perception of contact rigidity is accounted for by a stochastic process of state estimation underlying proprioceptive localization of the hand.</p></div></front></TEI></pmc><pubmed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">How soft is that pillow? The perceptual localization of the hand and the haptic assessment of contact rigidity.</title><author><name sortKey="Pressman, Assaf" sort="Pressman, Assaf" uniqKey="Pressman A" first="Assaf" last="Pressman">Assaf Pressman</name><affiliation wicri:level="1"><nlm:affiliation>Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611, USA. pressman@bgu.ac.il</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611</wicri:regionArea><wicri:noRegion>Illinois 60611</wicri:noRegion></affiliation></author><author><name sortKey="Karniel, Amir" sort="Karniel, Amir" uniqKey="Karniel A" first="Amir" last="Karniel">Amir Karniel</name></author><author><name sortKey="Mussa Ivaldi, Ferdinando A" sort="Mussa Ivaldi, Ferdinando A" uniqKey="Mussa Ivaldi F" first="Ferdinando A" last="Mussa-Ivaldi">Ferdinando A. Mussa-Ivaldi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="doi">10.1523/JNEUROSCI.4656-10.2011</idno><idno type="RBID">pubmed:21525300</idno><idno type="pmid">21525300</idno><idno type="wicri:Area/PubMed/Corpus">000E82</idno><idno type="wicri:Area/PubMed/Curation">000E82</idno><idno type="wicri:Area/PubMed/Checkpoint">000D36</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">How soft is that pillow? The perceptual localization of the hand and the haptic assessment of contact rigidity.</title><author><name sortKey="Pressman, Assaf" sort="Pressman, Assaf" uniqKey="Pressman A" first="Assaf" last="Pressman">Assaf Pressman</name><affiliation wicri:level="1"><nlm:affiliation>Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611, USA. pressman@bgu.ac.il</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Chicago, Illinois 60611</wicri:regionArea><wicri:noRegion>Illinois 60611</wicri:noRegion></affiliation></author><author><name sortKey="Karniel, Amir" sort="Karniel, Amir" uniqKey="Karniel A" first="Amir" last="Karniel">Amir Karniel</name></author><author><name sortKey="Mussa Ivaldi, Ferdinando A" sort="Mussa Ivaldi, Ferdinando A" uniqKey="Mussa Ivaldi F" first="Ferdinando A" last="Mussa-Ivaldi">Ferdinando A. Mussa-Ivaldi</name></author></analytic><series><title level="j">The Journal of neuroscience : the official journal of the Society for Neuroscience</title><idno type="eISSN">1529-2401</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>Attention (physiology)</term><term>Computer Simulation</term><term>Female</term><term>Hand (physiology)</term><term>Humans</term><term>Illusions (physiology)</term><term>Logistic Models</term><term>Male</term><term>Models, Psychological</term><term>Muscle Rigidity (physiopathology)</term><term>Predictive Value of Tests</term><term>Probability</term><term>Psychometrics</term><term>Psychomotor Performance (physiology)</term><term>Space Perception (physiology)</term><term>Touch</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Attention</term><term>Hand</term><term>Illusions</term><term>Psychomotor Performance</term><term>Space Perception</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Muscle Rigidity</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Computer Simulation</term><term>Female</term><term>Humans</term><term>Logistic Models</term><term>Male</term><term>Models, Psychological</term><term>Predictive Value of Tests</term><term>Probability</term><term>Psychometrics</term><term>Touch</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A new haptic illusion is described, in which the location of the mobile object affects the perception of its rigidity. There is theoretical and experimental support for the notion that limb position sense results from the brain combining ongoing sensory information with expectations arising from prior experience. How does this probabilistic state information affect one's tactile perception of the environment mechanics? In a simple estimation process, human subjects were asked to report the relative rigidity of two simulated virtual objects. One of the objects remained fixed in space and had various coefficients of stiffness. The other virtual object had constant stiffness but moved with respect to the subjects. Earlier work suggested that the perception of an object's rigidity is consistent with a process of regression between the contact force and the perceived amount of penetration inside the object's boundary. The amount of penetration perceived by the subject was affected by varying the position of the object. This, in turn, had a predictable effect on the perceived rigidity of the contact. Subjects' reports on the relative rigidity of the object are best accounted for by a probabilistic model in which the perceived boundary of the object is estimated based on its current location and on past observations. Therefore, the perception of contact rigidity is accounted for by a stochastic process of state estimation underlying proprioceptive localization of the hand.</div></front></TEI></pubmed></double></record>Pour manipuler ce document sous Unix (Dilib)
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