Salient material properties and haptic volume perception: the influences of surface texture, thermal conductivity, and compliance.
Identifieur interne : 002237 ( Ncbi/Checkpoint ); précédent : 002236; suivant : 002238Salient material properties and haptic volume perception: the influences of surface texture, thermal conductivity, and compliance.
Auteurs : Wouter M. Bergmann Tiest [Pays-Bas] ; Mirela Kahrimanovic ; Ilona Niemantsverdriet ; Kassahun Bogale ; Astrid M L. KappersSource :
- Attention, perception & psychophysics [ 1943-393X ] ; 2012.
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Abstract
We investigated the influences of surface texture, thermal conductivity, and compliance on the haptic perception of the volume of small cubes. It was hypothesized that an object containing highly salient material properties would be perceived as larger in volume than the same object without these properties. Blindfolded subjects were asked to explore pairs of cubes differing in their material properties and to select the one with the larger volume. The results showed that, counterintuitively, a smooth cube was perceived as being significantly larger than a rough cube of the same physical volume, with average biases of about 19 %. Furthermore, cubes with a higher thermal conductivity were perceived as significantly larger than cubes with a lower thermal conductivity (average bias of about 7 %). In addition, the magnitude of the bias in this condition was not changed by increasing or decreasing the temperature of the test objects, suggesting that the effect of thermal conductivity could not be attributed directly to the heat flow. Finally, a hard cube was perceived as significantly larger than a soft cube of equal physical volume, with an average bias of about 25 %. These results reveal that the studied material properties have significant and consistent influences on the haptic perception of volume. The observed biases provide an indication of the levels at which the processing of haptic information on volume and material properties occurs.
DOI: 10.3758/s13414-012-0372-2
PubMed: 22972632
Affiliations:
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W.M.BergmannTiest@uu.nl</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Helmholtz Institute, Utrecht University, Padualaan 8, Utrecht</wicri:regionArea><placeName><settlement type="city">Utrecht</settlement><region nuts="2" type="province">Utrecht (province)</region></placeName><orgName type="university">Université d'Utrecht</orgName></affiliation></author><author><name sortKey="Kahrimanovic, Mirela" sort="Kahrimanovic, Mirela" uniqKey="Kahrimanovic M" first="Mirela" last="Kahrimanovic">Mirela Kahrimanovic</name></author><author><name sortKey="Niemantsverdriet, Ilona" sort="Niemantsverdriet, Ilona" uniqKey="Niemantsverdriet I" first="Ilona" last="Niemantsverdriet">Ilona Niemantsverdriet</name></author><author><name sortKey="Bogale, Kassahun" sort="Bogale, Kassahun" uniqKey="Bogale K" first="Kassahun" last="Bogale">Kassahun Bogale</name></author><author><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M L" last="Kappers">Astrid M L. 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Bergmann Tiest</name><affiliation wicri:level="4"><nlm:affiliation>Helmholtz Institute, Utrecht University, Padualaan 8, Utrecht, The Netherlands. 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Kappers</name></author></analytic><series><title level="j">Attention, perception & psychophysics</title><idno type="eISSN">1943-393X</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Biomechanical Phenomena</term><term>Compliance</term><term>Female</term><term>Humans</term><term>Male</term><term>Size Perception</term><term>Surface Properties</term><term>Thermal Conductivity</term><term>Touch Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Biomechanical Phenomena</term><term>Compliance</term><term>Female</term><term>Humans</term><term>Male</term><term>Size Perception</term><term>Surface Properties</term><term>Thermal Conductivity</term><term>Touch Perception</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated the influences of surface texture, thermal conductivity, and compliance on the haptic perception of the volume of small cubes. It was hypothesized that an object containing highly salient material properties would be perceived as larger in volume than the same object without these properties. Blindfolded subjects were asked to explore pairs of cubes differing in their material properties and to select the one with the larger volume. The results showed that, counterintuitively, a smooth cube was perceived as being significantly larger than a rough cube of the same physical volume, with average biases of about 19 %. Furthermore, cubes with a higher thermal conductivity were perceived as significantly larger than cubes with a lower thermal conductivity (average bias of about 7 %). In addition, the magnitude of the bias in this condition was not changed by increasing or decreasing the temperature of the test objects, suggesting that the effect of thermal conductivity could not be attributed directly to the heat flow. Finally, a hard cube was perceived as significantly larger than a soft cube of equal physical volume, with an average bias of about 25 %. These results reveal that the studied material properties have significant and consistent influences on the haptic perception of volume. The observed biases provide an indication of the levels at which the processing of haptic information on volume and material properties occurs.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li></country><region><li>Utrecht (province)</li></region><settlement><li>Utrecht</li></settlement><orgName><li>Université d'Utrecht</li></orgName></list><tree><noCountry><name sortKey="Bogale, Kassahun" sort="Bogale, Kassahun" uniqKey="Bogale K" first="Kassahun" last="Bogale">Kassahun Bogale</name><name sortKey="Kahrimanovic, Mirela" sort="Kahrimanovic, Mirela" uniqKey="Kahrimanovic M" first="Mirela" last="Kahrimanovic">Mirela Kahrimanovic</name><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M L" last="Kappers">Astrid M L. Kappers</name><name sortKey="Niemantsverdriet, Ilona" sort="Niemantsverdriet, Ilona" uniqKey="Niemantsverdriet I" first="Ilona" last="Niemantsverdriet">Ilona Niemantsverdriet</name></noCountry><country name="Pays-Bas"><region name="Utrecht (province)"><name sortKey="Bergmann Tiest, Wouter M" sort="Bergmann Tiest, Wouter M" uniqKey="Bergmann Tiest W" first="Wouter M" last="Bergmann Tiest">Wouter M. Bergmann Tiest</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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