Discrimination thresholds for haptic perception of volume, surface area, and weight.
Identifieur interne : 000E16 ( PubMed/Corpus ); précédent : 000E15; suivant : 000E17Discrimination thresholds for haptic perception of volume, surface area, and weight.
Auteurs : Mirela Kahrimanovic ; Wouter M. Bergmann Tiest ; Astrid M L. KappersSource :
- Attention, perception & psychophysics [ 1943-393X ] ; 2011.
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Abstract
The present study investigated the human ability to discriminate the size of 3-D objects by touch. Experiment 1 measured the just noticeable differences (JNDs) for three tasks: (1) discrimination of volume without availability of weight information, (2) discrimination of volume with weight information available, and (3) discrimination of surface area. Stimuli consisted of spheres, cubes, and tetrahedrons. For all shapes, two reference sizes were used (3.5 and 12 cm(3)). No significant effect of task on the discriminability of objects was found, but the effects of shape and size were significant, as well as the interaction between these two factors. Post hoc analysis revealed that for the small reference, the Weber fractions for the tetrahedron were significantly larger than the fractions for the cube and the sphere. In Experiment 2, the JNDs for haptic perception of weight were measured for the same objects as those used in Experiment 1. The shape of objects had no significant effect on the Weber fractions for weight, but the Weber fractions for the small stimuli were larger than the fractions for the large stimuli. Surprisingly, a comparison between the two experiments showed that the Weber fractions for weight were significantly larger than the fractions for volume with availability of weight information. Taken together, the results reveal that volume and weight information are not effectively combined in discrimination tasks. This study provides detailed insight into the accuracy of the haptic system in discriminating objects' size. This substantial set of data satisfies the need for more fundamental knowledge on haptic size perception, necessary for a greater understanding of the perception of related properties, as well as of more general perceptual processes.
DOI: 10.3758/s13414-011-0202-y
PubMed: 21870206
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Kappers</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="doi">10.3758/s13414-011-0202-y</idno><idno type="RBID">pubmed:21870206</idno><idno type="pmid">21870206</idno><idno type="wicri:Area/PubMed/Corpus">000E16</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Discrimination thresholds for haptic perception of volume, surface area, and weight.</title><author><name sortKey="Kahrimanovic, Mirela" sort="Kahrimanovic, Mirela" uniqKey="Kahrimanovic M" first="Mirela" last="Kahrimanovic">Mirela Kahrimanovic</name><affiliation><nlm:affiliation>Helmholtz Institute, Universiteit Utrecht, Padualaan 8, 3584 CH Utrecht, The Netherlands. m.kahrimanovic@uu.nl</nlm:affiliation></affiliation></author><author><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></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. Kappers</name></author></analytic><series><title level="j">Attention, perception & psychophysics</title><idno type="eISSN">1943-393X</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Depth Perception</term><term>Differential Threshold</term><term>Discrimination (Psychology)</term><term>Female</term><term>Humans</term><term>Male</term><term>Sensory Deprivation</term><term>Sensory Thresholds</term><term>Size Perception</term><term>Stereognosis</term><term>Touch</term><term>Weight Perception</term><term>Young Adult</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Depth Perception</term><term>Differential Threshold</term><term>Discrimination (Psychology)</term><term>Female</term><term>Humans</term><term>Male</term><term>Sensory Deprivation</term><term>Sensory Thresholds</term><term>Size Perception</term><term>Stereognosis</term><term>Touch</term><term>Weight Perception</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The present study investigated the human ability to discriminate the size of 3-D objects by touch. Experiment 1 measured the just noticeable differences (JNDs) for three tasks: (1) discrimination of volume without availability of weight information, (2) discrimination of volume with weight information available, and (3) discrimination of surface area. Stimuli consisted of spheres, cubes, and tetrahedrons. For all shapes, two reference sizes were used (3.5 and 12 cm(3)). No significant effect of task on the discriminability of objects was found, but the effects of shape and size were significant, as well as the interaction between these two factors. Post hoc analysis revealed that for the small reference, the Weber fractions for the tetrahedron were significantly larger than the fractions for the cube and the sphere. In Experiment 2, the JNDs for haptic perception of weight were measured for the same objects as those used in Experiment 1. The shape of objects had no significant effect on the Weber fractions for weight, but the Weber fractions for the small stimuli were larger than the fractions for the large stimuli. Surprisingly, a comparison between the two experiments showed that the Weber fractions for weight were significantly larger than the fractions for volume with availability of weight information. Taken together, the results reveal that volume and weight information are not effectively combined in discrimination tasks. This study provides detailed insight into the accuracy of the haptic system in discriminating objects' size. This substantial set of data satisfies the need for more fundamental knowledge on haptic size perception, necessary for a greater understanding of the perception of related properties, as well as of more general perceptual processes.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">21870206</PMID><DateCreated><Year>2011</Year><Month>11</Month><Day>23</Day></DateCreated><DateCompleted><Year>2012</Year><Month>04</Month><Day>27</Day></DateCompleted><DateRevised><Year>2015</Year><Month>02</Month><Day>03</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1943-393X</ISSN><JournalIssue CitedMedium="Internet"><Volume>73</Volume><Issue>8</Issue><PubDate><Year>2011</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Attention, perception & psychophysics</Title><ISOAbbreviation>Atten Percept Psychophys</ISOAbbreviation></Journal><ArticleTitle>Discrimination thresholds for haptic perception of volume, surface area, and weight.</ArticleTitle><Pagination><MedlinePgn>2649-56</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3758/s13414-011-0202-y</ELocationID><Abstract><AbstractText>The present study investigated the human ability to discriminate the size of 3-D objects by touch. Experiment 1 measured the just noticeable differences (JNDs) for three tasks: (1) discrimination of volume without availability of weight information, (2) discrimination of volume with weight information available, and (3) discrimination of surface area. Stimuli consisted of spheres, cubes, and tetrahedrons. For all shapes, two reference sizes were used (3.5 and 12 cm(3)). No significant effect of task on the discriminability of objects was found, but the effects of shape and size were significant, as well as the interaction between these two factors. Post hoc analysis revealed that for the small reference, the Weber fractions for the tetrahedron were significantly larger than the fractions for the cube and the sphere. In Experiment 2, the JNDs for haptic perception of weight were measured for the same objects as those used in Experiment 1. The shape of objects had no significant effect on the Weber fractions for weight, but the Weber fractions for the small stimuli were larger than the fractions for the large stimuli. Surprisingly, a comparison between the two experiments showed that the Weber fractions for weight were significantly larger than the fractions for volume with availability of weight information. Taken together, the results reveal that volume and weight information are not effectively combined in discrimination tasks. This study provides detailed insight into the accuracy of the haptic system in discriminating objects' size. This substantial set of data satisfies the need for more fundamental knowledge on haptic size perception, necessary for a greater understanding of the perception of related properties, as well as of more general perceptual processes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kahrimanovic</LastName><ForeName>Mirela</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Helmholtz Institute, Universiteit Utrecht, Padualaan 8, 3584 CH Utrecht, The Netherlands. m.kahrimanovic@uu.nl</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bergmann Tiest</LastName><ForeName>Wouter M</ForeName><Initials>WM</Initials></Author><Author ValidYN="Y"><LastName>Kappers</LastName><ForeName>Astrid M L</ForeName><Initials>AM</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Atten Percept Psychophys</MedlineTA><NlmUniqueID>101495384</NlmUniqueID><ISSNLinking>1943-3921</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Q J Exp Psychol. 1966 Aug;18(3):275-7</RefSource><PMID Version="1">5911132</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Psychol Bull. 1986 Jul;100(1):29-42</RefSource><PMID Version="1">2942958</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Cogn Psychol. 1987 Jul;19(3):342-68</RefSource><PMID Version="1">3608405</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Atten Percept Psychophys. 2010 Feb;72(2):517-27</RefSource><PMID Version="1">20139464</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Am J Psychol. 1958 Sep;71(3):557-62</RefSource><PMID Version="1">13571459</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Exp Psychol. 1959 Feb;57(2):91-5</RefSource><PMID Version="1">13641579</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Atten Percept Psychophys. 2009 Feb;71(2):421-30</RefSource><PMID Version="1">19304631</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Percept Psychophys. 1989 Jul;46(1):29-38</RefSource><PMID Version="1">2755759</PMID></CommentsCorrections></CommentsCorrectionsList><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D003867">Depth Perception</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D004056">Differential Threshold</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D004192">Discrimination (Psychology)</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D012683">Sensory Deprivation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D012684">Sensory Thresholds</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D012858">Size Perception</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D013236">Stereognosis</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D014110">Touch</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D014892">Weight Perception</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055815">Young Adult</DescriptorName></MeshHeading></MeshHeadingList><OtherID Source="NLM">PMC3222810</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>8</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>8</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>4</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.3758/s13414-011-0202-y</ArticleId><ArticleId IdType="pubmed">21870206</ArticleId><ArticleId IdType="pmc">PMC3222810</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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