Salient features in 3-D haptic shape perception.
Identifieur interne : 001312 ( PubMed/Corpus ); précédent : 001311; suivant : 001313Salient features in 3-D haptic shape perception.
Auteurs : Myrthe A. Plaisier ; Wouter M Bergmann Tiest ; Astrid M L. KappersSource :
- Attention, perception & psychophysics [ 1943-3921 ] ; 2009.
English descriptors
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- MESH :
Abstract
Shape is an important cue for recognizing an object by touch. Several features, such as edges, curvature, surface area, and aspect ratio, are associated with 3-D shape. To investigate the saliency of 3-D shape features, we developed a haptic search task. The target and distractor items consisted of shapes (cube, sphere, tetrahedron, cylinder, and ellipsoid) that differed in several of these features. Exploratory movements were left as unconstrained as possible. Our results show that this type of haptic search task can be performed very efficiently (25 msec/item) and that edges and vertices are the most salient features. Furthermore, very salient local features, such as edges, can also be perceived through enclosure, an exploratory procedure usually associated with global shape. Since the subjects had to answer as quickly as possible, this suggests that speed may be a factor in selecting the appropriate exploratory procedure.
DOI: 10.3758/APP.71.2.421
PubMed: 19304631
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pubmed:19304631Le document en format XML
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Kappers</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="doi">10.3758/APP.71.2.421</idno><idno type="RBID">pubmed:19304631</idno><idno type="pmid">19304631</idno><idno type="wicri:Area/PubMed/Corpus">001312</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Salient features in 3-D haptic shape perception.</title><author><name sortKey="Plaisier, Myrthe A" sort="Plaisier, Myrthe A" uniqKey="Plaisier M" first="Myrthe A" last="Plaisier">Myrthe A. Plaisier</name><affiliation><nlm:affiliation>Universiteit Utrecht, Utrecht, The Netherlands. m.a.plaisier@uu.nl</nlm:affiliation></affiliation></author><author><name sortKey="Tiest, Wouter M Bergmann" sort="Tiest, Wouter M Bergmann" uniqKey="Tiest W" first="Wouter M Bergmann" last="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="ISSN">1943-3921</idno><imprint><date when="2009" type="published">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Attention</term><term>Cues</term><term>Depth Perception</term><term>Discrimination (Psychology)</term><term>Female</term><term>Form Perception</term><term>Humans</term><term>Male</term><term>Orientation</term><term>Psychophysics</term><term>Reaction Time</term><term>Stereognosis</term><term>Young Adult</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Attention</term><term>Cues</term><term>Depth Perception</term><term>Discrimination (Psychology)</term><term>Female</term><term>Form Perception</term><term>Humans</term><term>Male</term><term>Orientation</term><term>Psychophysics</term><term>Reaction Time</term><term>Stereognosis</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Shape is an important cue for recognizing an object by touch. Several features, such as edges, curvature, surface area, and aspect ratio, are associated with 3-D shape. To investigate the saliency of 3-D shape features, we developed a haptic search task. The target and distractor items consisted of shapes (cube, sphere, tetrahedron, cylinder, and ellipsoid) that differed in several of these features. Exploratory movements were left as unconstrained as possible. Our results show that this type of haptic search task can be performed very efficiently (25 msec/item) and that edges and vertices are the most salient features. Furthermore, very salient local features, such as edges, can also be perceived through enclosure, an exploratory procedure usually associated with global shape. Since the subjects had to answer as quickly as possible, this suggests that speed may be a factor in selecting the appropriate exploratory procedure.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">19304631</PMID><DateCreated><Year>2009</Year><Month>03</Month><Day>23</Day></DateCreated><DateCompleted><Year>2009</Year><Month>04</Month><Day>20</Day></DateCompleted><DateRevised><Year>2011</Year><Month>02</Month><Day>24</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1943-3921</ISSN><JournalIssue CitedMedium="Print"><Volume>71</Volume><Issue>2</Issue><PubDate><Year>2009</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Attention, perception & psychophysics</Title><ISOAbbreviation>Atten Percept Psychophys</ISOAbbreviation></Journal><ArticleTitle>Salient features in 3-D haptic shape perception.</ArticleTitle><Pagination><MedlinePgn>421-30</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3758/APP.71.2.421</ELocationID><Abstract><AbstractText>Shape is an important cue for recognizing an object by touch. Several features, such as edges, curvature, surface area, and aspect ratio, are associated with 3-D shape. To investigate the saliency of 3-D shape features, we developed a haptic search task. The target and distractor items consisted of shapes (cube, sphere, tetrahedron, cylinder, and ellipsoid) that differed in several of these features. Exploratory movements were left as unconstrained as possible. Our results show that this type of haptic search task can be performed very efficiently (25 msec/item) and that edges and vertices are the most salient features. Furthermore, very salient local features, such as edges, can also be perceived through enclosure, an exploratory procedure usually associated with global shape. 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