HapticV1, Ncbi, Checkpoint, bibRecord, 001B73

Haptic object recognition: how important are depth cues and plane orientation?

Identifieur interne : 001B73 ( Ncbi/Checkpoint ); précédent : 001B72; suivant : 001B74

Haptic object recognition: how important are depth cues and plane orientation?

Auteurs : Rebecca Lawson [Royaume-Uni] ; Sarah Bracken

Source :

Perception [ 0301-0066 ] ; 2011.

RBID : pubmed:21882721

English descriptors

KwdEn :
- Adolescent, Cues, Depth Perception, Discrimination Learning, Female, Humans, Male, Orientation, Perceptual Distortion, Practice (Psychology), Reaction Time, Retention (Psychology), Stereognosis, Touch, Young Adult.
MESH :
- Adolescent, Cues, Depth Perception, Discrimination Learning, Female, Humans, Male, Orientation, Perceptual Distortion, Practice (Psychology), Reaction Time, Retention (Psychology), Stereognosis, Touch, Young Adult.

Abstract

Raised-line drawings of familiar objects are very difficult to identify with active touch only. In contrast, haptically explored real 3-D objects are usually recognised efficiently, albeit slower and less accurately than with vision. Real 3-D objects have more depth information than outline drawings, but also extra information about identity (eg texture, hardness, temperature). Previous studies have not manipulated the availability of depth information in haptic object recognition whilst controlling for other information sources, so the importance of depth cues has not been assessed. In the present experiments, people named plastic small-scale models of familiar objects. Five versions of bilaterally symmetrical objects were produced. Versions varied only in the amount of depth information: minimal for cookie-cutter and filled-in outlines, partial for squashed and half objects, and full for 3-D models. Recognition was faster and much more accurate when more depth information was available, whether exploration was with both hands or just one finger. Novices found it almost impossible to recognise objects explored with two hand-held probes whereas experts succeeded using probes regardless of the amount of depth information. Surprisingly, plane misorientation did not impair recognition. Unlike with vision, depth information, but not object orientation, is extremely important for haptic object recognition.

PubMed: 21882721

Affiliations:

Royaume-Uni

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pubmed:21882721

Le document en format XML

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<author><name sortKey="Lawson, Rebecca" sort="Lawson, Rebecca" uniqKey="Lawson R" first="Rebecca" last="Lawson">Rebecca Lawson</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Psychology, University of Liverpool, Eleanor Rathbone Building, Bedford Street South, Liverpool L69 7ZA, UK. rlawson@liverpool.ac.uk</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>School of Psychology, University of Liverpool, Eleanor Rathbone Building, Bedford Street South, Liverpool L69 7ZA</wicri:regionArea>
<wicri:noRegion>Liverpool L69 7ZA</wicri:noRegion>
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<author><name sortKey="Bracken, Sarah" sort="Bracken, Sarah" uniqKey="Bracken S" first="Sarah" last="Bracken">Sarah Bracken</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Haptic object recognition: how important are depth cues and plane orientation?</title>
<author><name sortKey="Lawson, Rebecca" sort="Lawson, Rebecca" uniqKey="Lawson R" first="Rebecca" last="Lawson">Rebecca Lawson</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Psychology, University of Liverpool, Eleanor Rathbone Building, Bedford Street South, Liverpool L69 7ZA, UK. rlawson@liverpool.ac.uk</nlm:affiliation>
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<series><title level="j">Perception</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term>
<term>Cues</term>
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<term>Discrimination Learning</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Orientation</term>
<term>Perceptual Distortion</term>
<term>Practice (Psychology)</term>
<term>Reaction Time</term>
<term>Retention (Psychology)</term>
<term>Stereognosis</term>
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<term>Young Adult</term>
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<term>Cues</term>
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<term>Discrimination Learning</term>
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<term>Male</term>
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<term>Perceptual Distortion</term>
<term>Practice (Psychology)</term>
<term>Reaction Time</term>
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<term>Touch</term>
<term>Young Adult</term>
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<front><div type="abstract" xml:lang="en">Raised-line drawings of familiar objects are very difficult to identify with active touch only. In contrast, haptically explored real 3-D objects are usually recognised efficiently, albeit slower and less accurately than with vision. Real 3-D objects have more depth information than outline drawings, but also extra information about identity (eg texture, hardness, temperature). Previous studies have not manipulated the availability of depth information in haptic object recognition whilst controlling for other information sources, so the importance of depth cues has not been assessed. In the present experiments, people named plastic small-scale models of familiar objects. Five versions of bilaterally symmetrical objects were produced. Versions varied only in the amount of depth information: minimal for cookie-cutter and filled-in outlines, partial for squashed and half objects, and full for 3-D models. Recognition was faster and much more accurate when more depth information was available, whether exploration was with both hands or just one finger. Novices found it almost impossible to recognise objects explored with two hand-held probes whereas experts succeeded using probes regardless of the amount of depth information. Surprisingly, plane misorientation did not impair recognition. Unlike with vision, depth information, but not object orientation, is extremely important for haptic object recognition.</div>
</front>
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<affiliations><list><country><li>Royaume-Uni</li>
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<tree><noCountry><name sortKey="Bracken, Sarah" sort="Bracken, Sarah" uniqKey="Bracken S" first="Sarah" last="Bracken">Sarah Bracken</name>
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<country name="Royaume-Uni"><noRegion><name sortKey="Lawson, Rebecca" sort="Lawson, Rebecca" uniqKey="Lawson R" first="Rebecca" last="Lawson">Rebecca Lawson</name>
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	Serveur d'exploration sur les dispositifs haptiques
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Serveur d'exploration sur les dispositifs haptiques

Haptic object recognition: how important are depth cues and plane orientation?

Haptic object recognition: how important are depth cues and plane orientation?

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki