HapticV1, PubMed, Corpus, bibRecord, 000F07

Object and spatial imagery dimensions in visuo-haptic representations.

Identifieur interne : 000F07 ( PubMed/Corpus ); précédent : 000F06; suivant : 000F08

Object and spatial imagery dimensions in visuo-haptic representations.

Auteurs : Simon Lacey ; Jonathan B. Lin ; K. Sathian

Source :

Experimental brain research [ 1432-1106 ] ; 2011.

RBID : pubmed:21424255

English descriptors

KwdEn :
- Analysis of Variance, Discrimination (Psychology) (physiology), Female, Form Perception, Humans, Imagination (physiology), Male, Pattern Recognition, Visual (physiology), Space Perception (physiology), Surveys and Questionnaires, Touch, Young Adult.
MESH :
- physiology : Discrimination (Psychology), Imagination, Pattern Recognition, Visual, Space Perception.
- Analysis of Variance, Female, Form Perception, Humans, Male, Surveys and Questionnaires, Touch, Young Adult.

Abstract

Visual imagery comprises object and spatial dimensions. Both types of imagery encode shape but a key difference is that object imagers are more likely to encode surface properties than spatial imagers. Since visual and haptic object representations share many characteristics, we investigated whether haptic and multisensory representations also share an object-spatial continuum. Experiment 1 involved two tasks in both visual and haptic within-modal conditions, one requiring discrimination of shape across changes in texture, the other discrimination of texture across changes in shape. In both modalities, spatial imagers could ignore changes in texture but not shape, whereas object imagers could ignore changes in shape but not texture. Experiment 2 re-analyzed a cross-modal version of the shape discrimination task from an earlier study. We found that spatial imagers could discriminate shape across changes in texture but object imagers could not and that the more one preferred object imagery, the more texture changes impaired discrimination. These findings are the first evidence that object and spatial dimensions of imagery can be observed in haptic and multisensory representations.

DOI: 10.1007/s00221-011-2623-1
PubMed: 21424255

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pubmed:21424255

Le document en format XML

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<author><name sortKey="Lacey, Simon" sort="Lacey, Simon" uniqKey="Lacey S" first="Simon" last="Lacey">Simon Lacey</name>
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<author><name sortKey="Lin, Jonathan B" sort="Lin, Jonathan B" uniqKey="Lin J" first="Jonathan B" last="Lin">Jonathan B. Lin</name>
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<author><name sortKey="Sathian, K" sort="Sathian, K" uniqKey="Sathian K" first="K" last="Sathian">K. Sathian</name>
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<front><div type="abstract" xml:lang="en">Visual imagery comprises object and spatial dimensions. Both types of imagery encode shape but a key difference is that object imagers are more likely to encode surface properties than spatial imagers. Since visual and haptic object representations share many characteristics, we investigated whether haptic and multisensory representations also share an object-spatial continuum. Experiment 1 involved two tasks in both visual and haptic within-modal conditions, one requiring discrimination of shape across changes in texture, the other discrimination of texture across changes in shape. In both modalities, spatial imagers could ignore changes in texture but not shape, whereas object imagers could ignore changes in shape but not texture. Experiment 2 re-analyzed a cross-modal version of the shape discrimination task from an earlier study. We found that spatial imagers could discriminate shape across changes in texture but object imagers could not and that the more one preferred object imagery, the more texture changes impaired discrimination. These findings are the first evidence that object and spatial dimensions of imagery can be observed in haptic and multisensory representations.</div>
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<CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Psychol Sci. 2001 Jan;12(1):37-42</RefSource>
<PMID Version="1">11294226</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Mem Cognit. 2005 Jun;33(4):710-26</RefSource>
<PMID Version="1">16248335</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Q J Exp Psychol (Hove). 2006 Feb;59(2):361-76</RefSource>
<PMID Version="1">16618639</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>PLoS One. 2007;2(9):e890</RefSource>
<PMID Version="1">17849019</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Brain Topogr. 2009 May;21(3-4):269-74</RefSource>
<PMID Version="1">19330441</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Prog Brain Res. 2011;191:165-76</RefSource>
<PMID Version="1">21741551</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Exp Brain Res. 2009 Sep;198(2-3):329-37</RefSource>
<PMID Version="1">19484467</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Psychon Bull Rev. 2009 Oct;16(5):914-9</RefSource>
<PMID Version="1">19815798</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Psychon Bull Rev. 2010 Feb;17(1):29-35</RefSource>
<PMID Version="1">20081157</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>Eur J Neurosci. 2010 May;31(10):1882-8</RefSource>
<PMID Version="1">20584193</PMID>
</CommentsCorrections>
<CommentsCorrections RefType="Cites"><RefSource>J Exp Psychol Hum Percept Perform. 2009 Aug;35(4):911-30</RefSource>
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	Serveur d'exploration sur les dispositifs haptiques
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Object and spatial imagery dimensions in visuo-haptic representations.

Object and spatial imagery dimensions in visuo-haptic representations.

Source :

English descriptors

Abstract

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