HapticV1, PascalFrancis, Corpus, bibRecord, 000B53

Multimodal similarity and categorization of novel, three-dimensional objects

Identifieur interne : 000B53 ( PascalFrancis/Corpus ); précédent : 000B52; suivant : 000B54

Multimodal similarity and categorization of novel, three-dimensional objects

Auteurs : Theresa Cooke ; Frank J Kel ; Christian Wallraven ; Heinrich H. Bülthoff

Source :

Neuropsychologia [ 0028-3932 ] ; 2007.

RBID : Pascal:07-0255150

Descripteurs français

Pascal (Inist)
- Catégorisation, Nouveauté stimulus, Perception intermodale, Sensibilité tactile, Cognition, Vision, Espace 3 dimensions, Similitude stimulus, Homme.

English descriptors

KwdEn :
- Categorization, Cognition, Human, Intermodal perception, Novelty stimulus, Stimulus similarity, Tactile sensitivity, Three dimensional space, Vision.

Abstract

Similarity has been proposed as a fundamental principle underlying mental object representations and capable of supporting cognitive-level tasks such as categorization. However, much of the research has considered connections between similarity and categorization for tasks performed using a single perceptual modality. Considering similarity and categorization within a multimodal context opens up a number of important questions: Are the similarities between objects the same when they are perceived using different modalities or using more than one modality at a time? Is similarity still able to explain categorization performance when objects are experienced multimodally? In this study, we addressed these questions by having subjects explore novel, 3D objects which varied parametrically in shape and texture using vision alone, touch alone, or touch and vision together. Subjects then performed a pair-wise similarity rating task and a free sorting categorization task. Multidimensional scaling (MDS) analysis of similarity data revealed that a single underlying perceptual map whose dimensions corresponded to shape and texture could explain visual, haptic, and bimodal similarity ratings. However, the relative dimension weights varied according to modality: shape dominated texture when objects were seen, whereas shape and texture were roughly equally important in the haptic and bimodal conditions. Some evidence was found for a multimodal connection between similarity and categorization: the probability of category membership increased with similarity while the probability of a category boundary being placed between two stimuli decreased with similarity. In addition, dimension weights varied according to modality in the same way for both tasks. The study also demonstrates the usefulness of 3D printing technology and MDS techniques in the study of visuohaptic object processing.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`02`	`1`		`@1 JÄKEL (Frank)`
A11	`03`	`1`		`@1 WALLRAVEN (Christian)`
A11	`04`	`1`		`@1 BÜLTHOFF (Heinrich H.)`
A12	`01`	`1`		`@1 PAVANI (Francesco) @9 ed.`
A12	`02`	`1`		`@1 MURRRAY (Micah) @9 ed.`
A12	`03`	`1`		`@1 SCHROEDER (Charles) @9 ed.`
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C01	`01`		`ENG`	@0 Similarity has been proposed as a fundamental principle underlying mental object representations and capable of supporting cognitive-level tasks such as categorization. However, much of the research has considered connections between similarity and categorization for tasks performed using a single perceptual modality. Considering similarity and categorization within a multimodal context opens up a number of important questions: Are the similarities between objects the same when they are perceived using different modalities or using more than one modality at a time? Is similarity still able to explain categorization performance when objects are experienced multimodally? In this study, we addressed these questions by having subjects explore novel, 3D objects which varied parametrically in shape and texture using vision alone, touch alone, or touch and vision together. Subjects then performed a pair-wise similarity rating task and a free sorting categorization task. Multidimensional scaling (MDS) analysis of similarity data revealed that a single underlying perceptual map whose dimensions corresponded to shape and texture could explain visual, haptic, and bimodal similarity ratings. However, the relative dimension weights varied according to modality: shape dominated texture when objects were seen, whereas shape and texture were roughly equally important in the haptic and bimodal conditions. Some evidence was found for a multimodal connection between similarity and categorization: the probability of category membership increased with similarity while the probability of a category boundary being placed between two stimuli decreased with similarity. In addition, dimension weights varied according to modality in the same way for both tasks. The study also demonstrates the usefulness of 3D printing technology and MDS techniques in the study of visuohaptic object processing.
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C03	`04`	`X`	`ENG`	`@0 Tactile sensitivity @5 04`
C03	`04`	`X`	`SPA`	`@0 Sensibilidad tactil @5 04`
C03	`05`	`X`	`FRE`	`@0 Cognition @5 05`
C03	`05`	`X`	`ENG`	`@0 Cognition @5 05`
C03	`05`	`X`	`SPA`	`@0 Cognición @5 05`
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C03	`06`	`X`	`SPA`	`@0 Visión @5 06`
C03	`07`	`X`	`FRE`	`@0 Espace 3 dimensions @5 07`
C03	`07`	`X`	`ENG`	`@0 Three dimensional space @5 07`
C03	`07`	`X`	`SPA`	`@0 Espacio 3 dimensiones @5 07`
C03	`08`	`X`	`FRE`	`@0 Similitude stimulus @5 08`
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Format Inist (serveur)

NO :	PASCAL 07-0255150 INIST
ET :	Multimodal similarity and categorization of novel, three-dimensional objects
AU :	COOKE (Theresa); JÄKEL (Frank); WALLRAVEN (Christian); BÜLTHOFF (Heinrich H.); PAVANI (Francesco); MURRRAY (Micah); SCHROEDER (Charles)
AF :	Max Planck Institute for Biological Cybernetics, Spemannstr. 38/72076 Tubingen/Allemagne (1 aut., 2 aut., 3 aut., 4 aut.); Department of Cognitive Sciences and Education, University of Trento, Corso Bettini 31/38068 Rovereto/Italie (1 aut.); Neuropsychology Division and Radiology Service, CHUV, Hôpital Nestlé, 5 avenue Pierre Decker/1011 Lausanne/Suisse (2 aut.); The Nathan S. Kline Institute for Psychiatric Research, 140 Old Orangeburg Road/Orangeburg, NY 10962/Etats-Unis (3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Neuropsychologia; ISSN 0028-3932; Coden NUPSA6; Royaume-Uni; Da. 2007; Vol. 45; No. 3; Pp. 484-495; Bibl. 3/4 p.
LA :	Anglais
EA :	Similarity has been proposed as a fundamental principle underlying mental object representations and capable of supporting cognitive-level tasks such as categorization. However, much of the research has considered connections between similarity and categorization for tasks performed using a single perceptual modality. Considering similarity and categorization within a multimodal context opens up a number of important questions: Are the similarities between objects the same when they are perceived using different modalities or using more than one modality at a time? Is similarity still able to explain categorization performance when objects are experienced multimodally? In this study, we addressed these questions by having subjects explore novel, 3D objects which varied parametrically in shape and texture using vision alone, touch alone, or touch and vision together. Subjects then performed a pair-wise similarity rating task and a free sorting categorization task. Multidimensional scaling (MDS) analysis of similarity data revealed that a single underlying perceptual map whose dimensions corresponded to shape and texture could explain visual, haptic, and bimodal similarity ratings. However, the relative dimension weights varied according to modality: shape dominated texture when objects were seen, whereas shape and texture were roughly equally important in the haptic and bimodal conditions. Some evidence was found for a multimodal connection between similarity and categorization: the probability of category membership increased with similarity while the probability of a category boundary being placed between two stimuli decreased with similarity. In addition, dimension weights varied according to modality in the same way for both tasks. The study also demonstrates the usefulness of 3D printing technology and MDS techniques in the study of visuohaptic object processing.
CC :	002A26E08
FD :	Catégorisation; Nouveauté stimulus; Perception intermodale; Sensibilité tactile; Cognition; Vision; Espace 3 dimensions; Similitude stimulus; Homme
FG :	Perception
ED :	Categorization; Novelty stimulus; Intermodal perception; Tactile sensitivity; Cognition; Vision; Three dimensional space; Stimulus similarity; Human
EG :	Perception
SD :	Categorización; Novedad estímulo; Percepción intermodal; Sensibilidad tactil; Cognición; Visión; Espacio 3 dimensiones; Similitud estímulo; Hombre
LO :	INIST-11143.354000159522200030
ID :	07-0255150

Links to Exploration step

Pascal:07-0255150

Le document en format XML

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<front><div type="abstract" xml:lang="en">Similarity has been proposed as a fundamental principle underlying mental object representations and capable of supporting cognitive-level tasks such as categorization. However, much of the research has considered connections between similarity and categorization for tasks performed using a single perceptual modality. Considering similarity and categorization within a multimodal context opens up a number of important questions: Are the similarities between objects the same when they are perceived using different modalities or using more than one modality at a time? Is similarity still able to explain categorization performance when objects are experienced multimodally? In this study, we addressed these questions by having subjects explore novel, 3D objects which varied parametrically in shape and texture using vision alone, touch alone, or touch and vision together. Subjects then performed a pair-wise similarity rating task and a free sorting categorization task. Multidimensional scaling (MDS) analysis of similarity data revealed that a single underlying perceptual map whose dimensions corresponded to shape and texture could explain visual, haptic, and bimodal similarity ratings. However, the relative dimension weights varied according to modality: shape dominated texture when objects were seen, whereas shape and texture were roughly equally important in the haptic and bimodal conditions. Some evidence was found for a multimodal connection between similarity and categorization: the probability of category membership increased with similarity while the probability of a category boundary being placed between two stimuli decreased with similarity. In addition, dimension weights varied according to modality in the same way for both tasks. The study also demonstrates the usefulness of 3D printing technology and MDS techniques in the study of visuohaptic object processing.</div>
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<fC01 i1="01" l="ENG"><s0>Similarity has been proposed as a fundamental principle underlying mental object representations and capable of supporting cognitive-level tasks such as categorization. However, much of the research has considered connections between similarity and categorization for tasks performed using a single perceptual modality. Considering similarity and categorization within a multimodal context opens up a number of important questions: Are the similarities between objects the same when they are perceived using different modalities or using more than one modality at a time? Is similarity still able to explain categorization performance when objects are experienced multimodally? In this study, we addressed these questions by having subjects explore novel, 3D objects which varied parametrically in shape and texture using vision alone, touch alone, or touch and vision together. Subjects then performed a pair-wise similarity rating task and a free sorting categorization task. Multidimensional scaling (MDS) analysis of similarity data revealed that a single underlying perceptual map whose dimensions corresponded to shape and texture could explain visual, haptic, and bimodal similarity ratings. However, the relative dimension weights varied according to modality: shape dominated texture when objects were seen, whereas shape and texture were roughly equally important in the haptic and bimodal conditions. Some evidence was found for a multimodal connection between similarity and categorization: the probability of category membership increased with similarity while the probability of a category boundary being placed between two stimuli decreased with similarity. In addition, dimension weights varied according to modality in the same way for both tasks. The study also demonstrates the usefulness of 3D printing technology and MDS techniques in the study of visuohaptic object processing.</s0>
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<server><NO>PASCAL 07-0255150 INIST</NO>
<ET>Multimodal similarity and categorization of novel, three-dimensional objects</ET>
<AU>COOKE (Theresa); JÄKEL (Frank); WALLRAVEN (Christian); BÜLTHOFF (Heinrich H.); PAVANI (Francesco); MURRRAY (Micah); SCHROEDER (Charles)</AU>
<AF>Max Planck Institute for Biological Cybernetics, Spemannstr. 38/72076 Tubingen/Allemagne (1 aut., 2 aut., 3 aut., 4 aut.); Department of Cognitive Sciences and Education, University of Trento, Corso Bettini 31/38068 Rovereto/Italie (1 aut.); Neuropsychology Division and Radiology Service, CHUV, Hôpital Nestlé, 5 avenue Pierre Decker/1011 Lausanne/Suisse (2 aut.); The Nathan S. Kline Institute for Psychiatric Research, 140 Old Orangeburg Road/Orangeburg, NY 10962/Etats-Unis (3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Neuropsychologia; ISSN 0028-3932; Coden NUPSA6; Royaume-Uni; Da. 2007; Vol. 45; No. 3; Pp. 484-495; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>Similarity has been proposed as a fundamental principle underlying mental object representations and capable of supporting cognitive-level tasks such as categorization. However, much of the research has considered connections between similarity and categorization for tasks performed using a single perceptual modality. Considering similarity and categorization within a multimodal context opens up a number of important questions: Are the similarities between objects the same when they are perceived using different modalities or using more than one modality at a time? Is similarity still able to explain categorization performance when objects are experienced multimodally? In this study, we addressed these questions by having subjects explore novel, 3D objects which varied parametrically in shape and texture using vision alone, touch alone, or touch and vision together. Subjects then performed a pair-wise similarity rating task and a free sorting categorization task. Multidimensional scaling (MDS) analysis of similarity data revealed that a single underlying perceptual map whose dimensions corresponded to shape and texture could explain visual, haptic, and bimodal similarity ratings. However, the relative dimension weights varied according to modality: shape dominated texture when objects were seen, whereas shape and texture were roughly equally important in the haptic and bimodal conditions. Some evidence was found for a multimodal connection between similarity and categorization: the probability of category membership increased with similarity while the probability of a category boundary being placed between two stimuli decreased with similarity. In addition, dimension weights varied according to modality in the same way for both tasks. The study also demonstrates the usefulness of 3D printing technology and MDS techniques in the study of visuohaptic object processing.</EA>
<CC>002A26E08</CC>
<FD>Catégorisation; Nouveauté stimulus; Perception intermodale; Sensibilité tactile; Cognition; Vision; Espace 3 dimensions; Similitude stimulus; Homme</FD>
<FG>Perception</FG>
<ED>Categorization; Novelty stimulus; Intermodal perception; Tactile sensitivity; Cognition; Vision; Three dimensional space; Stimulus similarity; Human</ED>
<EG>Perception</EG>
<SD>Categorización; Novedad estímulo; Percepción intermodal; Sensibilidad tactil; Cognición; Visión; Espacio 3 dimensiones; Similitud estímulo; Hombre</SD>
<LO>INIST-11143.354000159522200030</LO>
<ID>07-0255150</ID>
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Multimodal similarity and categorization of novel, three-dimensional objects

Multimodal similarity and categorization of novel, three-dimensional objects

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