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Roughness perception of unfamiliar dot pattern textures

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Roughness perception of unfamiliar dot pattern textures

Auteurs : Judith Eck [Pays-Bas] ; Amanda L. Kaas [Pays-Bas] ; Joost L. J. Mulders [Pays-Bas] ; Rainer Goebel [Pays-Bas]

Source :

Acta psychologica [ 0001-6918 ] ; 2013.

RBID : Pascal:13-0186886

Descripteurs français

Pascal (Inist)
- Rugosité, Texture stimulus, Familiarité stimulus, Modalité stimulus, Etude expérimentale, Vision, Sensibilité tactile, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Experimental study, Human, Roughness, Stimulus familiarity, Stimulus modality, Stimulus texture, Tactile sensitivity, Vision.

Abstract

Both vision and touch yield comparable results in terms of roughness estimation of familiar textures as was shown in earlier studies. To our knowledge, no research has been conducted on the effect of sensory familiarity with the stimulus material on roughness estimation of unfamiliar textures. The influence of sensory modality and familiarity on roughness perception of dot pattern textures was investigated in a series of five experiments. Participants estimated the roughness of textures varying in mean center-to-center dot spacing in experimental conditions providing visual, haptic and visual-haptic combined information. The findings indicate that roughness perception of unfamiliar dot pattern textures is well described by a bi-exponential function of inter-dot spacing, regardless of the sensory modality used. However, sensory modality appears to affect the maximum of the psychophysical roughness function, with visually perceived roughness peaking for a smaller inter-dot spacing than haptic roughness. We propose that this might be due to the better spatial acuity of the visual modality. Individuals appeared to use different visual roughness estimation strategies depending on their first sensory experience (visual vs. haptic) with the stimulus material, primarily in an experimental context which required the combination of visual and haptic information in a single bimodal roughness estimate. Furthermore, the similarity of findings in experimental settings using real and virtual visual textures indicates the suitability of the experimental setup for neuroimaging studies, creating a more direct link between behavioral and neuroimaging results.

Affiliations:

Pays-Bas

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

to stream PascalFrancis, to step Corpus: 000198
to stream PascalFrancis, to step Corpus: 000261
to stream PascalFrancis, to step Curation: 001101
to stream PascalFrancis, to step Checkpoint: 000113
to stream Main, to step Merge: 001F24
to stream Main, to step Curation: 001F02

Le document en format XML

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<front><div type="abstract" xml:lang="en">Both vision and touch yield comparable results in terms of roughness estimation of familiar textures as was shown in earlier studies. To our knowledge, no research has been conducted on the effect of sensory familiarity with the stimulus material on roughness estimation of unfamiliar textures. The influence of sensory modality and familiarity on roughness perception of dot pattern textures was investigated in a series of five experiments. Participants estimated the roughness of textures varying in mean center-to-center dot spacing in experimental conditions providing visual, haptic and visual-haptic combined information. The findings indicate that roughness perception of unfamiliar dot pattern textures is well described by a bi-exponential function of inter-dot spacing, regardless of the sensory modality used. However, sensory modality appears to affect the maximum of the psychophysical roughness function, with visually perceived roughness peaking for a smaller inter-dot spacing than haptic roughness. We propose that this might be due to the better spatial acuity of the visual modality. Individuals appeared to use different visual roughness estimation strategies depending on their first sensory experience (visual vs. haptic) with the stimulus material, primarily in an experimental context which required the combination of visual and haptic information in a single bimodal roughness estimate. Furthermore, the similarity of findings in experimental settings using real and virtual visual textures indicates the suitability of the experimental setup for neuroimaging studies, creating a more direct link between behavioral and neuroimaging results.</div>
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Roughness perception of unfamiliar dot pattern textures

Roughness perception of unfamiliar dot pattern textures

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri