Integration of force and position cues for shape perception through active touch
Identifieur interne : 000D58 ( PascalFrancis/Corpus ); précédent : 000D57; suivant : 000D59Integration of force and position cues for shape perception through active touch
Auteurs : Knut Drewing ; Marc O. ErnstSource :
- Brain research [ 0006-8993 ] ; 2006.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
This article systematically explores cue integration within active touch. Our research builds upon a recently made distinction between position and force cues for haptic shape perception [Robles-de-la-Torre, G., Hayward, V., 2001. Force can overcome object geometry in the perception of shape through active touch, Nature 412, 445-448]: when sliding a finger across a bumpy surface, the finger follows the surface geometry (position cue). At the same time, the finger is exposed to forces related to the slope of the surface (force cue). Experiment 1 independently varied force and position cues to the curvature of 3D arches. Perceived curvature could be well described as a weighted average of the two cues. Experiment 2 found more weight of the position cue for more convex high arches and higher weight of the force cue for less convex shallow arches-probably mediated through a change in relative cue reliability. Both findings are in good agreement with the maximum-likelihood estimation (MLE) model for cue integration and, thus, carry this model over to the domain of active haptic perception.
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Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
| NO : | PASCAL 06-0250799 INIST |
|---|---|
| ET : | Integration of force and position cues for shape perception through active touch |
| AU : | DREWING (Knut); ERNST (Marc O.) |
| AF : | Max Planck Institute for Biological Cybernetics/Tübingen/Allemagne (1 aut., 2 aut.) |
| DT : | Publication en série; Niveau analytique |
| SO : | Brain research; ISSN 0006-8993; Coden BRREAP; Pays-Bas; Da. 2006; Vol. 1078; Pp. 92-100; Bibl. 30 ref. |
| LA : | Anglais |
| EA : | This article systematically explores cue integration within active touch. Our research builds upon a recently made distinction between position and force cues for haptic shape perception [Robles-de-la-Torre, G., Hayward, V., 2001. Force can overcome object geometry in the perception of shape through active touch, Nature 412, 445-448]: when sliding a finger across a bumpy surface, the finger follows the surface geometry (position cue). At the same time, the finger is exposed to forces related to the slope of the surface (force cue). Experiment 1 independently varied force and position cues to the curvature of 3D arches. Perceived curvature could be well described as a weighted average of the two cues. Experiment 2 found more weight of the position cue for more convex high arches and higher weight of the force cue for less convex shallow arches-probably mediated through a change in relative cue reliability. Both findings are in good agreement with the maximum-likelihood estimation (MLE) model for cue integration and, thus, carry this model over to the domain of active haptic perception. |
| CC : | 002A25F |
| FD : | Forme stimulus; Perception; Sensibilité tactile; Psychophysique; Homme |
| ED : | Stimulus shape; Perception; Tactile sensitivity; Psychophysics; Human |
| SD : | Forma estímulo; Percepción; Sensibilidad tactil; Psicofísica; Hombre |
| LO : | INIST-12895.354000153457300090 |
| ID : | 06-0250799 |
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Pascal:06-0250799Le document en format XML
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Our research builds upon a recently made distinction between position and force cues for haptic shape perception [Robles-de-la-Torre, G., Hayward, V., 2001. Force can overcome object geometry in the perception of shape through active touch, Nature 412, 445-448]: when sliding a finger across a bumpy surface, the finger follows the surface geometry (position cue). At the same time, the finger is exposed to forces related to the slope of the surface (force cue). Experiment 1 independently varied force and position cues to the curvature of 3D arches. Perceived curvature could be well described as a weighted average of the two cues. Experiment 2 found more weight of the position cue for more convex high arches and higher weight of the force cue for less convex shallow arches-probably mediated through a change in relative cue reliability. Both findings are in good agreement with the maximum-likelihood estimation (MLE) model for cue integration and, thus, carry this model over to the domain of active haptic perception.</EA><CC>002A25F</CC><FD>Forme stimulus; Perception; Sensibilité tactile; Psychophysique; Homme</FD><ED>Stimulus shape; Perception; Tactile sensitivity; Psychophysics; Human</ED><SD>Forma estímulo; Percepción; Sensibilidad tactil; Psicofísica; Hombre</SD><LO>INIST-12895.354000153457300090</LO><ID>06-0250799</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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