The effects of size changes on haptic object recognition
Identifieur interne : 000766 ( PascalFrancis/Corpus ); précédent : 000765; suivant : 000767The effects of size changes on haptic object recognition
Auteurs : Matt Craddock ; Rebecca LawsonSource :
- Attention, perception & psychophysics [ 1943-3921 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Two experiments examined the effects of size changes on haptic object recognition. In Experiment 1, participants named one of three exemplars (a standard-size-and-shape, different-size, or different-shape exemplar) of 36 categories of real, familiar objects. They then performed an old/new recognition task on the basis of object identity for the standard exemplars of all 36 objects. Half of the participants performed both blocks visually; the other half performed both blocks haptically. The participants were able to efficiently name unusually sized objects haptically, consistent with previous findings of good recognition of small-scale models of stimuli (Lawson, in press). However, performance was impaired for both visual and haptic old/new recognition when objects changed size or shape between blocks. In Experiment 2, participants performed a short-term haptic shape-matching task using 3-D plastic models of familiar objects, and as in Experiment 1, a cost emerged for ignoring the irrelevant size change. Like its visual counterpart, haptic object recognition incurs a significant but modest cost for generalizing across size changes.
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Format Inist (serveur)
NO : | PASCAL 09-0318752 INIST |
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ET : | The effects of size changes on haptic object recognition |
AU : | CRADDOCK (Matt); LAWSON (Rebecca) |
AF : | University of Liverpool/Liverpool/Royaume-Uni (1 aut., 2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Attention, perception & psychophysics; ISSN 1943-3921; Etats-Unis; Da. 2009; Vol. 71; No. 4; Pp. 910-923; Bibl. 1 p.1/4 |
LA : | Anglais |
EA : | Two experiments examined the effects of size changes on haptic object recognition. In Experiment 1, participants named one of three exemplars (a standard-size-and-shape, different-size, or different-shape exemplar) of 36 categories of real, familiar objects. They then performed an old/new recognition task on the basis of object identity for the standard exemplars of all 36 objects. Half of the participants performed both blocks visually; the other half performed both blocks haptically. The participants were able to efficiently name unusually sized objects haptically, consistent with previous findings of good recognition of small-scale models of stimuli (Lawson, in press). However, performance was impaired for both visual and haptic old/new recognition when objects changed size or shape between blocks. In Experiment 2, participants performed a short-term haptic shape-matching task using 3-D plastic models of familiar objects, and as in Experiment 1, a cost emerged for ignoring the irrelevant size change. Like its visual counterpart, haptic object recognition incurs a significant but modest cost for generalizing across size changes. |
CC : | 002A26E05 |
FD : | Dimension stimulus; Sensibilité tactile; Objet; Reconnaissance; Changement stimulus; Etude expérimentale; Homme |
FG : | Perception |
ED : | Stimulus size; Tactile sensitivity; Object; Recognition; Stimulus change; Experimental study; Human |
EG : | Perception |
SD : | Dimensión estímulo; Sensibilidad tactil; Objeto; Reconocimiento; Cambio estímulo; Estudio experimental; Hombre |
LO : | INIST-14257.354000188500740200 |
ID : | 09-0318752 |
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Pascal:09-0318752Le document en format XML
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<front><div type="abstract" xml:lang="en">Two experiments examined the effects of size changes on haptic object recognition. In Experiment 1, participants named one of three exemplars (a standard-size-and-shape, different-size, or different-shape exemplar) of 36 categories of real, familiar objects. They then performed an old/new recognition task on the basis of object identity for the standard exemplars of all 36 objects. Half of the participants performed both blocks visually; the other half performed both blocks haptically. The participants were able to efficiently name unusually sized objects haptically, consistent with previous findings of good recognition of small-scale models of stimuli (Lawson, in press). However, performance was impaired for both visual and haptic old/new recognition when objects changed size or shape between blocks. In Experiment 2, participants performed a short-term haptic shape-matching task using 3-D plastic models of familiar objects, and as in Experiment 1, a cost emerged for ignoring the irrelevant size change. Like its visual counterpart, haptic object recognition incurs a significant but modest cost for generalizing across size changes.</div>
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<ET>The effects of size changes on haptic object recognition</ET>
<AU>CRADDOCK (Matt); LAWSON (Rebecca)</AU>
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