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Recognizing familiar objects by hand and foot: Haptic shape perception generalizes to inputs from unusual locations and untrained body parts

Identifieur interne : 000120 ( PascalFrancis/Corpus ); précédent : 000119; suivant : 000121

Recognizing familiar objects by hand and foot: Haptic shape perception generalizes to inputs from unusual locations and untrained body parts

Auteurs : Rebecca Lawson

Source :

RBID : Francis:14-0187476

Descripteurs français

English descriptors

Abstract

The limits of generalization of our 3-D shape recognition system to identifying objects by touch was investigated by testing exploration at unusual locations and using untrained effectors. In Experiments 1 and 2, people found identification by hand of real objects, plastic 3-D models of objects, and raised line drawings placed in front of themselves no easier than when exploration was behind their back. Experiment 3 compared one-handed, two-handed, one-footed, and two-footed haptic object recognition of familiar objects. Recognition by foot was slower (7 vs. 13 s) and much less accurate (9 % vs. 47 % errors) than recognition by either one or both hands. Nevertheless, item difficulty was similar across hand and foot exploration, and there was a strong correlation between an individual's hand and foot performance. Furthermore, foot recognition was better with the largest 20 of the 80 items (32 % errors), suggesting that physical limitations hampered exploration by foot. Thus, object recognition by hand generalized efficiently across the spatial location of stimuli, while object recognition by foot seemed surprisingly good given that no prior training was provided. Active touch (haptics) thus efficiently extracts 3-D shape information and accesses stored representations of familiar objects from novel modes of input.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 1943-3921
A03   1    @0 Atten. percept. psychophys.
A05       @2 76
A06       @2 2
A08 01  1  ENG  @1 Recognizing familiar objects by hand and foot: Haptic shape perception generalizes to inputs from unusual locations and untrained body parts
A11 01  1    @1 LAWSON (Rebecca)
A14 01      @1 School of Psychology, University of Liverpool @2 Liverpool @3 GBR @Z 1 aut.
A20       @1 541-558
A21       @1 2014
A23 01      @0 ENG
A43 01      @1 INIST @2 14257 @5 354000501838140210
A44       @0 0000 @1 © 2014 INIST-CNRS. All rights reserved.
A45       @0 1 p.3/4
A47 01  1    @0 14-0187476
A60       @1 P
A61       @0 A
A64 01  1    @0 Attention, perception & psychophysics
A66 01      @0 USA
C01 01    ENG  @0 The limits of generalization of our 3-D shape recognition system to identifying objects by touch was investigated by testing exploration at unusual locations and using untrained effectors. In Experiments 1 and 2, people found identification by hand of real objects, plastic 3-D models of objects, and raised line drawings placed in front of themselves no easier than when exploration was behind their back. Experiment 3 compared one-handed, two-handed, one-footed, and two-footed haptic object recognition of familiar objects. Recognition by foot was slower (7 vs. 13 s) and much less accurate (9 % vs. 47 % errors) than recognition by either one or both hands. Nevertheless, item difficulty was similar across hand and foot exploration, and there was a strong correlation between an individual's hand and foot performance. Furthermore, foot recognition was better with the largest 20 of the 80 items (32 % errors), suggesting that physical limitations hampered exploration by foot. Thus, object recognition by hand generalized efficiently across the spatial location of stimuli, while object recognition by foot seemed surprisingly good given that no prior training was provided. Active touch (haptics) thus efficiently extracts 3-D shape information and accesses stored representations of familiar objects from novel modes of input.
C02 01  X    @0 770B05E @1 II
C03 01  X  FRE  @0 Familiarité stimulus @5 01
C03 01  X  ENG  @0 Stimulus familiarity @5 01
C03 01  X  SPA  @0 Familiaridad estímulo @5 01
C03 02  X  FRE  @0 Main @5 02
C03 02  X  ENG  @0 Hand @5 02
C03 02  X  SPA  @0 Mano @5 02
C03 03  X  FRE  @0 Pied @5 03
C03 03  X  ENG  @0 Foot @5 03
C03 03  X  SPA  @0 Pie @5 03
C03 04  X  FRE  @0 Sensibilité tactile @5 04
C03 04  X  ENG  @0 Tactile sensitivity @5 04
C03 04  X  SPA  @0 Sensibilidad tactil @5 04
C03 05  X  FRE  @0 Forme stimulus @5 05
C03 05  X  ENG  @0 Stimulus shape @5 05
C03 05  X  SPA  @0 Forma estímulo @5 05
C03 06  X  FRE  @0 Corps @5 06
C03 06  X  ENG  @0 Body @5 06
C03 06  X  SPA  @0 Cuerpo @5 06
C03 07  X  FRE  @0 Objet @5 07
C03 07  X  ENG  @0 Object @5 07
C03 07  X  SPA  @0 Objeto @5 07
C03 08  X  FRE  @0 Reconnaissance @5 08
C03 08  X  ENG  @0 Recognition @5 08
C03 08  X  SPA  @0 Reconocimiento @5 08
C03 09  X  FRE  @0 Généralisation @5 09
C03 09  X  ENG  @0 Generalization @5 09
C03 09  X  SPA  @0 Generalización @5 09
C03 10  X  FRE  @0 Etude expérimentale @5 10
C03 10  X  ENG  @0 Experimental study @5 10
C03 10  X  SPA  @0 Estudio experimental @5 10
C03 11  X  FRE  @0 Homme @5 18
C03 11  X  ENG  @0 Human @5 18
C03 11  X  SPA  @0 Hombre @5 18
C07 01  X  FRE  @0 Perception @5 37
C07 01  X  ENG  @0 Perception @5 37
C07 01  X  SPA  @0 Percepción @5 37
C07 02  X  FRE  @0 Cognition @5 38
C07 02  X  ENG  @0 Cognition @5 38
C07 02  X  SPA  @0 Cognición @5 38
N21       @1 237

Format Inist (serveur)

NO : FRANCIS 14-0187476 INIST
ET : Recognizing familiar objects by hand and foot: Haptic shape perception generalizes to inputs from unusual locations and untrained body parts
AU : LAWSON (Rebecca)
AF : School of Psychology, University of Liverpool/Liverpool/Royaume-Uni (1 aut.)
DT : Publication en série; Niveau analytique
SO : Attention, perception & psychophysics; ISSN 1943-3921; Etats-Unis; Da. 2014; Vol. 76; No. 2; Pp. 541-558; Bibl. 1 p.3/4
LA : Anglais
EA : The limits of generalization of our 3-D shape recognition system to identifying objects by touch was investigated by testing exploration at unusual locations and using untrained effectors. In Experiments 1 and 2, people found identification by hand of real objects, plastic 3-D models of objects, and raised line drawings placed in front of themselves no easier than when exploration was behind their back. Experiment 3 compared one-handed, two-handed, one-footed, and two-footed haptic object recognition of familiar objects. Recognition by foot was slower (7 vs. 13 s) and much less accurate (9 % vs. 47 % errors) than recognition by either one or both hands. Nevertheless, item difficulty was similar across hand and foot exploration, and there was a strong correlation between an individual's hand and foot performance. Furthermore, foot recognition was better with the largest 20 of the 80 items (32 % errors), suggesting that physical limitations hampered exploration by foot. Thus, object recognition by hand generalized efficiently across the spatial location of stimuli, while object recognition by foot seemed surprisingly good given that no prior training was provided. Active touch (haptics) thus efficiently extracts 3-D shape information and accesses stored representations of familiar objects from novel modes of input.
CC : 770B05E
FD : Familiarité stimulus; Main; Pied; Sensibilité tactile; Forme stimulus; Corps; Objet; Reconnaissance; Généralisation; Etude expérimentale; Homme
FG : Perception; Cognition
ED : Stimulus familiarity; Hand; Foot; Tactile sensitivity; Stimulus shape; Body; Object; Recognition; Generalization; Experimental study; Human
EG : Perception; Cognition
SD : Familiaridad estímulo; Mano; Pie; Sensibilidad tactil; Forma estímulo; Cuerpo; Objeto; Reconocimiento; Generalización; Estudio experimental; Hombre
LO : INIST-14257.354000501838140210
ID : 14-0187476

Links to Exploration step

Francis:14-0187476

Le document en format XML

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