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Haptic subitizing across the fingers

Identifieur interne : 000468 ( PascalFrancis/Corpus ); précédent : 000467; suivant : 000469

Haptic subitizing across the fingers

Auteurs : Myrthe A. Plaisier ; Jeroen B. J. Smeets

Source :

RBID : Pascal:11-0333532

Descripteurs français

English descriptors

Abstract

Numerosity judgments of small sets of items (< 3) are generally fast and errorfree, while response times and error rates increase rapidly for larger numbers of items. We investigated an efficient process used for judging small numbers of items (known as subitizing) in active touch. We hypothesized that this efficient process for numerosity judgment might be related to stimulus properties that allow for efficient (parallel) search. Our results showed that subitizing was not possible forraised lines among flat surfaces, whereas this type of stimulus could be detected in parallel over the fingers. However, subitizing was possible when the number of fingers touching a surface had to be judged while the other fingers were lowered in mid-air. In the latter case, the lack of tactile input is essential, since subitizing was not enabled by differences in proprioceptive information from the fingers. Our results show that subitizing using haptic information from the fingers is possible only whensome fingers receive tactile information while other fingers do not.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A01 01  1    @0 1943-3921
A03   1    @0 Atten. percept. psychophys.
A05       @2 73
A06       @2 5
A08 01  1  ENG  @1 Haptic subitizing across the fingers
A11 01  1    @1 PLAISIER (Myrthe A.)
A11 02  1    @1 SMEETS (Jeroen B. J.)
A14 01      @1 Faculty of Human Movement Sciences, VU University, Van der Boechorststraat 9 @2 1081 BT Amsterdam @3 NLD @Z 1 aut. @Z 2 aut.
A20       @1 1579-1585
A21       @1 2011
A23 01      @0 ENG
A43 01      @1 INIST @2 14257 @5 354000190456660220
A44       @0 0000 @1 © 2011 INIST-CNRS. All rights reserved.
A45       @0 1/2 p.
A47 01  1    @0 11-0333532
A60       @1 P
A61       @0 A
A64 01  1    @0 Attention, perception & psychophysics
A66 01      @0 USA
C01 01    ENG  @0 Numerosity judgments of small sets of items (< 3) are generally fast and errorfree, while response times and error rates increase rapidly for larger numbers of items. We investigated an efficient process used for judging small numbers of items (known as subitizing) in active touch. We hypothesized that this efficient process for numerosity judgment might be related to stimulus properties that allow for efficient (parallel) search. Our results showed that subitizing was not possible forraised lines among flat surfaces, whereas this type of stimulus could be detected in parallel over the fingers. However, subitizing was possible when the number of fingers touching a surface had to be judged while the other fingers were lowered in mid-air. In the latter case, the lack of tactile input is essential, since subitizing was not enabled by differences in proprioceptive information from the fingers. Our results show that subitizing using haptic information from the fingers is possible only whensome fingers receive tactile information while other fingers do not.
C02 01  X    @0 002A26E05
C03 01  X  FRE  @0 Sensibilité tactile @5 01
C03 01  X  ENG  @0 Tactile sensitivity @5 01
C03 01  X  SPA  @0 Sensibilidad tactil @5 01
C03 02  X  FRE  @0 Comptage @5 02
C03 02  X  ENG  @0 Counting @5 02
C03 02  X  SPA  @0 Contaje @5 02
C03 03  X  FRE  @0 Doigt @5 03
C03 03  X  ENG  @0 Finger @5 03
C03 03  X  SPA  @0 Dedo @5 03
C03 04  X  FRE  @0 Jugement @5 04
C03 04  X  ENG  @0 Judgment @5 04
C03 04  X  SPA  @0 Juicio @5 04
C03 05  X  FRE  @0 Etude expérimentale @5 05
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C03 05  X  SPA  @0 Estudio experimental @5 05
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C03 06  X  SPA  @0 Hombre @5 18
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C07 02  X  ENG  @0 Cognition @5 38
C07 02  X  SPA  @0 Cognición @5 38
N21       @1 227

Format Inist (serveur)

NO : PASCAL 11-0333532 INIST
ET : Haptic subitizing across the fingers
AU : PLAISIER (Myrthe A.); SMEETS (Jeroen B. J.)
AF : Faculty of Human Movement Sciences, VU University, Van der Boechorststraat 9/1081 BT Amsterdam/Pays-Bas (1 aut., 2 aut.)
DT : Publication en série; Niveau analytique
SO : Attention, perception & psychophysics; ISSN 1943-3921; Etats-Unis; Da. 2011; Vol. 73; No. 5; Pp. 1579-1585; Bibl. 1/2 p.
LA : Anglais
EA : Numerosity judgments of small sets of items (< 3) are generally fast and errorfree, while response times and error rates increase rapidly for larger numbers of items. We investigated an efficient process used for judging small numbers of items (known as subitizing) in active touch. We hypothesized that this efficient process for numerosity judgment might be related to stimulus properties that allow for efficient (parallel) search. Our results showed that subitizing was not possible forraised lines among flat surfaces, whereas this type of stimulus could be detected in parallel over the fingers. However, subitizing was possible when the number of fingers touching a surface had to be judged while the other fingers were lowered in mid-air. In the latter case, the lack of tactile input is essential, since subitizing was not enabled by differences in proprioceptive information from the fingers. Our results show that subitizing using haptic information from the fingers is possible only whensome fingers receive tactile information while other fingers do not.
CC : 002A26E05
FD : Sensibilité tactile; Comptage; Doigt; Jugement; Etude expérimentale; Homme
FG : Perception; Cognition
ED : Tactile sensitivity; Counting; Finger; Judgment; Experimental study; Human
EG : Perception; Cognition
SD : Sensibilidad tactil; Contaje; Dedo; Juicio; Estudio experimental; Hombre
LO : INIST-14257.354000190456660220
ID : 11-0333532

Links to Exploration step

Pascal:11-0333532

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