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External and body-centered frames of reference in spatial memory: Evidence from touch

Identifieur interne : 001048 ( PascalFrancis/Corpus ); précédent : 001047; suivant : 001049

External and body-centered frames of reference in spatial memory: Evidence from touch

Auteurs : Susanna Millar ; Zainab Al-Attar

Source :

RBID : Pascal:04-0199802

Descripteurs français

English descriptors

Abstract

The study reports independent effects of external and body-centered reference cues on spatial coding of an irregular sequence of haptic locations. The aim was to investigate the nature of spatial coding by using a modality that does not provide distal cues routinely. Our method isolates and combines body-centered and external spatial reference cues for irregularly placed locations, scanned along a raised-line route. Disrupting body-centered reference for the locations, by orienting the map differently to the body in the test phase than in the presentation phase, doubled errors in positioning the locations along the route in recall. Adding external reference, by giving instructions to use a surrounding frame for reference when body-centered coding was disrupted, reduced errors to near baseline (no-rotation) levels. Adding external reference cues to intact (not displaced) body-centered reference halved errors, as compared with the baseline. The results are consistent with the hypothesis that accurate spatial coding is determined by the congruence of potential reference cues from diverse sources. The new findings suggest that external and body-centered reference cues have independent additive effects on spatial coding. The sequence of locations had a significant effect in all the reference conditions, suggesting the additional use of fortuitous but distinctive local touch cues on the route. The discussion considers theoretical and practical implications of the results.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0031-5117
A02 01      @0 PEPSBJ
A03   1    @0 Percept. psychophys.
A05       @2 66
A06       @2 1
A08 01  1  ENG  @1 External and body-centered frames of reference in spatial memory: Evidence from touch
A11 01  1    @1 MILLAR (Susanna)
A11 02  1    @1 AL-ATTAR (Zainab)
A14 01      @1 University of Oxford @2 Oxford @3 GBR @Z 1 aut. @Z 2 aut.
A20       @1 51-59
A21       @1 2004
A23 01      @0 ENG
A43 01      @1 INIST @2 14257 @5 354000113571500040
A44       @0 0000 @1 © 2004 INIST-CNRS. All rights reserved.
A45       @0 54 ref.
A47 01  1    @0 04-0199802
A60       @1 P
A61       @0 A
A64 01  1    @0 Perception & psychophysics
A66 01      @0 USA
C01 01    ENG  @0 The study reports independent effects of external and body-centered reference cues on spatial coding of an irregular sequence of haptic locations. The aim was to investigate the nature of spatial coding by using a modality that does not provide distal cues routinely. Our method isolates and combines body-centered and external spatial reference cues for irregularly placed locations, scanned along a raised-line route. Disrupting body-centered reference for the locations, by orienting the map differently to the body in the test phase than in the presentation phase, doubled errors in positioning the locations along the route in recall. Adding external reference, by giving instructions to use a surrounding frame for reference when body-centered coding was disrupted, reduced errors to near baseline (no-rotation) levels. Adding external reference cues to intact (not displaced) body-centered reference halved errors, as compared with the baseline. The results are consistent with the hypothesis that accurate spatial coding is determined by the congruence of potential reference cues from diverse sources. The new findings suggest that external and body-centered reference cues have independent additive effects on spatial coding. The sequence of locations had a significant effect in all the reference conditions, suggesting the additional use of fortuitous but distinctive local touch cues on the route. The discussion considers theoretical and practical implications of the results.
C02 01  X    @0 002A26F05A
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C03 02  X  ENG  @0 Spatial memory @5 02
C03 02  X  SPA  @0 Memoria espacial @5 02
C03 03  X  FRE  @0 Sensibilité tactile @5 04
C03 03  X  ENG  @0 Tactile sensitivity @5 04
C03 03  X  SPA  @0 Sensibilidad tactil @5 04
C03 04  X  FRE  @0 Perception @5 09
C03 04  X  ENG  @0 Perception @5 09
C03 04  X  SPA  @0 Percepción @5 09
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C03 05  X  SPA  @0 Cognición @5 10
C03 06  X  FRE  @0 Homme @5 11
C03 06  X  ENG  @0 Human @5 11
C03 06  X  SPA  @0 Hombre @5 11
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N82       @1 PSI

Format Inist (serveur)

NO : PASCAL 04-0199802 INIST
ET : External and body-centered frames of reference in spatial memory: Evidence from touch
AU : MILLAR (Susanna); AL-ATTAR (Zainab)
AF : University of Oxford/Oxford/Royaume-Uni (1 aut., 2 aut.)
DT : Publication en série; Niveau analytique
SO : Perception & psychophysics; ISSN 0031-5117; Coden PEPSBJ; Etats-Unis; Da. 2004; Vol. 66; No. 1; Pp. 51-59; Bibl. 54 ref.
LA : Anglais
EA : The study reports independent effects of external and body-centered reference cues on spatial coding of an irregular sequence of haptic locations. The aim was to investigate the nature of spatial coding by using a modality that does not provide distal cues routinely. Our method isolates and combines body-centered and external spatial reference cues for irregularly placed locations, scanned along a raised-line route. Disrupting body-centered reference for the locations, by orienting the map differently to the body in the test phase than in the presentation phase, doubled errors in positioning the locations along the route in recall. Adding external reference, by giving instructions to use a surrounding frame for reference when body-centered coding was disrupted, reduced errors to near baseline (no-rotation) levels. Adding external reference cues to intact (not displaced) body-centered reference halved errors, as compared with the baseline. The results are consistent with the hypothesis that accurate spatial coding is determined by the congruence of potential reference cues from diverse sources. The new findings suggest that external and body-centered reference cues have independent additive effects on spatial coding. The sequence of locations had a significant effect in all the reference conditions, suggesting the additional use of fortuitous but distinctive local touch cues on the route. The discussion considers theoretical and practical implications of the results.
CC : 002A26F05A
FD : Etude expérimentale; Mémoire spatiale; Sensibilité tactile; Perception; Cognition; Homme
ED : Experimental study; Spatial memory; Tactile sensitivity; Perception; Cognition; Human
SD : Estudio experimental; Memoria espacial; Sensibilidad tactil; Percepción; Cognición; Hombre
LO : INIST-14257.354000113571500040
ID : 04-0199802

Links to Exploration step

Pascal:04-0199802

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