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The Role of Vision in the Corsi Block-Tapping Task: Evidence From Blind and Sighted People

Identifieur interne : 000697 ( PascalFrancis/Corpus ); précédent : 000696; suivant : 000698

The Role of Vision in the Corsi Block-Tapping Task: Evidence From Blind and Sighted People

Auteurs : Gennaro Ruggiero ; Tina Iachini

Source :

RBID : Francis:10-0434134

Descripteurs français

English descriptors

Abstract

Objective: This study aims at adapting the Corsi Block-Tapping task to measure serial-spatial memory in blind people and at clarifying the role of visual experience in the task. Method: Congenitally blind, adventitiously blind, and blindfolded sighted people were compared on a version of the Corsi board that allowed the haptic perception of block positions (Haptic-Corsi). Participants placed their fingers on the blocks that the experimenter moved upward according to sequences of increasing length. Afterward, participants reproduced the sequences in forward/backward order. Results: The results showed a significant interaction between groups and forward/backward span: F(2, 58) = 5.74, MSE = .39, p < .01, η2 = .16. In forward order the memory span was higher in adventitiously blind participants than blindfolded sighted (p < .05) but not congenitally blind participants. In backward order, there were no significant differences. Conclusions: The good performance of blind people, especially adventitiously ones, was interpreted as evidence that sequential haptic inputs were organized spatially. The possible cognitive processes underlying the performance were discussed.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11 01  1    @1 RUGGIERO (Gennaro)
A11 02  1    @1 IACHINI (Tina)
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Format Inist (serveur)

NO : FRANCIS 10-0434134 INIST
ET : The Role of Vision in the Corsi Block-Tapping Task: Evidence From Blind and Sighted People
AU : RUGGIERO (Gennaro); IACHINI (Tina)
AF : Second University of Naples/Italie (1 aut., 2 aut.)
DT : Publication en série; Courte communication, note brève; Niveau analytique
SO : Neuropsychology; ISSN 0894-4105; Etats-Unis; Da. 2010; Vol. 24; No. 5; Pp. 674-679; Bibl. 3/4 p.
LA : Anglais
EA : Objective: This study aims at adapting the Corsi Block-Tapping task to measure serial-spatial memory in blind people and at clarifying the role of visual experience in the task. Method: Congenitally blind, adventitiously blind, and blindfolded sighted people were compared on a version of the Corsi board that allowed the haptic perception of block positions (Haptic-Corsi). Participants placed their fingers on the blocks that the experimenter moved upward according to sequences of increasing length. Afterward, participants reproduced the sequences in forward/backward order. Results: The results showed a significant interaction between groups and forward/backward span: F(2, 58) = 5.74, MSE = .39, p < .01, η2 = .16. In forward order the memory span was higher in adventitiously blind participants than blindfolded sighted (p < .05) but not congenitally blind participants. In backward order, there were no significant differences. Conclusions: The good performance of blind people, especially adventitiously ones, was interpreted as evidence that sequential haptic inputs were organized spatially. The possible cognitive processes underlying the performance were discussed.
CC : 770B06G01; 770B14D
FD : Mémoire de travail; Mémoire spatiale; Tâche tapping; Cécité; Empan mnémonique; Sensibilité tactile; Perception; Homme
FG : Cognition; Motricité; Pathologie de l'oeil; Trouble de la vision
ED : Working memory; Spatial memory; Tapping task; Blindness; Memory span; Tactile sensitivity; Perception; Human
EG : Cognition; Motricity; Eye disease; Vision disorder
SD : Memoria trabajo; Memoria espacial; Tarea sangría; Ceguera; Extensión mnemónica; Sensibilidad tactil; Percepción; Hombre
LO : INIST-26471.354000194256520140
ID : 10-0434134

Links to Exploration step

Francis:10-0434134

Le document en format XML

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<sup>2</sup>
= .16. In forward order the memory span was higher in adventitiously blind participants than blindfolded sighted (p < .05) but not congenitally blind participants. In backward order, there were no significant differences. Conclusions: The good performance of blind people, especially adventitiously ones, was interpreted as evidence that sequential haptic inputs were organized spatially. The possible cognitive processes underlying the performance were discussed.</EA>
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   |texte=   The Role of Vision in the Corsi Block-Tapping Task: Evidence From Blind and Sighted People
}}

Wicri

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