Citation

Hasbroucq T, Possamaï CA. Can. J. Exp. Psychol. 1995; 49(3): 349-356.

Affiliation

Laboratoire de Neurosciences Cognitives, CNRS, Marseille, Occitanie, France. thierry@inf.cnrs-mrs.fr

Copyright

(Copyright © 1995, Canadian Psychological Association)

DOI

unavailable

PMID

9183979

Abstract

Reaction time (RT) is shorter when the irrelevant location of the stimulus corresponds to the relevant location of the response: When a subject is to perform a left or right keypress according to the colour of a stimulus delivered either to the left or to the right of a fixation, RT is typically shorter when the location of the stimulus corresponds to the location of the response (e.g., left stimulus/left response) than when it does not (e.g., left stimulus/right response). Umiltà and Nicoletti (1990) have suggested that this effect, known as the ¿Simon effect' in the literature, occurred at the response selection stage, a stage whose duration depends on the effectors used to perform the task. In the present study, this effect and that of the finger response repertoire (within- versus between-hand composition) were found to be additive, which does not support the response selection hypothesis of the Simon effect.

Language: en