Représentation et action : l'exemple du contrôle des déplacements locomoteurs
Institution:
Aix-Marseille 1Disciplines:
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Abstract EN:
Links between representative processes and action are studied in a locomotor displacement situation in the momentary absence of vision. It has been known since thomson (1980), that in this case, representations of space replace the visual information in order to carry out the control of the action. But little is known about the nature, shape and content of these representations, nor about the conditions in which they are put into practice. Different hypotheses are envisaged and evaluated by an experimental approach. Results presented suggest that the representation used portrays space as it would be perceived, that is, in perspective and in movement. In addition, the effective realization of locomotion seems to facilitate this type of representation. Inter-individual differences have been observed.
Abstract FR:
Les liens entre processus representatifs et action sont etudies chez l'homme dans une tache de deplacement locomoteur en l'absence momentanee de vision. On sait, depuis thomson (1980) que, dans ce cas, des representations de l'espace viennent suppleer aux informations visuelles pour assurer le controle de l'action. Mais on connait peu de choses sur la nature, la forme et le contenu de ces representations, ni sur les conditions de leur mise en oeuvre. Differentes hypotheses sont envisagees puis evaluees par une approche experimentale. Les resultats des travaux presentes suggerent que la representation utilisee figure l'espace tel qu'il serait percu, c'est-a-dire en perspective et en mouvement. La realisation effective de la locomotion semble, en outre, faciliter ce type de representation. Des differecdes differences interindividuelles ont ete observees.