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Titolo:
Perception of a stepping-across affordance
Autore:
Cornus, S; Montagne, G; Laurent, M;
Indirizzi:
Univ Mediterranee, Fac Sci Sport, UMR Mouvement & Percept, F-13288 Marseille, France Univ Mediterranee Marseille France F-13288 pt, F-13288 Marseille, France
Titolo Testata:
ECOLOGICAL PSYCHOLOGY
fascicolo: 4, volume: 11, anno: 1999,
pagine: 249 - 267
SICI:
1040-7413(1999)11:4<249:POASA>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERCEIVING AFFORDANCES; SCALED INFORMATION; VISUAL GUIDANCE; PATH GAPS; WALKING; POSTURE; BALLS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Montagne, G Univ Mediterranee, Fac Sci Sport, UMR Mouvement & Percept, 163Ave Luminy,CP 910, F-13288 Marseille, France Univ Mediterranee 163 Ave Luminy,CP 910 Marseille France F-13288
Citazione:
S. Cornus et al., "Perception of a stepping-across affordance", ECOL PSYCH, 11(4), 1999, pp. 249-267

Abstract

In this study, we investigated the information that is necessary to perceive the stepping-across affordance of a given obstacle. The first experimentinvolved 2 tasks where participants had to judge the step-acrossability ofan obstacle and then physically step across an obstacle under 2 different visual conditions (binocular and monocular). The results of this Ist experiment suggest that monocular information was sufficient to perceive the stepping across affordance of an obstacle. In the 2nd experiment, however, we questioned the role of movement in the actor-environment system on the ability to perceive affordances. This experiment consisted of 3 different tasks. The Ist involved participants physically stepping across an obstacle, the 2nd involved participants judging the step-acrossability of an obstacle this time in a fixed stationary position, and the 3rd involved participants judging the step-acrossability of an obstacle when moving towards the given obstacle. In short, our results show that the participants' ability to perceive their own action boundaries is dependent on a strict coupling between perception and movement.

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Documento generato il 21/09/20 alle ore 16:05:50