The perceptual support of goal-directed displacement is context-dependent.
This study investigates the perceptual-motor organisation underlying the control of goal-directed displacement. We used a virtual reality set-up to study the locomotor interception of a moving ball. Subjects had to intercept moving balls by modifying displacement velocity if necessary, while the ball's place of arrival and the environment were manipulated. The results showed that subjects simultaneously managed multiple sources of information and placed priority on the most salient variables, depending on the task and environmental constraints.
Bastin
Julien
J
Faculté des Sciences du Sport, Université de la Méditerranée, UMR Mouvement et Perception 163 Avenue de Luminy CP 910, 13288 Marseille Cedex 9, France.
Montagne
Gilles
G
D006040:Goals; D006801:Humans; D009039:Motion Perception / Q000502:physiology*; D010775:Photic Stimulation; D014796:Visual Perception / Q000502:physiology*