Figure 1.

Experimental design. (A) Example of an actor under the eight experimental conditions. (B) Time course for one trial. Before stimuli presentation, a central fixation area was presented for 500 ms to focus the participant's attention on the actor's face. The initial position was then presented for 300 to 600 ms before the apparition of a second photograph creating an apparent movement of the actor. The second photograph remained for 1,300 ms before the appearance of the response screen.