Figure 1.

Experimental procedure in Experiment 1. A fixation point appeared either in the middle of the upper or the lower half of the screen for 600 ms. A self-face of the participant then appeared in the same position of the fixation point. At 750 ms after the appearance of the self-face, an emotional (positive or negative) picture was presented at the center of the screen (2500 ms). The self-face can be moved downward by pressing the “2” key and can be moved upward by pressing “8” key. Participants were instructed to move the self-face close to or away from the picture. All illustrations disappeared 500 ms after key press. The inter-trial interval was 1500 ms.