Fig. 1.

The visual task presented to the autism spectrum disorder (ASD) and control participants. The columns on the far left and right show the screens that participants saw for the 2 trial types with happy faces. In the left column, the happy face and probe are presented on different sides of the screen (incongruent). In the right column, the happy face and probe are presented on the same side of the screen (congruent). Participants also viewed sad–neutral, angry–neutral and neutral–neutral trials.