Fig. 1

Behavioral paradigm. The task consisted of eight blocks—half contained social stimuli (pictures of eyes during emotional expression, see example above the line) and the other half contained non-social stimuli (pictures of vehicles, see example below the line). Trials began with a fixation cross (500 ms). Next, an image appeared for approximately one second, followed by a single word. Participants were asked to decide whether the word described the image. The three dots at the end of each row mark the continuity of the block