Examples of stimuli used in eye tracking studies of young children with ASD. A) Stimulus used to study semi-naturalistic scene viewing, in this case during observation of other children’s interactions. B) Stimulus used to study visual preference, in this case for biological motion and audiovisual synchrony. C) Stimulus used to study gaze/point following, key components of joint attention. Reproduced with permission from ref. , refs. [74, 110], and ref. . ASD, autism spectrum disorder.