Fig. 6

Relationship between the RCPM score and the fixation-duration proportion. a Face, b butterfly, and c object stimuli for the target-present and face-present conditions (WS and MA groups). We found a significant negative correlation between RCPM score and the fixation-duration proportion for the target-unrelated face stimuli, but not for the butterfly or object stimuli. WS Williams syndrome group, MA mental age-matched group, CA chronological age-matched group