Mothers' pupillary responses to infant facial expressions.
Santeri YrttiahoDana NiehausEileen ThomasJukka M LeppänenPublished in: Behavioral and brain functions : BBF (2017)
The results show the feasibility of using pupil diameter as a marker of mothers' affective responses to ecologically valid infant stimuli and point to a particularly prompt maternal response to infant distress cues.