'Our results demonstrate that small changes in perceived eye morphology impact behaviour and affective responses,' the researchers said, highlighting the importance of eye characteristics in social perception.
'Despite the tight link between the visibility of the iris and pupil, the perceived effects of these two have been studied largely in isolation,' the researchers emphasized, indicating a gap in previous studies.
In their study, the team set out to understand whether changes to both the pupil and iris influence how we're judged, suggesting a comprehensive approach to eye morphology.
Researchers found that animals with bright irises and large pupils were rated as more attractive and friendly, showing that eye features significantly affect social evaluations.
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