Humans' Pupillary Contagion Extends to Cats and Dogs

Axelsson, Emma L.Uppsala universitet,Institutionen för psykologi,School of Psychology, The University of Newcastle, Callaghan, 2308, Australia,Uppsala Child and Baby Lab (author)

When viewing pupil sizes change, our own pupil sizes change, a phenomenon known as pupillary contagion. This involuntary response is reliable between humans, but can be affected by familiarity and empathy. We investigated whether the pupillary contagion response occurs for humans viewing familiar species - cats and dogs - and whether it is modulated by preferences for particular species. Pupil sizes were measured while viewing cat, dog, and human images with small, medium, and large pupils. Trait empathy, cat and dog affiliation and experience were subsequently measured. There was an image pupil size effect, but this did not vary by species. There was greater pupil size change to cats and dogs than to humans, but this might have been due to the varying size and appearance of the cats and dogs. Greater dog affiliation was also associated with smaller overall pupil size change to dogs and larger change to humans, but this did not interact with image pupil size. Dog affiliation might be associated with less arousal to dog images. In sum, pupillary contagion responses indicate a spontaneous transfer of information about internal states and the findings suggest that humans are sensitive to this across species, regardless of individual preference.

Fawcett, ChristineUppsala universitet,Institutionen för psykologi,Uppsala Child and Baby Lab(Swepub:uu)chrfa980 (author)
Uppsala universitetInstitutionen för psykologi (creator_code:org_t)

In:Social Cognitive & Affective Neuroscience: Oxford University Press (OUP)16:1-2, s. 153-1661749-50161749-5024

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