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Visual Attention Is Not Attuned to Non-Human Animal Targets’ Pathogenicity: An Evolutionary Mismatch Perspective
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Description: A considerable amount of research has revealed that there exists an evolutionary mismatch between ancestral environments and conditions following the rise of agriculture regarding the contact between humans and animal reservoirs of infectious diseases. Based on this evolutionary mismatch framework, we examined whether visual attention exhibits adaptive attunement toward animal targets’ pathogenicity. Consistent with our predictions, faces bearing heuristic infection cues held attention to a greater extent than animal vectors of zoonotic infectious diseases. Moreover, the results indicated that attention showed a specialized vigilance toward processing facial cues connoting the presence of infectious diseases, whereas it was allocated comparably between animal disease vectors and disease-irrelevant animals. On the other hand, the pathogen salience manipulation employed to amplify the participants’ contextual-level anti-pathogen motives did not moderate the selective allocation of attentional resources. In light of the fact that visual attention seems poorly equipped to detect and encode animals’ zoonotic transmission risk, the utilization of culturally learned anti-pathogen defenses may reduce reliance on evolved disease avoidance strategies and play a compensatory role in the prevention of future zoonotic infectious diseases and global outbreaks.