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  • Frequency and recency of infection and their relationship with disgust and contamination sensitivity

    Author(s)
    Stevenson, Richard J
    Case, Trevor I
    Oaten, Megan J
    Griffith University Author(s)
    Oaten, Megan
    Year published
    2009
    Metadata
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    Abstract
    Both disgust and contamination sensitivity likely evolved to protect us from infectious disease. Paradoxically, disgust may be reduced by frequent exposure to disgust-inducing cues - cues most likely to occur in disease-rich environments. In this study, we examined whether more frequent or recent illness might act to reverse this process. To test this, we surveyed 616 adults, obtaining illness frequency and recency data, disgust and contamination sensitivity, and a variety of control measures. Heightened contamination sensitivity was associated with more frequent infectious illness, but not with recency of infection. We also ...
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    Both disgust and contamination sensitivity likely evolved to protect us from infectious disease. Paradoxically, disgust may be reduced by frequent exposure to disgust-inducing cues - cues most likely to occur in disease-rich environments. In this study, we examined whether more frequent or recent illness might act to reverse this process. To test this, we surveyed 616 adults, obtaining illness frequency and recency data, disgust and contamination sensitivity, and a variety of control measures. Heightened contamination sensitivity was associated with more frequent infectious illness, but not with recency of infection. We also found that participants who had heightened contamination sensitivity and who were also more disgust sensitive had significantly fewer recent infections. These findings suggest that frequent illness may up-regulate contamination sensitivity potentially counteracting the effects of exposure on disgust. More importantly, these data provide the first direct evidence of a protective effect of contamination and disgust, against infectious disease.
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    Journal Title
    Evolution and Human Behavior
    Volume
    30
    Issue
    5
    DOI
    https://doi.org/10.1016/j.evolhumbehav.2009.02.005
    Subject
    Anthropology
    Cognitive and computational psychology
    Publication URI
    http://hdl.handle.net/10072/61455
    Collection
    • Journal articles

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