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Disgust is among the least studied of the basic emotions. This inattention may follow from something threatening about the disgust emotion. Unlike shame, another once-neglected emotion, disgust seldom cause deep pain, so qualities other than painfulness must account for its neglect. The essence of disgust is rejection of contact and the field has responded to the emotion by rejecting contact. This behavior makes sense to disgust researchers in that a basic rule of the emotion is the rule of contamination: contact with the disgusting makes one disgusting.
Susan Miller (Fri,) studied this question.
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