Differences in emotions and cognitions experienced in contamination aversion

Melissa Rouel*, Richard J. Stevenson, Josephine Milne-Home, Evelyn Smith

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

A current model of contamination aversion suggests that it has distinct affective and cognitive components that interact to respond to threats. The affective component involves disgust and responds preferentially to direct contaminants (e.g., feces). The cognitive component involves obsessive beliefs and responds preferentially to indirect contaminants (e.g., money). This study examined characteristics of the two components by comparing emotional and cognitive responses to different contaminants. In total, 47 participants completed behavioral avoidance tasks with direct, indirect, and harmful contaminants. Participants rated their disgust, fear of contamination, and threat estimation while in contact with each contaminant. The contaminants produced different emotional and cognitive responses, suggesting the differential involvement of affective and cognitive factors depending on the type of threat. Additionally, it was found that disgust did not habituate over time in contact with contaminants, whereas fear of contamination and threat estimation appeared to decline. Clinical and theoretical implications are discussed.

Original languageEnglish
Pages (from-to)1-13
Number of pages13
JournalJournal of experimental psychopathology
Volume9
Issue number3
DOIs
Publication statusPublished - 1 Jul 2018

Bibliographical note

Copyright the Author(s) 2018. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • contamination aversion
  • disgust
  • exposure therapy
  • obsessive beliefs
  • threat overestimation

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