alexa Pain perception and nonsuicidal self-injury: a laboratory investigation.


Journal of Psychological Abnormalities

Author(s): Hooley JM, Ho DT, Slater J, Lockshin A, Hooley JM, Ho DT, Slater J, Lockshin A

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Abstract People who engage in self-injurious behaviors such as cutting and burning may have altered pain perception. Using a community sample, we examined group differences in pain threshold and pain endurance between participants who self-injured and control participants who were exposed to pressure pain applied to the finger. Participants who self-injured had higher pain thresholds (time to report pain) and endured pain for longer than control participants. Among participants who self-injured, those with longer histories of self-injury had higher pain thresholds. Duration of self-injury was unrelated to pain endurance. Instead, greater pain endurance was predicted by higher levels of introversion and neuroticism and by more negative beliefs about one's self-worth. A highly self-critical cognitive style was the strongest predictor of prolonged pain endurance. People who self-injure may regard suffering and pain as something that they deserve. Our findings also have implications for understanding factors that might be involved in the development and maintenance of self-injury. PsycINFO Database Record (c) 2010 APA, all rights reserved This article was published in Personal Disord and referenced in Journal of Psychological Abnormalities

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