Approach-avoidance, attentional and evaluation biases in hair pulling disorder and their relationship with symptom severity
Number of pages
SourceJournal of Cognitive Psychology, 30, 7, (2018), pp. 743-753
Article / Letter to editor
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SW OW PsKI [owi]
SW OZ BSI KLP
Journal of Cognitive Psychology
SubjectExperimental Psychopathology and Treatment
The present study examined approach-avoidance, attentional and evaluation biases in Hair Pulling Disorder (HPD). Although none of the tasks showed indications of biased action tendencies in response to hair pulling-related pictures, or biased attention for hair pulling-related words, we found that patients were slower to react to hair pulling-related stimuli than to neutral stimuli. This slowing down may indicate that patients are ambivalent towards hair pulling. This 'ambivalence' positively correlated with HPD symptom severity, but only on one of the three severity measures we assessed. Concerning action tendencies towards hair pulling-related words, patients were, however, faster to react to hair pulling-related words when compared to words related to resisting hair pulling. Future research is needed to disentangle this ambivalent response pattern in HPD.
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