期刊
PERSONALITY AND INDIVIDUAL DIFFERENCES
卷 54, 期 6, 页码 732-737出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.paid.2012.11.027
关键词
Impulsivity; Intolerance of uncertainty; Worry; Generalized anxiety disorder
Few studies have examined the association between impulsivity and generalized anxiety disorder (GAD). This study examined whether individuals with probable GAD display impulsivity in a particular way, and the extent to which impulsivity uniquely predicts GAD severity and GAD status, over and above intolerance of uncertainty MA a key cognitive factor in GAD. Individuals with (n = 63) and without (n = 77) probable GAD completed self-report measures of impulsivity and IU. Results revealed that elevations in the severity of GAD symptoms and in IU were associated with impulsive actions in the face of negative affect (i.e., negative urgency), but also greater premeditation and lower functional impulsivity (i.e., the ability to take quick action when it is advantageous to do so). Impulsivity led to an increment in the prediction of GAD symptoms and GAD status, over and above IU. Negative urgency and lower functional impulsivity were significant unique predictors of GAD severity or GAD status. The findings highlight a need to consider impulsivity in theories that implicate intolerance of negative affect and uncertainty in excessive and uncontrollable worry. (C) 2012 Elsevier Ltd. All rights reserved.
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