Supplemental Material for Efficacy of a Two-Session Repetitive Negative Thinking-Focused Acceptance and Commitment Therapy (ACT) Protocol for Depression and Generalized Anxiety Disorder: A Randomized Waitlist Control Trial

Psychotherapy ◽  
2020 ◽  
2011 ◽  
Vol 42 (1) ◽  
pp. 127-134 ◽  
Author(s):  
Julie Loebach Wetherell ◽  
Lin Liu ◽  
Thomas L. Patterson ◽  
Niloofar Afari ◽  
Catherine R. Ayers ◽  
...  

2019 ◽  
Vol 7 (5) ◽  
pp. 969-981 ◽  
Author(s):  
Charlotte Krahé ◽  
Jessica Whyte ◽  
Livia Bridge ◽  
Sofia Loizou ◽  
Colette R. Hirsch

Worry and rumination, two forms of repetitive negative thinking (RNT), are prevalent in generalized anxiety disorder (GAD) and depression. Cognitive processing biases, especially the tendency to draw negative conclusions from ambiguous information (interpretation bias), may maintain worry and rumination. Yet the relationship between interpretation bias and both forms of RNT has not been explored in clinical versus nonclinical samples. In this cross-sectional study, participants with GAD ( n = 72), depression ( n = 79), or neither disorder ( n = 71) completed two tasks assessing interpretation bias, measures of worry and rumination, and reported negative thought intrusions during a behavioral task. Interpretation bias was associated with higher levels of worry, rumination, and negative thought intrusions. Both clinical groups generated significantly more negative interpretations than healthy comparison participants. These findings link interpretation bias to worry and rumination and establish the need for research investigating the causal role of interpretation bias in maintaining RNT.


2020 ◽  
Vol 8 (6) ◽  
pp. 1037-1045
Author(s):  
Sophie H. Li ◽  
Thomas F. Denson ◽  
Bronwyn M. Graham

Repetitive negative thinking (RNT) is a transdiagnostic feature of psychiatric disorders. Women report greater RNT than do men, yet the association between uniquely female characteristics, such as fluctuating sex hormones during the menstrual cycle, and RNT has not been established. Here we examined changes in RNT and anxiety symptoms across the menstrual cycle in women with ( n = 40) and without ( n = 41) generalized anxiety disorder (GAD). Women with GAD reported an increase in RNT and negative affect from the follicular phase to the luteal phase; unexpectedly, this was not associated with changes in anxiety symptoms, estradiol, or progesterone. Nonanxious women reported no changes in RNT or anxiety symptoms over the menstrual cycle, but higher within-participants progesterone was associated with reduced RNT and negative affect. These results indicate that uniquely female biological processes may influence core cognitive processes that underlie anxiety disorders, but further investigations to determine the implications for symptom severity are required.


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