Obsessive-Compulsive Disorder Clinical Trial
Official title:
A Translational Study of the Mechanisms of Exposure Therapy for Obsessions: Gradual vs. Variable Exposure Intensity
The current study sought to translate laboratory research on learning and memory to better understand the mechanisms and methods for implementing exposure therapy for unwanted obsessional thoughts. Specifically, we compared the processes and the short- and long-term outcomes of: (a) gradual exposure (EXP-G), emphasizing hierarchical exposure completion, versus (b) variable exposure (EXP-V), emphasizing variability in exposure intensity.
Although preliminary research suggests that learning to tolerate varying levels of fear during exposure enhances outcomes for some anxiety-related problems, no previous study has examined this possibility in the context of unwanted obsessions. Adults with a moderately distressing obsessional thought were randomly assigned to four twice-weekly sessions of either: (a) gradual exposure (EXP-G), emphasizing hierarchical exposure completion, or (b) variable exposure (EXP-V), emphasizing variability in exposure intensity. ;
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