Recent developments include clarification of the role of distinct disgust-relevant vulnerabilities in the etiology of anxiety and OCD, an improved understanding of the neurobiology of disgust processing in OCD, and an increased focus on disgust-related mechanisms that contribute to psychopathology, such as disgust-based learning and emotion regulation. Disgust proneness is increasingly linked with symptoms of anxiety and OCD. However, further examination of the mechanisms that account for the roles of distinct disgust-relevant vulnerabilities is needed, and studies that directly examine disgust during the course of treatment are limited. Increasingly, the field has moved toward experimental investigation of specific disgust-relevant mechanisms that influence the etiology and treatment of OCD and related anxiety disorders.

Highlights Pre-pandemic disgust proneness predicts coronavirus anxiety and safety behaviors. Effect moderated by current perceived stress. Highest anxiety response in those with high disgust proneness and current stress. Disgust proneness may contribute to maladaptive anxiety responses to the pandemic.

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Although anger has been observed in obsessive-compulsive disorder (OCD), it remains unclear if rumination about anger is characteristic and/or unique to OCD. The present study examines whether types of anger rumination are endorsed more strongly by OCD patients compared to clinical and nonclinical controls. Patients with OCD (n = 30), generalized anxiety disorder (GAD; n = 29), and non-clinical controls (NCC; n = 30) completed measures of OCD symptoms, anger rumination, and trait anxiety. Patients with OCD and GAD significantly differed from NCC's (all ps < .001), but not each other (all ps > .10), in anger afterthoughts, thoughts of revenge, angry memories, and understanding causes of anger. However, the group differences were no longer significant when controlling for trait anxiety. A dimensional approach revealed that OCD symptoms were correlated with anger rumination domains overall. However, these associations were also no longer significant after controlling for trait anxiety. These findings suggest that anger rumination may emerge in OCD largely as an artifact of trait anxiety/negative affect that is associated with but not unique to the disorder. The implications of these findings for conceptualizing emotion and its regulation in OCD are discussed.