Cracking the Repetitive Negative Thinking Code: Keys to Understanding Anxiety and Depression.

Area of Science:

• Psychology
• Clinical Psychology
• Cognitive Behavioral Therapy

Background:

• Cognitive components of anxiety and depression, such as worry, postevent processing (PEP), and rumination, are debated as either symptom-specific or transdiagnostic constructs.
• Repetitive negative thinking (RNT) is a proposed transdiagnostic construct.
• The relevance of RNT's process versus content to symptom severity requires further investigation.

Purpose of the Study:

• To investigate if transdiagnostic RNT explains additional variance in symptom severity compared to symptom-specific constructs (PEP, worry, rumination).
• To explore whether the content or process of RNT is more strongly associated with psychological symptom severity.
• To examine the relationship between RNT, PEP, worry, rumination, and overall symptom severity.

Main Methods:

• A study involving 646 undergraduates.
• Participants completed self-report measures assessing RNT, PEP, worry, rumination, and psychological symptom severity.
• Statistical analyses were used to determine the unique variance explained by RNT and its components.

Main Results:

• Transdiagnostic RNT explained additional variance in symptom severity beyond PEP, worry, or rumination, and vice versa.
• Both the content and process of RNT were significant predictors of greater psychological symptom severity.
• Both general and symptom-specific RNT content and process were associated with depression and anxiety symptom severity.

Conclusions:

• RNT is a valuable transdiagnostic construct in understanding anxiety and depression.
• Both the content and process of repetitive negative thinking contribute to psychological symptom severity.
• Interventions targeting both the content and process of RNT may be beneficial for reducing symptoms of anxiety and depression.