Related Experiment Video
Updated: Jun 6, 2026

Animal Models of Depression - Chronic Despair Model (CDM)
Published on: September 23, 2021
Relationship between mental states in depression: the assimilation model perspective.
Katerine Osatuke1, William B Stiles, Michael Barkham
1Veterans Health Administration National Center for Organization Development, Ste 230, 11500 Northlake Drive, Cincinnati, OH 45249, USA. Katerine.Osatuke@va.gov
This study explored mental self-states in depression using the assimilation model. Findings indicate a conflict between submissive and dominant self-states in depressed individuals, aligning with the model's predictions.
Area of Science:
- Psychology
- Psychotherapy Research
Background:
- Metacognitive theories examine self-states and their reflective relationships.
- The assimilation model conceptualizes self-states from integrated experience traces.
- Psychological issues arise from impaired self-state accessibility and distress.
Purpose of the Study:
- To apply the assimilation framework to understand self-states in depression.
- To qualitatively describe self-states and their relational patterns in depressed clients.
- To explore the internal dynamics of self-states within the context of cognitive-behavioral therapy.
Main Methods:
- Exploratory study involving 17 clients in a cognitive-behavioral therapy trial for depression.
- Analysis of 1-hour psychotherapy session transcripts per client.
- Qualitative description and systematic integration of self-states by three expert raters.
Main Results:
- Identified a consistent conflict between internally incompatible self-states in all clients.
- Observed a pattern of interpersonally submissive versus dominant self-states.
- This pattern aligns with the assimilation model's theoretical framework for depression.
Conclusions:
- The assimilation model provides a useful framework for understanding self-state dynamics in depression.
- Internal conflict between submissive and dominant self-states may characterize depression.
- Further research can validate these findings in clinical populations.
Related Concept Videos
Depression: Overview
Depressive Disorders: Etiology
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
The Influence of Cognition on Affect
Cognitive Therapy
Self-Evaluation Maintenance Model
Self-Discrepancy and Its Effects

