🧠

Cognitive Explanation For Depression

May 6, 2025

Theory: Faulty Thinking

Beck's Negative Triad

  • Concept: People with depression are trapped in a cycle of negative thoughts.
  • Components:
    • Negative view of themselves
    • Negative view of the world
    • Negative view of the future
  • Development: Arises from negative past experiences leading to negative self and social schemas.
  • Magnification: Problems are perceived as bigger than they are.

Beck’s Six Types of Faulty Thinking

  1. Arbitrary Inference: Drawing conclusions with little/no evidence (e.g., assuming infidelity from a delayed text response).
  2. Dichotomous Thinking: Viewing situations in black-and-white terms (e.g., success or failure).
  3. Magnification: Overestimating the significance of negative events.
  4. Overgeneralization: Applying one incident to all similar incidents.
  5. Personalization: Assuming others' actions are intended to hurt/humiliate.
  6. Selective Abstraction: Focusing on a single piece of information, ignoring the broader context.

Study 1: Alloy et al (1999)

Aims

  • Investigate the correlation between negative thoughts and the development of depression.

Sample

  • Non-depressed college freshmen, half with a history of depression.

Procedure

  • Cognitive style assessment categorized students as high-risk (HR) or low-risk (LR).
  • Follow-up assessments over several years using surveys/interviews.

Results

  • HR students without depression history: 17% developed Major Depressive Disorder (MDD) vs. 1% of LR.
  • HR students with depression history: 27% relapsed vs. 6% of LR.
  • HR groups processed negative information faster and recalled it better than positive information.

Conclusion

  • Negative thinking patterns correlate with a higher likelihood of developing depression.
  • Cognitive style is crucial in predicting depression onset and relapse.

Evaluation

  • Cultural Limitation: Sample limits cultural generalizability.
  • Reliability: Longitudinal design strengthens findings.
  • Bias: Reliance on self-report measures may introduce biases.
  • Theory Limitation: Does not account for environmental or biological influences.

Study 2: Joiner et al (1996)

Aims

  • Explore the role of depressive vs. anxious thinking in depression's onset.

Sample

  • 119 American university students.

Procedure

  • Natural experiment with stressor as mid-term exams.
  • Assessed using three tests: DAS, CCL, BDI.

Results

  • Increase in BDI scores linked to high DAS scores only if exams were failed.
  • No correlation between anxiety and BDI score increase.

Conclusion

  • Highlights the role of negative cognitive styles in depression.
  • Suggests other factors may also contribute to depression onset.

Evaluation

  • Ecological Validity: Real-life stressor used enhances ecological validity.
  • Sample Limitation: University population may limit diversity.

Implications for Beck’s Theory

  • Reinforces the importance of addressing negative cognitive patterns in therapy.
  • Supports CBT principles focused on modifying maladaptive thoughts.
  • Practical application in clinical practice for depression treatment.
  • Emphasizes targeted therapies for youth to potentially lower depression prevalence rates.