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An integrative evolutionary framework for psychopathology.

Marco Del Giudice1, John D Haltigan2,3

  • 1Department of Psychology, University of New Mexico, Albuquerque, NM, USA.

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Summary
This summary is machine-generated.

This study introduces the fast-slow-defense (FSD) model, integrating life history theory with psychopathology. The FSD model explains mental disorder comorbidity and individual differences, offering a new framework for understanding mental health.

Keywords:
comorbidityevolutionary psychiatryevolutionary psychopathologyheterogeneitylife history strategiesp factortransdiagnostic models

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Area of Science:

  • Psychopathology
  • Evolutionary Psychology
  • Behavioral Biology

Background:

  • Current psychopathology models often lack a broad biological function understanding.
  • Theoretical models of mental disorders are gaining renewed interest.
  • Existing proposals tend to focus on proximate analysis levels.

Purpose of the Study:

  • To present an integrative framework for mental disorders using life history theory.
  • To introduce the fast-slow-defense (FSD) model and its taxonomy.
  • To integrate psychopathology with normative individual differences in personality and behavior.

Main Methods:

  • Utilizing concepts from life history theory to build a novel framework.
  • Developing a taxonomy of mental disorders based on life history principles (FSD model).
  • Employing simulation work to test the model's explanatory power for comorbidity.

Main Results:

  • The FSD model successfully explains the large-scale structure of comorbidity.
  • The model accounts for the emergence of a general psychopathology factor ('p factor').
  • A life history approach offers insights into environmental factors and developmental trajectories.

Conclusions:

  • The FSD model provides an integrative framework for understanding mental disorders.
  • This approach bridges psychopathology with normative individual differences.
  • Life history theory offers novel perspectives on risk factors and developmental pathways in mental disorders.