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Behavioral models of binge-type eating.

Rebecca L Corwin1, Ariel Buda-Levin

  • 1Department of Nutritional Sciences, The Pennsylvania State University, 126 South Henderson, University Park, PA 16802, USA. rxc13@psu.edu

Physiology & Behavior
|July 6, 2004
PubMed
Summary

Animal models offer valuable insights into binge-type eating behaviors, despite their limitations. Researchers should consider various models, including sham feeding and operant conditioning, for a comprehensive understanding.

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Area of Science:

  • Behavioral science
  • Animal modeling
  • Eating disorders research

Background:

  • Binge-type eating is a complex behavior with significant implications for health.
  • Understanding the underlying mechanisms requires robust and valid models.
  • Existing research has explored various approaches to modeling binge eating.

Purpose of the Study:

  • To systematically describe and evaluate existing behavioral models of binge-type eating.
  • To assess the validity, simplicity, and cost-effectiveness of different models.
  • To provide a comparative overview of available research tools.

Main Methods:

  • Comprehensive literature search using Medline and bibliography cross-referencing.
  • Selection of isomorphic studies demonstrating construct validity.

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  • Assessment of face validity, construct validity, simplicity, and cost of each model.

    • Main Results:

    • Multiple behavioral models for binge-type eating have been identified.
    • Models include sham feeding, restriction/refeeding cycles, stress-induced eating, limited food access, and operant conditioning schedules.
    • Each model exhibits varying strengths in terms of validity and practical application.

    Conclusions:

    • Animal models are indispensable tools for studying binge-type eating, despite inherent limitations.
    • The choice of model depends on specific research questions and desired outcomes.
    • A balanced perspective acknowledges both the necessity and the challenges of using animal models in this field.