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Dieting, dietary restraint and cognitive performance

P J Rogers1, M W Green

  • 1Consumer Sciences Department, AFRC Institute of Food Research, Reading Laboratory, UK.

The British Journal of Clinical Psychology
|February 1, 1993
PubMed
Summary

Dietary restraint and active dieting in female students correlate with increased body image concerns. Dieting also negatively impacts cognitive task performance, suggesting a distinction between restraint and dieting behavior is crucial.

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Area of Science:

  • Psychology
  • Behavioral Science
  • Cognitive Science

Background:

  • Dietary restraint is a common behavior among individuals concerned with body weight.
  • The relationship between self-reported restraint, active dieting, and psychological well-being requires further clarification.

Purpose of the Study:

  • To investigate the association between dietary restraint, current dieting behavior, and concerns about eating, body weight, and shape.
  • To examine the impact of dieting on cognitive functioning in female undergraduates.

Main Methods:

  • A volunteer sample of female undergraduates completed self-report measures of dietary restraint.
  • Participants were categorized into dieting and non-dieting groups based on current weight loss behaviors.
  • Cognitive task performance was assessed in dieting and non-dieting subjects.

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Main Results:

  • Self-reported dietary restraint positively correlated with concerns regarding eating, body weight, and shape.
  • Subjects actively dieting exhibited greater concerns than equally restrained non-dieting subjects.
  • Dieting participants demonstrated poorer performance on a demanding cognitive task compared to non-dieting participants.

Conclusions:

  • Distinguishing between dietary restraint and active dieting is essential for understanding related psychological and behavioral outcomes.
  • Active dieting, beyond mere restraint, may negatively affect cognitive functioning, warranting further investigation.