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Assessing Activity-based Anorexia in Mice
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Associations between Orthorexia Nervosa symptoms and executive functioning in physically active adults.

Furkan Kerim Çakır1, Kseniya Baydikova1, Ödül Karsavuran1

  • 1Department of Psychology, Mersin University, Türkiye.

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|March 30, 2026
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Summary

Executive functioning, including working memory and cognitive flexibility, is linked to orthorexia nervosa in physically active adults. Cognitive remediation may help reduce unhealthy eating behaviors associated with orthorexia nervosa.

Keywords:
activityadultsbody mass indexcognitive processingeating behavioreating disordersexercise behavior

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Area of Science:

  • Psychology
  • Neuroscience
  • Nutrition Science

Background:

  • Orthorexia nervosa is an emerging eating disorder characterized by an obsessive pursuit of healthy eating.
  • Executive functioning (EF) plays a crucial role in regulating complex behaviors, including eating habits.

Purpose of the Study:

  • To investigate the relationship between core executive functioning domains and healthy orthorexia versus orthorexia nervosa.
  • To identify specific EF deficits associated with orthorexia nervosa in physically active adults.

Main Methods:

  • 342 physically active adults completed self-report measures of executive functioning and orthorexia.
  • Pearson correlations and multiple regression analyses were used to examine associations, controlling for demographics.

Main Results:

  • Orthorexia nervosa was positively associated with working memory difficulties and negatively with cognitive flexibility.
  • Inhibition was not a significant predictor of orthorexia nervosa.
  • Executive functioning did not predict healthy orthorexia.

Conclusions:

  • Executive functioning, particularly working memory and cognitive flexibility, is relevant to orthorexia nervosa.
  • Cognitive remediation targeting cognitive rigidity and working memory may help manage maladaptive health-focused eating behaviors.