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The ketogenic diet causes a reversible decrease in activity level in Long-Evans rats.

Patricia Murphy1, W M Burnham

  • 1Department of Pharmacology, University of Toronto, Medical Sciences Building, 1 King's College Circle, rm 4309, Toronto, Ontario, Canada M5S 1A8. pattyannemurphy@hotmail.com

Experimental Neurology
|June 6, 2006
PubMed
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The ketogenic diet, used for epilepsy, may also help attention deficit hyperactivity disorder (ADHD). This study found the diet reduced activity levels in rats, and this effect was reversible and not linked to anxiety.

Area of Science:

  • Neuroscience
  • Nutritional Science
  • Behavioral Science

Background:

  • Epilepsy and attention deficit hyperactivity disorder (ADHD) frequently co-occur.
  • The ketogenic diet is an established treatment for intractable epilepsy.
  • Preliminary research suggests the ketogenic diet may improve ADHD symptoms.

Purpose of the Study:

  • To investigate the effects of the ketogenic diet on activity levels in an animal model.
  • To determine the time frame and reversibility of the diet's impact on activity.
  • To explore the relationship between activity levels and anxiety under the ketogenic diet.

Main Methods:

  • Adult male Long-Evans rats were assigned to either a ketogenic diet or a control diet.
  • Two experiments were conducted to assess activity levels and anxiety.

Related Experiment Videos

  • Dietary interventions and behavioral assessments were employed.

    • Main Results:

    • The ketogenic diet significantly decreased activity levels in rats within 24 hours.
    • The reduction in activity was reversible upon cessation of the ketogenic diet.
    • No correlation was found between decreased activity levels and anxiety levels.

    Conclusions:

    • The ketogenic diet can rapidly reduce activity levels in rats.
    • The observed effects on activity are reversible and not mediated by anxiety.
    • These findings support the potential therapeutic use of the ketogenic diet for ADHD.