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Related Experiment Videos

Hyperkinesis and food additives: testing the Feingold hypothesis.

J P Harley, R S Ray, L Tomasi

    Pediatrics
    |June 1, 1978
    PubMed
    Summary
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    The Feingold hypothesis, linking artificial food colors to hyperactivity, lacked scientific support in this study. Objective measures showed no diet effect, despite some parental reports of improvement in hyperactive children.

    Area of Science:

    • Pediatric Psychology
    • Neurodevelopmental Disorders
    • Nutritional Science

    Background:

    • The Feingold hypothesis proposed that artificial food colors and salicylates exacerbate hyperactivity in children.
    • Previous research has yielded mixed results regarding the impact of diet on attention-deficit/hyperactivity disorder (ADHD) symptoms.

    Purpose of the Study:

    • To rigorously test the Feingold hypothesis using objective and subjective measures in hyperactive children.
    • To investigate the effects of a controlled experimental diet versus a control diet on behavior and cognitive function.

    Main Methods:

    • Employed a double-blind, controlled diet study design with 36 school-age hyperactive boys.
    • Utilized teacher ratings, objective classroom/laboratory observations, and psychological assessments.

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  • Included parental ratings for a separate group of 10 preschool hyperactive boys.

    • Main Results:

    • Objective measures (classroom/laboratory observations, psychological tests) did not support the Feingold hypothesis for either age group.
    • Parental ratings suggested positive behavioral changes on the experimental diet, but this appeared linked to a specific diet sequence.
    • Laboratory observations in preschool boys also showed no significant diet effect.

    Conclusions:

    • The study found no empirical support for the Feingold hypothesis regarding artificial food colors and hyperactivity.
    • Parental perceptions of dietary impact may be influenced by factors beyond objective behavioral changes.
    • Further research with robust methodologies is needed to clarify diet-behavior relationships in hyperactive children.