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Olfactory aversion conditioning and overeating: a review and some data.

A D Cole, N W Bond

    Perceptual and Motor Skills
    |October 1, 1983
    PubMed
    Summary

    Olfactory aversion therapy, which pairs target foods with noxious odors, did not effectively manage overeating or promote significant long-term weight loss in overweight women. Weight regain occurred after treatment cessation.

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    Area of Science:

    • Behavioral Psychology
    • Obesity Research
    • Clinical Psychology

    Background:

    • Overeating is a significant public health concern contributing to obesity.
    • Behavioral interventions are explored for managing overeating and weight loss.
    • Olfactory aversion conditioning is a potential, yet understudied, therapeutic approach.

    Purpose of the Study:

    • To evaluate the efficacy of olfactory aversion conditioning as a management strategy for overeating.
    • To assess the impact of olfactory aversion therapy on weight loss in overweight individuals.

    Main Methods:

    • A randomized controlled trial involving 42 overweight women.
    • Three groups: olfactory aversion therapy, attention-placebo control, and no-contact control.
    • An 8-week treatment phase involving weekly sessions pairing target foods with noxious odors or air.

    Main Results:

    • The olfactory aversion therapy group lost an average of 4.7 lb, compared to 3.6 lb for the attention-placebo group and 0.5 lb for the no-contact group.
    • Weight differences between groups were not sustained at an 8-week follow-up, with all groups returning to pretreatment levels.
    • No significant long-term weight loss was observed for the olfactory aversion therapy intervention.

    Conclusions:

    • Olfactory aversion therapy is not an effective method for achieving sustained weight loss in overweight individuals.
    • The temporary weight loss observed was not clinically significant or durable.
    • Further research may be needed to explore alternative or adjunct therapies for overeating and obesity management.

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