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    The sweet taste of success: The presence of glucose in the oral cavity moderates the depletion of self-control resources.

    188806_188806.pdf (365.1Kb)
    Access Status
    Open access
    Authors
    Hagger, Martin
    Chatzisarantis, N.
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Hagger, Martin and Chatzisarantis, Nikos. 2013. The sweet taste of success: The presence of glucose in the oral cavity moderates the depletion of self-control resources. Personality and Social Psychology Bulletin. 39 (1): pp. 28-42.
    Source Title
    Personality and Social Psychology Bulletin
    DOI
    10.1177/0146167212459912
    ISSN
    0146-1672
    Remarks

    Copyright © 2013 by Society for Personality and Social Psychology, Inc.

    URI
    http://hdl.handle.net/20.500.11937/37464
    Collection
    • Curtin Research Publications
    Abstract

    According to the resource-depletion model, self-control is a limited resource that is depleted after a period of exertion. Evidence consistent with this model indicates that self-control relies on glucose metabolism and glucose supplementation to depleted individuals replenishes self-control resources. In five experiments, we tested an alternative hypothesis that glucose in the oral cavity counteracts the deleterious effects of self-control depletion. We predicted a glucose mouth rinse, as opposed to an artificially sweetened placebo rinse, would lead to better self-control after depletion. In Studies 1 to 3, participants engaging in a depleting task performed significantly better on a subsequent self-control task after receiving a glucose mouth rinse, as opposed to participants rinsing with a placebo. Studies 4 and 5 replicated these findings and demonstrated that the glucose mouth rinse had no effect on self-control in nondepleted participants. Results are consistent with a neural rather than metabolic mechanism for the effect of glucose supplementation on self-control.

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