The role of glucose in self-control: another look at the evidence and an alternative conceptualization

Beedie, Christopher J. and Lane, Andrew M. (2012) The role of glucose in self-control: another look at the evidence and an alternative conceptualization. Personality and Social Psychology Review. ISSN 1088-8683 (Print), 1532-7957 (Online) (In Press)

Abstract

The strength model suggests that self-control relies on a limited resource. One candidate for this resource is glucose. Counter to the proposals of the glucose hypothesis, this study argues that the resource issue is one of allocation, not of limited supply.
It addresses the argument from three perspectives: the evolution of mental processes at the species level, the adaptation of these same processes at the individual level, and the physiology of glucose transport. It is argued here that the brain has both sufficient resources and resource delivery mechanisms with which to support self-control but that these resources are allocated in accordance with personal priorities. As an alternative to the limited resource model, the current study proposes a resource-allocation model of self-control and presents several testable hypotheses.

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