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Neurosci Biobehav Rev. 2004 May;28(3):343-51.

The role of impulsivity in the development of substance use and eating disorders.

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  • 1School of Applied Psychology, Griffith University, Brisbane, Qld. 4111, Australia.


Impulsivity is now widely viewed as a multidimensional construct consisting of a number of related dimensions. Although many measures of impulsivity are correlated, most recent factor analyses support at least a two-factor model. In the current paper, these two factors have been labelled reward sensitivity, reflecting one of the primary dimensions of Gray's personality theory, and rash-spontaneous impulsiveness. The evidence supporting the existence of two dimensions of impulsivity is reviewed in relation to substance misuse and binge eating.

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