Impulsive temperament has long been considered as a risk factor for substance use
disorders (SUD). Considering the heterogeneity of impulsivity, a biologically-based 2-factor …

The focus of most research in the area of substance abuse has been on the factors that
motivate or facilitate drug use, especially those relating to the rewarding properties of drugs …

Impulsivity and craving have been independently hypothesized to contribute to sustained
drug use and relapse in addiction. The primary focus of this project was to determine the …

Alcohol misuse and dependence, and many of its accompanying psychological problems,
are associated with heightened levels of impulsivity that both accelerate the development of …

Substance dependence constitutes a profound societal burden. Although large numbers of
individuals use licit or illicit substances, few transition to dependence. The specific factors …

Impulsivity is the tendency to act prematurely without foresight. Behavioral and
neurobiological analysis of this construct, with evidence from both animal and human …

Chapter 8 of this volume describes how drugs of abuse affect delay discounting. In this
chapter, we take a complementary approach and discuss how impulsivity, as determined by …

Impatience—the failure to wait or tolerate delayed rewards (eg food, drug and monetary
incentives)—is a common behavioural tendency in humans. However, when rigidly and …

Rationale Dependence on drugs and alcohol is associated with impaired impulse control,
but deficits are rarely compared across individuals dependent on different substances using …

This review discusses the evidence for the hypothesis that the development of drug
addiction can be understood in terms of interactions between Pavlovian and instrumental …