Behavioral measures of impulsivity are widely used in substance abuse research, yet
relatively little attention has been devoted to establishing their psychometric properties …

This study used a nonreferred sample of twins to contrast the performance of individuals with
reading disability (RD; n= 93), attention-deficit/hyperactivity disorder (ADHD; n= 52), RD and …

Deficient behavioral inhibition (BI) processes are considered a core feature of attention
deficit/hyperactivity disorder (ADHD). This meta-analytic review is the first to examine the …

A comparative and integrated account is provided of the evidence that implicates
frontostriatal systems in neurodegenerative and neuropsychiatric disorders. Specifically, we …

Rationale. Modafinil, a novel wake-promoting agent, has been shown to have a similar
clinical profile to that of conventional stimulants such as methylphenidate. We were therefore …

What does inhibition in psychology mean? Most psychologists have presupposed that its
meaning in psychology is practically the same as in physiology. They begin with illustrations …

This paper updates the author's earlier hypothesis that Attention Deficit Hyperactivity
Disorder (ADHD) reflects underactivity in Gray's Behavioral Inhibition System. Five areas of …

Here, we review the evidence for sex differences in behavioral measures of impulsivity for
both humans and laboratory animals. We focus on two specific components of impulsivity …

OBJECTIVE: Patients with attention deficit hyperactivity disorder (ADHD) and a medication
history have shown abnormal brain activation in prefrontal and striatal brain regions during …

The urgency facet of impulsivity, that is, the tendency to act rashly in response to intense
emotional contexts [Cyders, MA, & Smith, GT (2008). Emotion-based dispositions to rash …