de Wit, H., Enggasser, J.L., and Richards, J.B. (2002). Acute administration of d-amphetamine decreases impulsivity in healthy volunteers. Neuropsychopharmacology, 27, 813-825.
Kaufman, J.N., Ross, T.J., Stein, E.A., Garavan, H. (2003). Cingulate hypoactivity in cocaine users during a GO-NOGO task as revealed by event-related functional magnetic resonance imaging. Journal of Neuroscience, 23, 7839–7843.
Hester, R. & Garavan, H. (2004). Executive dysfunction in Cocaine addiction: evidence for discordant frontal, cingulate and cerebellar activity. Journal of Neuroscience, 24, 11017-11022.
Fillmore, M. T., Rush, C. R., and Hays, L. (2006). Acute effects of cocaine in two models of inhibitory control: implications of non-linear dose effects. Addiction, 101, 1323-1332.
Verdejo-Garcia A, & Perez-Garcia M. (2007). Profile of executive deficits in cocaine and heroin polysubstance users: common and differential effects on separate executive components. Psychopharmacology, 517–530.