Prior MDMA (Ecstasy) use is associated with increased basal ganglia-thalamocortical circuit activation during motor task performance in humans: An fMRI study. - John Karageorgiou; Mary S. Dietrich; Evonne J. Charboneau; Neil D. Woodward; Jennifer Urbano Blackford; Ronald M. Salomon; Ronald L. Cowan (NeuroImage, 2009)