Title: Brain reward systems and abuse
Subjects: Brain, Congresses, Drug abuse, Drug effects, Effect of drugs on, Neuropsychopharmacology, Physiological aspects of Drug abuse, Reward, Reward (Psychology), Substance abuse, Radiography, Diseases, Colon (Anatomy), Diagnostic imaging, Colon, Diagnosis, Rectum, Radionuclide imaging, Physiological aspects, Substance-Related Disorders, Cerebrovascular disease