Thesiss

Drug addiction is primarily a disease of the brain's reward system. The resulting compromise in reward sensitivity traces its roots to the striatal “reward circuitry”, where excess dopamine is released by the acute administration of the drug of abuse; chronic use is in turn asso…

Literature Review: Anhedonia, the loss of interest or pleasure in usually pleasurable activities, is a core symptom of depression and is associated with a reduction in positive affect (PA). Repetitive negative thought (RNT) is implicated in the development and maintenance of psy…