1. Abnormal reward system activation in mania;Abler;Neuropsychopharmacology: official publication of the American College of Neuropsychopharmacology,2008
2. Notes on the psychoanalytic investigation and treatment of manic depressive insanity;Abraham,1911
3. Hopelessness depression: A theory-based subtype of depression;Abramson;Psychol. Rev.,1989
4. The role of the behavioral approach system (BAS) in bipolar spectrum disorders;Alloy;Curr. Dir. Psychol. Sci.,2010
5. Longitudinal predictors of bipolar spectrum disorders: A behavioral approach system perspective;Alloy;Clinical Psychology: Science and Practice,2009