Pilot Study of Behavioral Activation for Prolonged Grief

Behavioral Activation for Major Depressive Disorder (BA; Martell, Addis, \& Jacobson, 2001) is based on behavioral theories of depression, which posit that psychopathology occurs when active, goal-directed behavioral repertoires have been either unreinforced or punished. These aversive consequences tend to reinforce escape and avoidance behavior, such as passively ruminating on unmet needs and/or deprivations, rather than actively engaging the environment. BA employs operant conditioning principles to increase active, goal-directed behavioral strategies and decrease passive or avoidant behavioral strategies to help people engage with and obtain adequate reinforcement from their environment. Use of BA was based research suggesting that disengagement/avoidance is related to prolonged pathology after loss