Positive autobiographical memory retrieval reduces temporal discounting. Social Cognitive and Affective Neuroscience

Lempert, K.M., Speer, M.E., Delgado, M.R., & Phelps, E.A. (2017).  Positive autobiographical memory         retrieval reduces temporal discounting.  Social Cognitive and Affective Neuroscience, 12, 1584-93.