Restricted eating with weight loss selectively decreases extracellular dopamine in the nucleus accumbens and alters dopamine response to amphetamine, morphine, and food intake

Authors:Pothos, E. N., Creese, I. and Hoebel, B. G.
Animal study: "Low extracellular DA may also underlie the increase in food and drug intake typically observed in underweight animals and humans when they attempt to restore extracellular DA levels by natural or artificial means." [DA = dopamine]