title: A negative contrast effect in newborns.
mesh_terms: D003216:Conditioning, Operant; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D008297:Male; D009042:Motivation; D012054:Reinforcement, Psychology; D013391:Sucking Behavior; D013395:Sucrose; D013649:Taste; D014867:Water
chemical_list: D014867:Water; D013395:Sucrose