title: Neurochemical issues in animal and human behavior.
mesh_terms: D000818:Animals; D001519:Behavior / Q000502:physiology*; D001522:Behavior, Animal / Q000502:physiology*; D001921:Brain / Q000033:anatomy & histology; D001923:Brain Chemistry; D004644:Emotions; D006801:Humans; D011678:Punishment; D012201:Reward; D013045:Species Specificity