title: Trait or state?
authors: John C
authors: JC
authors: Crabbe
authors: Christopher L
authors: CL
authors: Cunningham
mesh_terms: D000818:Animals; D003042:Cocaine / Q000008:administration & dosage*; D005838:Genotype; D007175:Impulsive Behavior / Q000235:genetics; D051379:Mice; D009714:Nucleus Accumbens / Q000378:metabolism; D051381:Rats; D017448:Receptors, Dopamine D2 / Q000378:metabolism; D050637:Receptors, Dopamine D3 / Q000378:metabolism; D012646:Self Administration
chemical_list: D017448:Receptors, Dopamine D2; D050637:Receptors, Dopamine D3; D003042:Cocaine