Animals 6 Dopamine Antagonists 6 Hyperkinesis 6 Mice 6 Mice, Knockout 6 Motor Activity 6 Receptors, Dopamine D2 6 article 6 dopamine 2 receptor 6 priority journal 6 8 chloro 2,3,4,5 tetrahydro 3 methyl 5 phenyl 1h 3 benzazepin 7 ol hydrogen maleate 4 Amphetamine-Related Disorders 4 Animalia 4 Benzazepines 4 Central Nervous System Stimulants 4 Dopamine receptors 4 Female 4 Knockout 4 Locomotor activity 4 Male 4 Methamphetamine 4 Mice, Inbred C57BL 4 Mus 4 Neuroadaptation 4 Null mutant 4 Psychostimulant 4 Receptors, Dopamine D1 4 Sensitization 4 animal behavior 4 animal experiment 4