Animals 4 Frontal cortex Mice 4 Receptors, Dopamine D2 4 Receptors, Dopamine D4 4 animal experiment 4 article 4 controlled study 4 dopamine 4 dopamine 4 receptor 4 mouse 4 nonhuman 4 priority journal 4 4 aminopyridine 2 4-Aminopyridine 2 Anti-Anxiety Agents 2 Anxiety 2 Attention deficit hyperactivity disorder 2 Avoidance Learning 2 Behavior, Animal 2 Bicuculline 2 Central Nervous System Depressants 2 Cerebral Cortex 2 Conditioning (Psychology) 2 Conflict (Psychology) 2 Convulsants 2 D4 receptor 2 Dopamine 2 Dopamine receptors 2 Dose-Response Relationship, Drug 2