Animals Antipsychotics Article C57BL mouse D 2 dopamine receptors DRD2 protein, mouse Dopamine D2 Receptor Antagonists Excitatory Postsynaptic Potentials Hippocampus LTD Learning Long-Term Potentiation Long-Term Synaptic Depression Male Memory Mice, Inbred C57BL Mice, Transgenic Neural Pathways Neuronal plasticity RNA, Messenger Receptors, Dopamine D2 Space Perception Temporal hippocampus Ventral Tegmental Area animal animal experiment animal tissue brain electrophysiology cognitive defect controlled study