phencyclidine schizophrenia 3 Animals 2 Article 2 animal 2 animal experiment 2 controlled study 2 drug effect 2 learning 2 male 2 memory 2 nonhuman 2 C57BL mouse 1 CORTICAL DOPAMINE 1 Conditioning, Operant 1 DYSFUNCTION 1 Disease Models, Animal 1 Dizocilpine Maleate 1 Dose-Response Relationship, Drug 1 EXPRESSION 1 Excitatory Amino Acid Antagonists 1 Goals 1 Humans 1 Learning 1 MK-801 1 MODELS 1 Male 1 Maze 1 Memory 1 Memory Disorders 1