Animals 7 Hippocampus 7 Male 7 Rats, Wistar 7 Recognition (Psychology) animal experiment 7 hippocampus 7 male 7 nonhuman 7 rat 7 Rats 6 Wistar rat 6 animal 6 controlled study 6 physiology 6 recognition 6 exploratory behavior 5 Exploratory Behavior 4 Spatial Behavior 4 Time Factors 4 animal tissue 4 article 4 open field test 4 priority journal 4 spatial discrimination 4 unclassified drug 4 Analysis of Variance 3 Enzyme Inhibitors 3 Gene Expression Regulation 3 Memory, Long-Term 3