Male male 154 controlled study 140 article 122 learning 108 nonhuman 106 Animals 104 priority journal 104 animal experiment 98 Memory 88 memory consolidation 74 Female 70 female 66 adult 62 human 60 Humans 58 physiology 58 long term memory 54 memory 52 Brachyura 44 Adult 42 Learning 42 animal 42 crab 42 Time Factors 40 rat 38 training 38 Avoidance Learning 36 Hippocampus 36 Rats 36