reinforcement nonhuman 62 article 52 male 52 Animals 46 controlled study 46 memory consolidation 44 Memory 42 Male 38 animal experiment 38 memory 34 learning 30 long term memory 30 priority journal 30 animal 26 Brachyura 24 physiology 24 Extinction, Psychological 20 crab 20 human 20 conditioning 19 Humans 18 mouse 16 Time Factors 14 immunoglobulin enhancer binding protein 14 reward 14 Animalia 12 Association Learning 12 Conditioning, Classical 12 animal tissue 12