habituation nonhuman 62 animal experiment 58 article 46 crab 46 male 44 controlled study 42 Brachyura 38 priority journal 36 Male 32 Animals 28 Escape Reaction 28 escape behavior 28 Habituation 24 learning 22 long term memory 22 memory 22 Animal 20 Chasmagnathus 20 Crab 20 Memory 20 Decapoda (Crustacea) 18 Habituation (Psychophysiology) 18 animal 18 animal behavior 18 Support, Non-U.S. Gov't 16 animal tissue 16 physiology 16 Habituation, Psychophysiologic 14 training 14