human 189 article 142 male 120 Humans 111 human experiment 102 female 101 adult 100 controlled study 95 Article 82 nonhuman 65 animal experiment 49 Animals 44 Male 42 animal 42 Female 39 physiology 38 Adult 32 animal model 29 learning 26 young adult 26 open field test 25 rat 25 procedures 24 clinical article 23 psychology 23 visual field 23 Deep learning 21 education 21 mouse 21 Field experiment 20