human 185 article 136 male 119 Humans 108 human experiment 101 female 100 adult 99 controlled study 94 Article 82 nonhuman 65 animal experiment 49 TK Electrical engineering. Electronics Nuclear engineering 46 Animals 42 Male 42 animal 40 Female 39 physiology 38 TA Engineering (General). Civil engineering (General) 37 Adult 32 Education 30 animal model 29 TP Chemical technology 28 learning 26 young adult 26 TJ Mechanical engineering and machinery 25 open field test 25 procedures 24 rat 24 psychology 23 visual field 23