adult human 112 male female 109 Humans 77 Female 54 Male 54 article 50 Adult 47 controlled study 43 human experiment 42 Article 34 young adult 31 major clinical study 30 Young Adult 27 physiology 27 middle aged 23 aged 19 psychology 18 Middle Aged 15 adolescent 15 clinical article 15 Adolescent 13 Aged 13 questionnaire 11 cognition 9 decision making 9 procedures 9 qualitative research 9 Attention 8