female physiology Humans 108 human 108 male 105 Female 103 Male 98 adult 68 Adult 55 controlled study 53 Article 50 article 46 young adult 45 Young Adult 44 human experiment 41 child 37 adolescent 30 Adolescent 27 Child 27 priority journal 27 psychology 25 Middle Aged 23 middle aged 23 procedures 23 Child, Preschool 22 preschool child 22 child development 20 learning 20 major clinical study 19 Child Development 18