emotion human 273 Humans 225 Emotions 203 female 199 male 185 adult 157 Female 144 Male 136 Adult 97 Article 96 controlled study 90 psychology 90 physiology 89 article 81 human experiment 78 young adult 77 Young Adult 72 adolescent 67 Adolescent 63 child 54 major clinical study 51 Child 44 facial expression 41 perception 41 middle aged 38 Middle Aged 35 cognition 34 Facial Expression 33 clinical article 33