human 348 Humans 306 male 184 female 182 adult 171 Article 157 Male 132 Female 126 Adult 117 controlled study 112 physiology 96 young adult 78 procedures 76 priority journal 72 Young Adult 69 article 58 middle aged 55 adolescent 54 vision 54 diagnostic imaging 53 Adolescent 48 clinical article 48 Middle Aged 45 human experiment 44 major clinical study 44 aged 42 attention 42 Visual Perception 37 nuclear magnetic resonance imaging 36 comparative study 35