Adult Humans 72 adult 72 human 72 vision 69 Visual Perception 68 male 56 female 55 Male 53 physiology 53 Female 52 Young Adult 45 young adult 45 attention 26 Attention 25 article 22 controlled study 20 human experiment 18 depth perception 15 reaction time 15 Space Perception 14 Cues 13 association 13 Adolescent 12 Article 12 Reaction Time 12 adolescent 12 procedures 12 Memory, Short-Term 11 Photic Stimulation 11