Humans 30 Visual Perception human 30 vision 30 female 23 male 23 Female 22 Male 22 physiology 22 Adult 20 adult 20 Young Adult 16 young adult 16 Attention 15 attention 15 Reaction Time 8 reaction time 8 Photic Stimulation 7 Space Perception 7 depth perception 7 photostimulation 7 procedures 7 Adolescent 4 Memory, Short-Term 4 Visual working memory 4 adolescent 4 short term memory 4 Cues 3 Eye movements 3 Memory 3