vision human 245 Humans 208 Visual Perception 182 male 127 adult 126 female 126 physiology 95 Male 86 Female 85 article 82 Adult 79 attention 72 young adult 65 Attention 64 human experiment 64 Young Adult 63 controlled study 56 Article 54 Photic Stimulation 44 photostimulation 44 reaction time 36 association 32 cognition 32 Cues 30 Reaction Time 29 clinical article 27 learning 27 Memory, Short-Term 26 short term memory 26