Consciousness human 23 Humans 22 consciousness 21 human experiment 12 adult 10 brain 10 male 10 Brain 9 article 9 female 9 physiology 9 Article 7 Attention 7 awareness 7 attention 6 Awareness 5 Male 5 cognition 5 decision making 5 perception 5 theoretical study 5 vision 5 Female 4 Perception 4 Visual Perception 4 clinical article 4 controlled study 4 learning 4 normal human 4