human 7 human experiment Humans 5 article 5 controlled study 5 adult 4 female 4 male 4 physiology 4 Adult 2 Article 2 Brain 2 Female 2 Male 2 Young Adult 2 brain 2 learning 2 mydriasis 2 normal human 2 outcome assessment 2 probability 2 psychology 2 young adult 2 Action Potentials 1 Adolescent 1 Animals 1 Association Learning 1 Attentional reorientation 1 Auditory streaming 1 Brain Mapping 1