masking human 31 Humans 27 Perceptual Masking 20 male 18 female 17 adult 14 Male 13 article 13 human experiment 13 Female 12 controlled study 10 Adult 9 physiology 9 young adult 9 Speech Perception 8 Young Adult 8 speech perception 8 speech 7 Article 6 noise 6 Speech Acoustics 5 attention 5 auditory stimulation 5 clinical article 5 hearing 5 signal noise ratio 5 Acoustic Stimulation 4 Adolescent 4 Attention 4