adult human speech female 115 male 112 Humans 109 Adult 74 Female 74 Male 69 article 69 human experiment 65 Speech 62 controlled study 43 speech perception 42 young adult 42 physiology 41 Young Adult 40 Speech Perception 38 Article 32 language 31 clinical article 29 Speech Acoustics 27 phonetics 25 Language 23 Phonetics 23 adolescent 21 Adolescent 20 procedures 20 pathophysiology 19 middle aged 18