Humans human 130 male 91 female 89 language 83 Language 75 linguistics 62 adult 61 Male 60 human experiment 60 Female 57 Linguistics 57 article 57 child 43 Adult 38 Child 37 language development 32 speech 32 controlled study 29 physiology 27 Article 25 Child, Preschool 25 Language Development 25 preschool child 25 speech perception 25 Speech Perception 24 comprehension 24 learning 22 Semantics 21 semantics 21