title: Vocal conditioning in infants.
mesh_terms: D001321:Autistic Disorder / Q000209:etiology; D002675:Child, Preschool; D003213:Conditioning, Psychological; D006801:Humans; D007223:Infant; D007804:Language Development; D007858:Learning; D011578:Psycholinguistics; D011582:Psychological Theory; D012054:Reinforcement, Psychology; D013060:Speech