Regulation of voice amplitude by the monkey.
D000818:Animals; D005246:Feedback; D005260:Female; D000882:Haplorhini / Q000502:physiology*; D006801:Humans; D008251:Macaca; D008252:Macaca fascicularis; D008297:Male; D010470:Perceptual Masking; D014828:Vocalization, Animal / Q000502:physiology*