- The phonetic potential of nonhuman vocal tracts: comparative cineradiographic observations of vocalizing animalsW T Fitch
Department of Organismic and Evolutionary Biology, Harvard University and Program in Speech and Hearing Science Harvard MIT, Cambridge, MA 02138, USA
Phonetica 57:205-18. 2000..The implications of these findings for theories of speech evolution are discussed...
- The descended larynx is not uniquely humanW T Fitch
Department of Psychology, Harvard University, 33 Kirkland Street, Cambridge, MA 02138, USA
Proc Biol Sci 268:1669-75. 2001..Vocal-tract elongation is common in birds and is probably present in additional mammals. Size exaggeration provides a non-linguistic alternative hypothesis for the descent of the larynx in human evolution...