The potential Neandertal vowel space was as large as that of modern humans

@article{Bo2002ThePN,
  title={The potential Neandertal vowel space was as large as that of modern humans},
  author={Louis-Jean Bo{\"e} and Jean-Louis Heim and Kiyoshi Honda and Shinji Maeda},
  journal={J. Phonetics},
  year={2002},
  volume={30},
  pages={465-484}
}
Abstract Since Lieberman and Crelin (1971) postulated the theory that Neandertals “could not produce the range of sounds that characterize human speech”, the potential speech capability of Neandertals has been the subject of hot debate. Lieberman and Crelin claimed that the development of a low laryngeal position was a necessary condition for the realization of a sufficient number of vocalic contrasts, since the potential vowel space was enlarged due to an enlarged pharyngeal cavity. Like… 

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