Bidding evidence for primate vocal learning and the cultural substrates for speech evolution

Adriano R. Lameira

Research output: Contribution to journalReview articlepeer-review

25 Citations (Scopus)
1 Downloads (Pure)

Abstract

Speech evolution seems to defy scientific explanation. Progress on this front has been jammed in an entrenched orthodoxy about what great apes can and (mostly) cannot do vocally, an idea epitomized by the Kuypers/Jürgens hypothesis. Findings by great ape researchers paint, however, starkly different and more optimistic landscapes for speech evolution. Over twenty studies qualify as positive evidence for primate vocal (production) learning following accepted terminology. Additionally, the Kuypers/Jürgens hypothesis shows low etymological, empirical, and theoretical soundness. Great apes can produce novel voiced calls and voluntarily control their modification − observations supposedly impossible. Furthermore, no valid pretext justifies dismissing heuristically the production of new voiceless consonant-like calls by great apes. To underscore this point, new evidence is provided for a novel supra-genera voiceless call across all great ape species. Their vocal invention and vocal learning faculties are real and sufficiently potent to, at times, uphold vocal traditions. These data overpower conventional predicaments in speech evolution theory and will help to make new strides explaining why, among hominids, only humans developed speech.
Original languageEnglish
Pages (from-to)429-439
JournalNeuroscience and Biobehavioral Reviews
Volume83
Early online date22 Sept 2017
DOIs
Publication statusPublished - Dec 2017

Keywords

  • Cultural evolution
  • Great apes
  • Innovation
  • Speech evolution
  • Vocal control
  • Vocal learning
  • Tradition
  • Vocal invention
  • Voiceless calls
  • Novel calls

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