3. Scientists who study birdsong have been intrigued for some time by the possibili...

Scientists who study birdsong have been intrigued for some time by the possibility that human speech and music may be rooted in biological processes shared across a variety of animals. New evidence supports this idea.

MacNeilage and Davis (1990a) discusses the concept that humans use a third level of articulatory motion on top of the respiratory and phonation levels that come alongside mandibular oscillation within all mammals. This articulation is theorised to create syllabic frames, and the use of consonants create the content of these frames. They suggest that this evolved from ingestion related mouth movements, such as chewing and lip smacking and teeth chattering (as much of the Speech related areas of the brain developed around the Broca’s area). This is supported by the observation of non-human primates using similar motions to communicate, although they don’t use the whole open/closed cyclicality in conjunction with articulation which is characteristic of human speech.

tl;dr- yeah, consonants are pretty unique to humans, but I wouldn’t call it a “construct”.

/r/science Thread Parent Link - linkinghub.elsevier.com
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