The first speech sounds were uttered by the ancestors of speakers of present-day Khoisan languages, a study has found.
Another interesting factor was an apparent change in our early ancestors’and the possible effect it might have had on the human brain. The change to what was essentially a marine diet rich in omega 3 fatty acids occurred when those early humans migrated from the interior to theThe vocal tract developed gradually over a long period, and the different stages in its development determined the types of sounds that could be produced.
They may have also been involuntary sounds which expressed various emotions or the involuntary sounds made when yawning, sneezing and so on. These must not be confused with the intricate mechanisms that are involved in the production of speech sounds which form the foundations of what we recognise today as human language.As the different speech sounds evolved, they combined in various ways to form syllables and words.
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