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struggle4progress

(126,706 posts)
14. The evolution of human speech may be quite complex. I don't know the current status
Mon Oct 10, 2016, 09:42 PM
Oct 2016

of the theory here, but I was at one time highly intrigued by an overview suggesting that human hand evolution (including opposable thumbs) reduced the importance of the mouth for grasping, which allowed some reorganization of the neck and (thereby) development of the human larynx, necessary for vocalization

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