“Human speech, language, and cognition derive from anatomy and neural mechanisms that have been shaped by the Darwinian process of natural selection acting on variation but that have roots present in other living species.”

Here is the link.

keywords:

[laryngeal phonation]

[referential information and emotion]

[auditory fusion frequency]

[FOXP2 transcriptional gene]

[synaptic plasticity in cortical–basal ganglia circuits]

[basal ganglion]

[neural circuit]

[vocal tract]

[hyoid bone]

[human language]