Which of the following milestones of human evolution is thought to have made a profound contribution to the development of language use?

Question

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Each of the options listed (growth of the frontal lobes, larger human social circles, and the evolution of a larger working memory) has played a significant role in the development of language use in humans. The frontal lobes are crucial for cognitive functions and language processing; larger social circles necessitated more complex communication; and a larger working memory allowed for the processing and use of more complex language structures.

Which of the Following Milestones of Human Evolution Is Thought