This book is a collection of articles that I wrote, while four of them I presented to international conferences held by La Sorbonne, Oxford, and Vienna universities between November 2020 and February 2021.

In general, these articles debate how a transformation of our brain occurred in the last 40,000 years and how this change made our brain to develop a language.

This book is a collection of articles that I wrote, while four of them I presented to international conferences held by La Sorbonne, Oxford, and Vienna universities between November 2020 and February 2021.

In general, these articles debate how a transformation of our brain occurred in the last 40,000 years and how this change made our brain to develop a language.