The ability to communicate through language is such a fundamental part of human existence that we often take it for granted, rarely considering how sophisticated the process is by which we understand and make ourselves understood. In The Extended Mind, acclaimed author Robert K. Logan examines the origin, emergence, and co-evolution of language, the human mind, and culture.

Building on his previous study, The Sixth Language (2000) and making use of emergence theory, Logan seeks to explain how language emerged to deal with the complexity of hominid existence brought...