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How the Brain Got Language – Towards a New Road Map
Edited by Michael A. Arbib
[Benjamins Current Topics 112] 2020
► pp. 336–351

The evolution of enhanced conceptual complexity and of Broca’s area

Language preadaptations

| Indiana University

Evolutionary change occurs most often through the modification of pre-existing structures. What were the pre-existing circuits in our primate ancestors that paved the way for human language, and how did they change in the lineages leading to our present condition? Among the neural modifications that were critical for human language, there are two of special interest: The origin and evolution of the remarkably rich conceptual world that humans share to the exclusion of other primates (which made possible increasingly sophisticated communication systems), and the origin of neural circuitry that underlies various sequential and hierarchical aspects of language, as utilized for example in syntax and word morphology. The fossil record of brain evolution and the archaeological record provide intriguing clues about these processes.

Keywords: conceptual complexity, Broca’s, brain evolution, language evolution, syntax, sequential processing, endocasts, fossils
Article outline
  • Introduction
  • Conceptual complexity
  • Sequence processing
  • Toward a new road map
  • Acknowledgements
  • References
Published online: 11 August 2020
DOI logo
https://doi.org/10.1075/bct.112.21sch
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