Rethinking the dispersal of Homo sapiens out of Africa

Current fossil, genetic and archaeological data indicate that Homo sapiens originated in Africa in the late Middle Pleistocene. By the end of the Late Pleistocene our species was distributed across every continent except Antarctica, setting the foundations for the subsequent demographic and cultural...

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Bibliographic Details
Published in:Evolutionary Anthropology: Issues, News, and Reviews
Main Authors: Groucutt, Huw S., Petraglia, Michael D., Bailey, Geoff, Scerri, Eleanor M.L., Parton, Ash, Clark-Balzan, Laine, Jennings, Richard P., Lewis, Laura, Blinkhorn, James, Drake, Nick A., Breeze, Paul S., Inglis, Robyn H., Devès, Maud H., Meredith-Williams, Matthew, Boivin, Nicole, Thomas, Mark G., Scally, Aylwyn
Format: Text
Language:English
Published: 2015
Subjects:
Article
Antarc*
Antarctica
Online Access:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6715448/
http://www.ncbi.nlm.nih.gov/pubmed/26267436
https://doi.org/10.1002/evan.21455
Description
Summary:Current fossil, genetic and archaeological data indicate that Homo sapiens originated in Africa in the late Middle Pleistocene. By the end of the Late Pleistocene our species was distributed across every continent except Antarctica, setting the foundations for the subsequent demographic and cultural changes of the Holocene. The intervening processes remain intensely debated and a key theme in hominin evolutionary studies. We review archaeological, fossil, environmental and genetic data to evaluate the current state of knowledge on the dispersal of Homo sapiens out of Africa. The emerging picture of the dispersal process suggests dynamic behavioral variability, complex interactions between populations and an intricate genetic and cultural legacy. This evolutionary and historical complexity challenges simple narratives and suggests that hybrid models and the testing of explicit hypotheses are required to understand the expansion of Homo sapiens into Eurasia.

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