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Fig. 3 | Journal of Paleolithic Archaeology

Fig. 3

From: The Initial Upper Paleolithic in Central and East Asia: Blade Technology, Cultural Transmission, and Implications for Human Dispersals

Fig. 3

Examples of evolutionary scenarios for the emergence of new cultural traits (modified after Mesoudi, 2011). Upper cases (AB) are derived features while lower cases (ab) are archaic features; black cubes are traits shared in different lineages, and white cubes are unique to a lineage. A. Parsimonious scenario with all derived features along a single lineage. B. scenario showing the independent emergence of similar traits in different lineages (homoplasy). C. An exemple (among many) of simplified scenario showing the emergence of the IUP derived features, with the package of asymmetrical core reduction (ACR) and burin-core reduction (BCR) unique to the Asian branch. Other traits, such as pyramidal cores or intentional fragmentation of blades (IF), may have been independently reinvented. while other derived features may reappear by convergence in later UP assemblages

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