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Modeling Oldowan tool transport from a primate perspective.

Jonathan S Reeves1, Tomos Proffitt2, Katarina Almeida-Warren3

  • 1Technological Primates Research Group, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, Leipzig, 04103, Germany; Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, 800 2nd Street, NW, 20052, USA.

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|June 25, 2023
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Summary
This summary is machine-generated.

The Oldowan stone tool industry may not solely stem from ape-like behaviors. Our model shows ape tool transport has limitations in explaining Oldowan patterns, suggesting unique hominin adaptations.

Keywords:
Agent-based modelingOldowanPrimate archaeologyStone tool transport

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Area of Science:

  • Paleoanthropology
  • Archaeology
  • Primatology

Background:

  • Nonhuman primates offer insights into hominin evolution, particularly tool use.
  • The Oldowan stone tool industry is a key evolutionary milestone, but its origins are debated.
  • Ape tool transport behaviors share similarities with, yet differ fundamentally from, Oldowan technology.

Purpose of the Study:

  • To investigate the explanatory power of ape tool transport models for the Oldowan record.
  • To simulate Oldowan artifact formation using short-distance transport patterns observed in chimpanzees.
  • To identify the limitations of ape tool transport in explaining Oldowan technological patterns.

Main Methods:

  • Agent-based modeling to simulate stone tool transport and artifact patterning.
  • Comparison of simulated Oldowan record with patterns from extant chimpanzee tool use.
  • Analysis of factors influencing tool transport, including use-life duration.

Main Results:

  • Ape tool transport can explain some Oldowan variations but has limitations.
  • Use-life duration significantly restricts the distance Oldowan cores can be moved via short-distance transport.
  • The ape tool transport model alone is insufficient to fully explain Oldowan patterns.

Conclusions:

  • Ape tool transport has limitations in explaining the archaeological record of the Oldowan.
  • Factors beyond simple transport, such as hominin-specific adaptations, likely facilitated Oldowan technology.
  • Further research is needed to understand the adaptive processes driving the development of the Oldowan.