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Herramientas de piedra de escamas de monos salvajes

Tomos Proffitt1, Lydia V Luncz1, Tiago Falótico2

  • 1Primate Archaeology Research Group, School of Archaeology, University of Oxford, Dyson Perrins Building, South Parks Road, Oxford OX1 3QY, UK.

Nature
|November 4, 2016
PubMed
Resumen
Este resumen es generado por máquina.

Los monos capuchinos salvajes en Brasil crean involuntariamente hojuelas y núcleos de piedra afilados. Este descubrimiento desafía la idea de que la producción de herramientas de piedra es única en la evolución humana, ofreciendo nuevas ideas sobre la tecnología temprana.

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Área de la Ciencia:

  • Comportamiento de los primates
  • Arqueología
  • Paleoantropología

Sus antecedentes:

  • La tecnología de la piedra es fundamental para entender los orígenes humanos.
  • Las primeras herramientas de los homínidos se identifican principalmente como escamas y núcleos de piedra con bordes afilados.

Objetivo del estudio:

  • Para investigar el comportamiento de los primates no humanos rompiendo piedras.
  • Para comparar los artefactos de piedra producidos por monos con las herramientas de los primeros homínidos.

Principales métodos:

  • Observación de los monos capuchinos barbudos salvajes (Sapajus libidinosus) en Brasil.
  • Análisis de la morfología y patrones de fractura de piedras rotas por monos.

Principales resultados:

  • Los monos rompen deliberadamente las piedras, produciendo escamas y núcleos recurrentes, concoidalmente fracturados y de bordes afilados.
  • Estos artefactos comparten características con las herramientas homininas producidas intencionalmente.

Conclusiones:

  • La producción de artefactos de piedra no es exclusiva del linaje humano.
  • Este hallazgo proporciona un modelo comparativo para la aparición de la tecnología lítica.
  • Reevalúa las interpretaciones del registro paleolítico, la función de las herramientas tempranas y los requisitos previos cognitivos para la descamación de la piedra.