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Stone toolmaking difficulty and the evolution of hominin technological skills

Muller, Antoine ; Shipton, Ceri ; Clarkson, Chris

Scientific reports, 2022-04, Vol.12 (1), p.5883-5883, Article 5883 [Periódico revisado por pares]

England: Nature Publishing Group

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  • Título:
    Stone toolmaking difficulty and the evolution of hominin technological skills
  • Autor: Muller, Antoine ; Shipton, Ceri ; Clarkson, Chris
  • Assuntos: Animals ; Archaeology ; Cognitive ability ; Hominidae ; Lithic ; Motivation ; Motor task performance ; Skills ; Technology ; Time Perception
  • É parte de: Scientific reports, 2022-04, Vol.12 (1), p.5883-5883, Article 5883
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: Stone tools are a manifestation of the complex cognitive and dexterous skills of our hominin ancestors. As such, much research has been devoted to understanding the skill requirements of individual lithic technologies. Yet, comparing skill across different technologies, and thus across the vast timespan of the Palaeolithic, is an elusive goal. We seek to quantify a series of commensurable metrics of knapping skill across four different lithic technologies (discoids, handaxes, Levallois, and prismatic blades). To compare the requisite dexterity, coordination, and care involved in each technology, we analysed video footage and lithic material from a series of replicative knapping experiments to quantify deliberation (strike time), precision (platform area), intricacy (flake size relative to core size), and success (relative blank length). According to these four metrics, discoidal knapping appears to be easiest among the sample. Levallois knapping involved an intricate reduction sequence, but did not require as much motor control as handaxes and especially prismatic blades. Compared with the other Palaeolithic technologies, we conclude that prismatic blade knapping is set apart by being a skill intensive means of producing numerous standardised elongate end-products.
  • Editor: England: Nature Publishing Group
  • Idioma: Inglês
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