Experimental Insights into the Cognitive Significance of Early Stone Tools
Publication Date
July 08, 2016
Journal
PLOS ONE
Authors
Mark W. Moore & Yinika Perston
Volume
11
Issue
7
Pages
e0158803
DOI
https://dx.plos.org/10.1371/journal.pone.0158803
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0158803
Scopus
84978915570
Mendeley
http://www.mendeley.com/research/experimental-insights-cognitive-significance-early-stone-tools
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Mendeley | Further Information

{"title"=>"Experimental insights into the cognitive significance of early stone tools", "type"=>"journal", "authors"=>[{"first_name"=>"Mark W.", "last_name"=>"Moore", "scopus_author_id"=>"7404470187"}, {"first_name"=>"Yinika", "last_name"=>"Perston", "scopus_author_id"=>"57190282444"}], "year"=>2016, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "scopus"=>"2-s2.0-84978915570", "pui"=>"611245211", "doi"=>"10.1371/journal.pone.0158803", "sgr"=>"84978915570"}, "id"=>"f367a1e7-d24d-3743-89af-b6d393f6d8be", "abstract"=>"Stone-flaking technology is the most enduring evidence for the evolving cognitive abilities of our early ancestors. Flake-making was mastered by African hominins ~3.3 ma, followed by the appearance of handaxes ~1.75 ma and complex stone reduction strategies by ~1.6 ma. Handaxes are stones flaked on two opposed faces ('bifacially'), creating a robust, sharp-edged tool, and complex reduction strategies are reflected in strategic prior flaking to pre-pare or 'predetermine' the nature of a later flake removal that served as a tool blank. These technologies are interpreted as major milestones in hominin evolution that reflect the development of higher-order cognitive abilities, and the presence and nature of these tech-nologies are used to track movements of early hominin species or 'cultures' in the archaeo-logical record. However, the warranting argument that certain variations in stone tool morphologies are caused by differences in cognitive abilities relies on analogy with techni-cal replications by skilled modern stoneworkers, and this raises the possibility that research-ers are projecting modern approaches to technical problems onto our non-modern hominin ancestors. Here we present the results of novel experiments that randomise flake removal and disrupt the modern stoneworker's inclination to use higher-order reasoning to guide the stone reduction process. Although our protocols prevented goal-directed replication of stone tool types, the experimental assemblage is morphologically standardised and includes handaxe-like 'protobifaces' and cores with apparently 'predetermined' flake remov-als. This shows that the geometrical constraints of fracture mechanics can give rise to what appear to be highly-designed stoneworking products and techniques when multiple flakes are removed randomly from a stone core.", "link"=>"http://www.mendeley.com/research/experimental-insights-cognitive-significance-early-stone-tools", "reader_count"=>23, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>1, "Researcher"=>4, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>5, "Student > Postgraduate"=>1, "Student > Master"=>5, "Other"=>2, "Student > Bachelor"=>1, "Lecturer"=>1, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>1, "Researcher"=>4, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>5, "Student > Postgraduate"=>1, "Student > Master"=>5, "Other"=>2, "Student > Bachelor"=>1, "Lecturer"=>1, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>5, "Environmental Science"=>1, "Agricultural and Biological Sciences"=>2, "Arts and Humanities"=>10, "Neuroscience"=>1, "Social Sciences"=>3, "Earth and Planetary Sciences"=>1}, "reader_count_by_subdiscipline"=>{"Neuroscience"=>{"Neuroscience"=>1}, "Social Sciences"=>{"Social Sciences"=>3}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Unspecified"=>{"Unspecified"=>5}, "Environmental Science"=>{"Environmental Science"=>1}, "Arts and Humanities"=>{"Arts and Humanities"=>10}}, "reader_count_by_country"=>{"Portugal"=>1, "Spain"=>1}, "group_count"=>0}

Scopus | Further Information

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