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Right handed Neandertals: Vindija and beyond

AutorFrayer, David W.; Lalueza-Fox, Carles ; Bondioli, Luca
Palabras claveHandedness
Labial striations
Language capability
Fecha de publicación2010
EditorIstituto italiano di antropologia
CitaciónJournal of Anthropological Sciences 88: 113-127 (2010)
ResumenSeven Vindija (Croatia) Neandertal teeth, dated ~32,000 years ago, were analyzed to determine patterning of scratches on the anterior teeth. Oblique scratches exclusively on the labial faces of incisors and canines represent a distinctive pattern, characteristic of hand directed, non-masticatory activities. At Vindija and elsewhere these scratches reveal activities, which were performed primarily with the right hand. The late Neandertals from Vindija, combined with other studies, show that European Neandertals were predominately right-handed with a ratio 15:2 (88.2%), a frequency similar to living people. Studies of teeth from Atapuerca extend this modern ratio to more than 500,000 years ago and increase the frequency of right-handers in the European fossil record to almost 94%. Species-wide, preferential right-handedness is a defining feature of modern Homo sapiens, tied to brain laterality and language with the ~9:1 ratio of right- to left-handers - a reflection of the link between left hemispheric dominance and language. Up-to-date behavioral and anatomical studies of Neandertal fossils and the recent discovery of their possession of the FOXP2 gene indicate Neandertals (and, very likely, their European ancestors) had linguistic capacities similar to living humans.
Descripción15 páginas, 4 figuras.-- Frayer, David W. et al.
Versión del editorhttp://www.isita-org.com/jass/Contents/ContentsVol88.htm
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