Dental Scratches and Handedness in East Asian Early Pleistocene Hominins

doi:10.1002/oa.2601

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	Dental Scratches and Handedness in East Asian Early Pleistocene Hominins
	Xing, S.1; O'Hara, M.2; Guatelli-Steinberg, D.2; Ge, J.1,3; Liu, W.1
	2017-11-01
发表期刊	INTERNATIONAL JOURNAL OF OSTEOARCHAEOLOGY
ISSN	1047-482X
卷号	27 期号:6 页码:937-946
文章类型	Article
摘要	The current study aims to characterise dental scratches found on an East Asian hominin upper left central incisor (I-1) and lower left lateral incisor (I-2) from the Early Pleistocene (Meipu site, Yunxian County), and infer the preference for handedness of these two individuals by quantifying the orientation of dental scratches. The labial surfaces of these two teeth were observed and imaged using light microscopes and/or scanning electron microscope under different magnifications (5-70x). The angle, width and length of each dental scratch was measured and analysed. The dental scratches described and quantified on the labial enamel surface of Meipu I-1 and I-2 fit the description of cutmarks caused by stuff and cut' behaviour. Most scratches are oriented in the right oblique direction, averaging 47.11 degrees in I-1 and 44.60 degrees in I-2. This result indicates preference for the right hand as the dominant one in holding a tool during stuff and cut' behaviours. This is the earliest reported stuff and cut' behaviour and inferred right-handedness in East Asia. It fills a temporal gap between the earliest known example in the African Early Pleistocene (similar to 1.8Ma) and the next known instance in the European Middle Pleistocene. This is also the first time the stuff and cut' behaviour and right-handedness has been reported in a hominin assigned to Homo erectus sensu lato. Copyright (c) 2017 John Wiley & Sons, Ltd.
关键词	Dental Scratches Early Pleistocene East Asia Handedness
WOS标题词	Science & Technology ; Social Sciences ; Life Sciences & Biomedicine
DOI	10.1002/oa.2601
关键词[WOS]	MIDDLE PLEISTOCENE ; ANTERIOR TEETH ; NEANDERTHALS ; ASYMMETRY ; HUMANS ; WEAR ; ATAPUERCA ; YUNXIAN ; CHINA ; SPAIN
收录类别	SSCI ; SSCI ; AHCI
语种	英语
项目资助者	Chinese Academy of Sciences(XDPB05) ; National Natural Science Foundation of China(41630102 ; NSF Foundation Graduate Research Fellowship Program(DGE-1343012) ; 41672020 ; 41372362 ; 41302016)
WOS研究方向	Anthropology ; Archaeology
WOS类目	Anthropology ; Archaeology
WOS记录号	WOS:000417475300001
出版者	WILEY
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/8712
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Xing, S.
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China 2.Ohio State Univ, Dept Anthropol, Columbus, OH 43210 USA 3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Xing, S.,O'Hara, M.,Guatelli-Steinberg, D.,et al. Dental Scratches and Handedness in East Asian Early Pleistocene Hominins[J]. INTERNATIONAL JOURNAL OF OSTEOARCHAEOLOGY,2017,27(6):937-946.
APA	Xing, S.,O'Hara, M.,Guatelli-Steinberg, D.,Ge, J.,&Liu, W..(2017).Dental Scratches and Handedness in East Asian Early Pleistocene Hominins.INTERNATIONAL JOURNAL OF OSTEOARCHAEOLOGY,27(6),937-946.
MLA	Xing, S.,et al."Dental Scratches and Handedness in East Asian Early Pleistocene Hominins".INTERNATIONAL JOURNAL OF OSTEOARCHAEOLOGY 27.6(2017):937-946.

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