Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations
International audience Abstract Objectives Through biodistance analyses, anthropologists have used dental morphology to elucidate how people moved into and throughout the Americas. Here, we apply a method that focuses on individuals rather than sample frequencies through the application rASUDAS2, ba...
Published in: | American Journal of Biological Anthropology |
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Online Access: | https://hal.science/hal-04544213 https://doi.org/10.1002/ajpa.24878 |
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ftunivlille:oai:HAL:hal-04544213v1 2024-06-23T07:49:09+00:00 Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations Scott, G. Richard Navega, David Vlemincq-Mendieta, Tatiana Dern, Laresa O'Rourke, Dennis Hlusko, Leslea Hoffecker, John University of Nevada Reno Centre for Functional ecology University of Coimbra Portugal (UC) Unité de Taphonomie médico-légale et Anatomie - ULR 7367 (UTML&A) Université de Lille-Centre Hospitalier Régional Universitaire CHU Lille (CHRU Lille) University of Kansas Lawrence (KU) Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) Institute of Arctic Alpine Research University of Colorado Boulder (INSTAAR) University of Colorado Boulder 2023-11-28 https://hal.science/hal-04544213 https://doi.org/10.1002/ajpa.24878 en eng HAL CCSD Wiley info:eu-repo/semantics/altIdentifier/doi/10.1002/ajpa.24878 hal-04544213 https://hal.science/hal-04544213 doi:10.1002/ajpa.24878 EISSN: 2692-7691 American Journal of Biological Anthropology https://hal.science/hal-04544213 American Journal of Biological Anthropology, 2023, ⟨10.1002/ajpa.24878⟩ [SHS.ANTHRO-BIO]Humanities and Social Sciences/Biological anthropology info:eu-repo/semantics/article Journal articles 2023 ftunivlille https://doi.org/10.1002/ajpa.24878 2024-06-10T14:29:01Z International audience Abstract Objectives Through biodistance analyses, anthropologists have used dental morphology to elucidate how people moved into and throughout the Americas. Here, we apply a method that focuses on individuals rather than sample frequencies through the application rASUDAS2, based on a naïve Bayes' algorithm. Materials and methods Using the database of C.G. Turner II, we calculated the probability that an individual could be assigned to one of seven biogeographic groups (American Arctic, North & South America, East Asia, Southeast Asia & Polynesia, Australo‐Melanesia, Western Eurasia, & Sub‐Saharan Africa) through rASUDAS2. The frequency of classifications for each biogeographic group was determined for 1418 individuals from six regions across Asia and the Americas. Results Southeast Asians show mixed assignments but rarely to American Arctic or “American Indian.” East Asians are assigned to East Asia half the time while 30% are assigned as Native American. People from the American Arctic and North & South America are assigned to Arctic America or non‐Arctic America 75%–80% of the time, with 10%–15% classified as East Asian. Discussion All Native American groups have a similar degree of morphological affinity to East Asia, as 10%–15% are classified as East Asian. East Asians are classified as Native American in 30% of cases. Individuals in the Western Hemisphere are decreasingly classified as Arctic the farther south they are located. Equivalent levels of classification as East Asian across all Native American groups suggests one divergence between East Asians and the population ancestral to all Native Americans. Non‐arctic Native American groups are derived from the Arctic population, which represents the Native American founder group. Article in Journal/Newspaper Arctic Arctic Population LillOA (HAL Lille Open Archive, Université de Lille) Arctic Indian American Journal of Biological Anthropology |
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Open Polar |
collection |
LillOA (HAL Lille Open Archive, Université de Lille) |
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ftunivlille |
language |
English |
topic |
[SHS.ANTHRO-BIO]Humanities and Social Sciences/Biological anthropology |
spellingShingle |
[SHS.ANTHRO-BIO]Humanities and Social Sciences/Biological anthropology Scott, G. Richard Navega, David Vlemincq-Mendieta, Tatiana Dern, Laresa O'Rourke, Dennis Hlusko, Leslea Hoffecker, John Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations |
topic_facet |
[SHS.ANTHRO-BIO]Humanities and Social Sciences/Biological anthropology |
description |
International audience Abstract Objectives Through biodistance analyses, anthropologists have used dental morphology to elucidate how people moved into and throughout the Americas. Here, we apply a method that focuses on individuals rather than sample frequencies through the application rASUDAS2, based on a naïve Bayes' algorithm. Materials and methods Using the database of C.G. Turner II, we calculated the probability that an individual could be assigned to one of seven biogeographic groups (American Arctic, North & South America, East Asia, Southeast Asia & Polynesia, Australo‐Melanesia, Western Eurasia, & Sub‐Saharan Africa) through rASUDAS2. The frequency of classifications for each biogeographic group was determined for 1418 individuals from six regions across Asia and the Americas. Results Southeast Asians show mixed assignments but rarely to American Arctic or “American Indian.” East Asians are assigned to East Asia half the time while 30% are assigned as Native American. People from the American Arctic and North & South America are assigned to Arctic America or non‐Arctic America 75%–80% of the time, with 10%–15% classified as East Asian. Discussion All Native American groups have a similar degree of morphological affinity to East Asia, as 10%–15% are classified as East Asian. East Asians are classified as Native American in 30% of cases. Individuals in the Western Hemisphere are decreasingly classified as Arctic the farther south they are located. Equivalent levels of classification as East Asian across all Native American groups suggests one divergence between East Asians and the population ancestral to all Native Americans. Non‐arctic Native American groups are derived from the Arctic population, which represents the Native American founder group. |
author2 |
University of Nevada Reno Centre for Functional ecology University of Coimbra Portugal (UC) Unité de Taphonomie médico-légale et Anatomie - ULR 7367 (UTML&A) Université de Lille-Centre Hospitalier Régional Universitaire CHU Lille (CHRU Lille) University of Kansas Lawrence (KU) Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) Institute of Arctic Alpine Research University of Colorado Boulder (INSTAAR) University of Colorado Boulder |
format |
Article in Journal/Newspaper |
author |
Scott, G. Richard Navega, David Vlemincq-Mendieta, Tatiana Dern, Laresa O'Rourke, Dennis Hlusko, Leslea Hoffecker, John |
author_facet |
Scott, G. Richard Navega, David Vlemincq-Mendieta, Tatiana Dern, Laresa O'Rourke, Dennis Hlusko, Leslea Hoffecker, John |
author_sort |
Scott, G. Richard |
title |
Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations |
title_short |
Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations |
title_full |
Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations |
title_fullStr |
Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations |
title_full_unstemmed |
Peopling of the Americas: A new approach to assessing dental morphological variation in Asian and Native American populations |
title_sort |
peopling of the americas: a new approach to assessing dental morphological variation in asian and native american populations |
publisher |
HAL CCSD |
publishDate |
2023 |
url |
https://hal.science/hal-04544213 https://doi.org/10.1002/ajpa.24878 |
geographic |
Arctic Indian |
geographic_facet |
Arctic Indian |
genre |
Arctic Arctic Population |
genre_facet |
Arctic Arctic Population |
op_source |
EISSN: 2692-7691 American Journal of Biological Anthropology https://hal.science/hal-04544213 American Journal of Biological Anthropology, 2023, ⟨10.1002/ajpa.24878⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1002/ajpa.24878 hal-04544213 https://hal.science/hal-04544213 doi:10.1002/ajpa.24878 |
op_doi |
https://doi.org/10.1002/ajpa.24878 |
container_title |
American Journal of Biological Anthropology |
_version_ |
1802639416764661760 |