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Hernaiz-García M, Zanolli C, Martín-Francés L, Mazurier A, Benazzi S, Sarig R, Fu J, Kullmer O, Fiorenza L. Masticatory habits of the adult Neanderthal individual BD 1 from La Chaise-de-Vouthon (France). AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2024; 184:e24926. [PMID: 38420653 DOI: 10.1002/ajpa.24926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 02/05/2024] [Accepted: 02/18/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVES The analysis of dental wear provides a useful approach for dietary and cultural habit reconstructions of past human populations. The analysis of macrowear patterns can also be used to better understand the individual chewing behavior and to investigate the biomechanical responses during different biting scenarios. The aim of this study is to evaluate the diet and chewing performance of the adult Neanderthal Bourgeois-Delaunay 1 (BD 1) and to investigate the relationship between wear and cementum deposition under mechanical demands. MATERIALS AND METHODS The macrowear pattern of BD 1 was analyzed using the occlusal fingerprint analysis method. We propose a new method for the bilateral measurement of the cementum volume along both buccal and lingual sides of the molar root. RESULTS BD 1's anterior dentition is more affected by wear compared to the posterior one. The macrowear pattern suggest a normal chewing behavior and a mixed-diet coming from temperate environments. The teeth on the left side of the mandible display greater levels of wear, as well as the buccal side of the molar crowns. The cementum analysis shows higher buccal volume along the molar roots. DISCUSSION BD1 could have been preferably chewing on the left side of the mandible. The exploitation of various food resources suggested by the macrowear analysis is compatible with the environmental reconstructions. Finally, the greater wear on the buccal side of the molar occlusal surface and the greater volume of cementum in that side of the molar roots offers a preliminary understanding about the potential correlation between dental wear and cementum deposition.
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Affiliation(s)
- María Hernaiz-García
- Monash Biomedicine Discovery Institute, Department of Anatomy and Developmental Biology, Monash University, Melbourne, Australia
| | | | - Laura Martín-Francés
- Monash Biomedicine Discovery Institute, Department of Anatomy and Developmental Biology, Monash University, Melbourne, Australia
- Department of Paleobiology, CENIEH, Burgos, Spain
| | - Arnaud Mazurier
- CNRS, Institut de Chimie des Milieux et Matériaux de Poitiers-IC2MP, Université de Poitiers, Poitiers, France
| | - Stefano Benazzi
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Rachel Sarig
- Department of Oral Biology, The Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Dan David Center for Human Evolution and Biohistory Research, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
| | - Jing Fu
- Department of Mechanical and Aerospace Engineering, Monash University, Melbourne, Australia
| | - Ottmar Kullmer
- Division of Palaeoanthropology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, Germany
- Department of Palaeobiology and Environment, Institute of Ecology, Evolution, and Diversity, Goethe University, Frankfurt, Germany
| | - Luca Fiorenza
- Monash Biomedicine Discovery Institute, Department of Anatomy and Developmental Biology, Monash University, Melbourne, Australia
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2
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Reconstructing Neanderthal diet: The case for carbohydrates. J Hum Evol 2021; 162:103105. [PMID: 34923240 DOI: 10.1016/j.jhevol.2021.103105] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 12/22/2022]
Abstract
Evidence for plants rarely survives on Paleolithic sites, while animal bones and biomolecular analyses suggest animal produce was important to hominin populations, leading to the perspective that Neanderthals had a very-high-protein diet. But although individual and short-term survival is possible on a relatively low-carbohydrate diet, populations are unlikely to have thrived and reproduced without plants and the carbohydrates they provide. Today, nutritional guidelines recommend that around half the diet should be carbohydrate, while low intake is considered to compromise physical performance and successful reproduction. This is likely to have been the same for Paleolithic populations, highlighting an anomaly in that the basic physiological recommendations do not match the extensive archaeological evidence. Neanderthals had large, energy-expensive brains and led physically active lifestyles, suggesting that for optimal health they would have required high amounts of carbohydrates. To address this anomaly, we begin by outlining the essential role of carbohydrates in the human reproduction cycle and the brain and the effects on physical performance. We then evaluate the evidence for resource availability and the archaeological evidence for Neanderthal diet and investigate three ways that the anomaly between the archaeological evidence and the hypothetical dietary requirements might be explained. First, Neanderthals may have had an as yet unidentified genetic adaptation to an alternative physiological method to spare blood glucose and glycogen reserves for essential purposes. Second, they may have existed on a less-than-optimum diet and survived rather than thrived. Third, the methods used in dietary reconstruction could mask a complex combination of dietary plant and animal proportions. We end by proposing that analyses of Paleolithic diet and subsistence strategies need to be grounded in the minimum recommendations throughout the life course and that this provides a context for interpretation of the archaeological evidence from the behavioral and environmental perspectives.
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Evidence of habitual behavior from non-alimentary dental wear on deciduous teeth from the Middle and Upper Paleolithic Cantabrian region, Northern Spain. J Hum Evol 2021; 158:103047. [PMID: 34403991 DOI: 10.1016/j.jhevol.2021.103047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 11/20/2022]
Abstract
The use of 'teeth as tools' (non-masticatory or cultural-related dental wear) has largely been employed as a proxy for studying of past human behavior, mainly in permanent dentition from adult individuals. Here we present the analysis of the non-masticatory dental wear modifications on the deciduous dentition assigned to eight Neanderthal and anatomically modern human subadult individuals from Mousterian to Magdalenian technocultural contexts in the Cantabrian region (Northern Spain). Although preliminary, we tentatively suggest that these eight subadults present activity-related dental wear, including cultural striations, chipped enamel, toothpick grooves, and subvertical grooves. We also found evidence of habitual dental hygienic practices in the form of toothpicking on a deciduous premolar. Orientation of the cultural striations indicates similar handedness development as in modern children. Taken together, these dental wear patterns support the participation of young individuals in group activities, making them potential contributors to group welfare. This study potentially adds new evidence to the importance of the use of the mouth in paramasticatory activities or as a third hand throughout the Pleistocene, which can be confirmed with a more specific reference sample.
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Integrating buccal and occlusal dental microwear with isotope analyses for a complete paleodietary reconstruction of Holocene populations from Hungary. Sci Rep 2021; 11:7034. [PMID: 33782444 PMCID: PMC8007593 DOI: 10.1038/s41598-021-86369-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 03/09/2021] [Indexed: 02/01/2023] Open
Abstract
Dietary reconstruction is used to make inferences about the subsistence strategies of ancient human populations, but it may also serve as a proxy to characterise their diverse cultural and technological manifestations. Dental microwear and stable isotope analyses have been shown to be successful techniques for paleodietary reconstruction of ancient populations but, despite yielding complementary dietary information, these techniques have rarely been combined within the same study. Here we present for the first time a comprehensive approach to interpreting ancient lifeways through the results of buccal and occlusal microwear, and δ13C and δ15N isotope analyses applied to the same individuals of prehistoric populations of Hungary from the Middle Neolithic to the Late Bronze Age periods. This study aimed to (a) assess if the combination of techniques yields a more precise assessment of past dietary and subsistence practices, and (b) contribute to our understanding of the dietary patterns of the prehistoric Hungarian populations. Overall, no correlations between microwear and δ13C and δ15N isotope variables were observed, except for a relationship between nitrogen and the vertical and horizontal index. However, we found that diachronic differences are influenced by the variation within the period. Particularly, we found differences in microwear and isotope variables between Middle Neolithic sites, indicating that there were different dietary practices among those populations. Additionally, microwear results suggest no changes in the abrasiveness of the diet, neither food processing methods, despite higher C4 plant resource consumption shown by carbon isotopic signal. Thus, we demonstrate that the integration of dental microwear and carbon and nitrogen stable isotope methodologies can provide complementary information for making inferences about paleodietary habits.
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Ben-Dor M, Sirtoli R, Barkai R. The evolution of the human trophic level during the Pleistocene. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2021; 175 Suppl 72:27-56. [PMID: 33675083 DOI: 10.1002/ajpa.24247] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 12/07/2020] [Accepted: 01/19/2021] [Indexed: 02/06/2023]
Abstract
The human trophic level (HTL) during the Pleistocene and its degree of variability serve, explicitly or tacitly, as the basis of many explanations for human evolution, behavior, and culture. Previous attempts to reconstruct the HTL have relied heavily on an analogy with recent hunter-gatherer groups' diets. In addition to technological differences, recent findings of substantial ecological differences between the Pleistocene and the Anthropocene cast doubt regarding that analogy's validity. Surprisingly little systematic evolution-guided evidence served to reconstruct HTL. Here, we reconstruct the HTL during the Pleistocene by reviewing evidence for the impact of the HTL on the biological, ecological, and behavioral systems derived from various existing studies. We adapt a paleobiological and paleoecological approach, including evidence from human physiology and genetics, archaeology, paleontology, and zoology, and identified 25 sources of evidence in total. The evidence shows that the trophic level of the Homo lineage that most probably led to modern humans evolved from a low base to a high, carnivorous position during the Pleistocene, beginning with Homo habilis and peaking in Homo erectus. A reversal of that trend appears in the Upper Paleolithic, strengthening in the Mesolithic/Epipaleolithic and Neolithic, and culminating with the advent of agriculture. We conclude that it is possible to reach a credible reconstruction of the HTL without relying on a simple analogy with recent hunter-gatherers' diets. The memory of an adaptation to a trophic level that is embedded in modern humans' biology in the form of genetics, metabolism, and morphology is a fruitful line of investigation of past HTLs, whose potential we have only started to explore.
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Affiliation(s)
- Miki Ben-Dor
- Department of Archaeology, Tel Aviv University, Tel Aviv, Israel
| | | | - Ran Barkai
- Department of Archaeology, Tel Aviv University, Tel Aviv, Israel
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Oxilia G, Bortolini E, Badino F, Bernardini F, Gazzoni V, Lugli F, Romandini M, Radini A, Terlato G, Marciani G, Silvestrini S, Menghi Sartorio JC, Thun Hohenstein U, Fiorenza L, Kullmer O, Tuniz C, Moggi Cecchi J, Talamo S, Fontana F, Peresani M, Benazzi S, Cristiani E. Exploring late Paleolithic and Mesolithic diet in the Eastern Alpine region of Italy through multiple proxies. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 174:232-253. [PMID: 32914870 PMCID: PMC7918647 DOI: 10.1002/ajpa.24128] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 06/30/2020] [Accepted: 07/09/2020] [Indexed: 11/30/2022]
Abstract
Objectives The analysis of prehistoric human dietary habits is key for understanding the effects of paleoenvironmental changes on the evolution of cultural and social human behaviors. In this study, we compare results from zooarchaeological, stable isotope and dental calculus analyses as well as lower second molar macrowear patterns to gain a broader understanding of the diet of three individuals who lived between the end of the Late Pleistocene and the Early Holocene (ca., 17–8 ky cal BP) in the Eastern Alpine region of Italy. Materials and methods We analyze individuals buried at the sites of Riparo Tagliente (Verona), Riparo Villabruna, and Mondeval de Sora (Belluno). The three burials provide a unique dataset for diachronically exploring the influence of climatic changes on human subsistence strategies. Results Isotopic results indicate that all individuals likely relied on both terrestrial and freshwater animal proteins. Even though dental calculus analysis was, in part, hindered by the amount of mineral deposit available on the teeth, tooth macrowear study suggests that the dietary habits of the individuals included plant foods. Moreover, differences in macrowear patterns of lower second molars have been documented between Neanderthals and modern humans in the present sample, due to a prevalence of Buccal wear among the former as opposed to higher values of Lingual wear in modern human teeth. Discussion Isotopic analyses have emphasized the contribution of animal proteins in the diet of the three foragers from the Eastern Alpine region. The possible intake of carbohydrate‐rich plant foods, suggested by the retrieval of plant remains in dental calculus, is supported by the signal of macrowear analysis. Moreover, the latter method indicates that the distribution of macrowear in lower second molars (M2s) allows us to discriminate between Neanderthals and modern humans within the present reference sample. Overall, our results show these three prehistoric hunter‐gatherers were well adapted to the environment in which they lived exploiting many natural resources.
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Affiliation(s)
- Gregorio Oxilia
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy.,DANTE Diet and Ancient Technology Laboratory, Department of Oral and Maxillo Facial Sciences Sapienza University, Rome, Italy
| | - Eugenio Bortolini
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Federica Badino
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy.,C.N.R. - Istituto di Geologia Ambientale e Geoingegneria, Milan, Italy
| | - Federico Bernardini
- Centro Fermi, Museo Storico della Fisica e Centro di Studi e Ricerche Enrico Fermi, Rome, Italy.,Multidisciplinary Laboratory, The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy
| | - Valentina Gazzoni
- Department of Humanities-Section of Prehistoric and Anthropological Sciences, University of Ferrara, Ferrara, Italy
| | - Federico Lugli
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy.,Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Matteo Romandini
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy.,Department of Humanities-Section of Prehistoric and Anthropological Sciences, University of Ferrara, Ferrara, Italy
| | - Anita Radini
- DANTE Diet and Ancient Technology Laboratory, Department of Oral and Maxillo Facial Sciences Sapienza University, Rome, Italy
| | - Gabriele Terlato
- Department of Humanities-Section of Prehistoric and Anthropological Sciences, University of Ferrara, Ferrara, Italy
| | - Giulia Marciani
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Sara Silvestrini
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy
| | - Jessica C Menghi Sartorio
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy.,Department of Humanities-Section of Prehistoric and Anthropological Sciences, University of Ferrara, Ferrara, Italy
| | - Ursula Thun Hohenstein
- Department of Humanities-Section of Prehistoric and Anthropological Sciences, University of Ferrara, Ferrara, Italy
| | - Luca Fiorenza
- Monash Biomedicine Discovery Institute, Department of Anatomy and Developmental Biology, Monash University, Melbourne, Victoria, Australia.,Earth Sciences, University of New England, Armidale, New South Wales, Australia
| | - Ottmar Kullmer
- Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, Germany.,Department of Paleobiology and Environment, Institute of Ecology, Evolution, and Diversity, Johann Wolfgang Goethe University, Frankfurt, Germany
| | - Claudio Tuniz
- Centro Fermi, Museo Storico della Fisica e Centro di Studi e Ricerche Enrico Fermi, Rome, Italy.,Multidisciplinary Laboratory, The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy.,Centre for Archaeological Science, University of Wollongong, Wollongong, New South Wales, Australia
| | | | - Sahra Talamo
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.,Department of Chemistry "G. Ciamician", University of Bologna, Bologna, Italy
| | - Federica Fontana
- Department of Humanities-Section of Prehistoric and Anthropological Sciences, University of Ferrara, Ferrara, Italy
| | - Marco Peresani
- C.N.R. - Istituto di Geologia Ambientale e Geoingegneria, Milan, Italy.,Department of Humanities-Section of Prehistoric and Anthropological Sciences, University of Ferrara, Ferrara, Italy
| | - Stefano Benazzi
- Department of Cultural Heritage, University of Bologna, Ravenna, Italy.,Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Emanuela Cristiani
- DANTE Diet and Ancient Technology Laboratory, Department of Oral and Maxillo Facial Sciences Sapienza University, Rome, Italy
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Williams AC, Hill LJ. Nicotinamide as Independent Variable for Intelligence, Fertility, and Health: Origin of Human Creative Explosions? Int J Tryptophan Res 2019; 12:1178646919855944. [PMID: 31258332 PMCID: PMC6585247 DOI: 10.1177/1178646919855944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 05/03/2019] [Indexed: 12/28/2022] Open
Abstract
Meat and nicotinamide acquisition was a defining force during the 2-million-year evolution of the big brains necessary for, anatomically modern, Homo sapiens to survive. Our next move was down the food chain during the Mesolithic 'broad spectrum', then horticultural, followed by the Neolithic agricultural revolutions and progressively lower average 'doses' of nicotinamide. We speculate that a fertility crisis and population bottleneck around 40 000 years ago, at the time of the Last Glacial Maximum, was overcome by Homo (but not the Neanderthals) by concerted dietary change plus profertility genes and intense sexual selection culminating in behaviourally modern Homo sapiens. Increased reliance on the 'de novo' synthesis of nicotinamide from tryptophan conditioned the immune system to welcome symbionts, such as TB (that excrete nicotinamide), and to increase tolerance of the foetus and thereby fertility. The trade-offs during the warmer Holocene were physical and mental stunting and more infectious diseases and population booms and busts. Higher nicotinamide exposure could be responsible for recent demographic and epidemiological transitions to lower fertility and higher longevity, but with more degenerative and auto-immune disease.
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Affiliation(s)
- Adrian C Williams
- Department of Neurology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Lisa J Hill
- School of Biomedical Sciences, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK
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Ungar PS, Livengood SV, Crittenden AN. Dental microwear of living Hadza foragers. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2019; 169:356-367. [DOI: 10.1002/ajpa.23836] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 03/02/2019] [Accepted: 03/31/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Peter S. Ungar
- Department of AnthropologyUniversity of Arkansas Fayetteville Arkansas
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Schmidt CW, Remy A, Van Sessen R, Willman J, Krueger K, Scott R, Mahoney P, Beach J, McKinley J, D'Anastasio R, Chiu L, Buzon M, De Gregory JR, Sheridan S, Eng J, Watson J, Klaus H, Da-Gloria P, Wilson J, Stone A, Sereno P, Droke J, Perash R, Stojanowski C, Herrmann N. Dental microwear texture analysis of Homo sapiens sapiens: Foragers, farmers, and pastoralists. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2019; 169:207-226. [PMID: 30888064 DOI: 10.1002/ajpa.23815] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 02/15/2019] [Accepted: 02/19/2019] [Indexed: 11/09/2022]
Abstract
OBJECTIVES The current study seeks to determine if a sample of foragers, farmers, and pastoralists are distinguishable based on their dental microwear texture signatures. MATERIALS AND METHODS The study included a sample of 719 individuals from 51 archeological sites (450 farmers, 192 foragers, 77 pastoralists). All were over age 12 and sexes were pooled. Using a Sensofar® white-light confocal profiler we collected dental microwear texture analysis (DMTA) data from a single first or second molar from each individual. We leveled and cleaned data clouds following standard procedures and analyzed the data with Sfrax® and Toothfrax® software. The DMTA variables were complexity and anisotropy. Statistics included ANOVA with partial eta squared and Hedges's g. We also performed a follow-up K-means cluster analysis. RESULTS We found significant differences between foragers and farmers and pastoralists for complexity and anisotropy, with foragers having greater complexity than either the farmers or the pastoralists. The farmers and pastoralists had greater anisotropy than the foragers. The Old World foragers had significantly higher anisotropy values than New World foragers. Old and New World farmers did not differ. Among the Old World farmers, those dating from the Neolithic through the Late Bronze Age had higher complexity values than those from the Iron Age through the medieval period. The cluster analysis discerned foragers and farmers but also indicated similarity between hard food foragers and hard food farmers. DISCUSSION Our findings reaffirm that DMTA is capable of distinguishing human diets. We found that foragers and farmers, in particular, differ in their microwear signatures across the globe. There are some exceptions, but nothing that would be unexpected given the range of human diets and food preparation techniques. This study indicates that in general DMTA is an efficacious means of paleodietary reconstruction in humans.
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Affiliation(s)
| | - Ashley Remy
- Fluorescence Microscopy and Cell Imaging Shared Resource, Comprehensive Cancer Center, University of New Mexico, Albuquerque, New Mexico
| | - Rebecca Van Sessen
- Department of Anthropology, University of Indianapolis, Indianapolis, Indiana
| | - John Willman
- IPHES, Institut Català de Paleoecologia Humana i Evolució Social, Tarragona, Spain.,Area de Prehistoria, Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - Kristin Krueger
- Department of Anthropology, Loyola University Chicago, Chicago, Illinois
| | - Rachel Scott
- Department of Anthropology, University of Auckland, Auckland, New Zealand
| | - Patrick Mahoney
- Department of Anthropology, University of Kent, Canterbury, United Kingdom
| | - Jeremy Beach
- Department of Anthropology, University of Indianapolis, Indianapolis, Indiana
| | | | - Ruggero D'Anastasio
- Department of Anthropology, Università degli Studi "G. d'Annunzio", Chieti, Italy
| | - Laura Chiu
- Department of Anthropology, University of Indianapolis, Indianapolis, Indiana
| | - Michele Buzon
- Department of Sociology and Anthropology, Purdue University, West Lafayette, Indiana
| | | | - Susan Sheridan
- Department of Anthropology, Notre Dame, Notre Dame, Indiana
| | - Jacqueline Eng
- Department of Anthropology, Western Michigan University, Kalamazoo, Michigan
| | - James Watson
- School of Anthropology University of Arizona, Arizona State Museum, Tuscon, Arizona
| | - Haagen Klaus
- Sociology and Anthroplogy, George Mason University, Fairfax, Virginia.,Museo Nacional Sicán, Ferreñafe, Peru
| | - Pedro Da-Gloria
- Graduate Program in Anthropology, Federal University of Para, Belém, Brazil
| | - Jeremy Wilson
- Department of Anthropology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana
| | - Abigail Stone
- Department of Anthropology, Loyola University Chicago, Chicago, Illinois
| | - Paul Sereno
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois
| | - Jessica Droke
- Department of Anthropology, University of Wyoming, Laramie, Wyoming
| | - Rose Perash
- Department of Anthropology, University of Nevada, Reno, Nevada
| | | | - Nicholas Herrmann
- Department of Anthropology, Texas State University, San Marcos, Texas
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Oxilia G, Bortolini E, Martini S, Papini A, Boggioni M, Buti L, Figus C, Sorrentino R, Townsend G, Kaidonis J, Fiorenza L, Cristiani E, Kullmer O, Moggi‐Cecchi J, Benazzi S. The physiological linkage between molar inclination and dental macrowear pattern. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2018; 166:941-951. [PMID: 29633246 PMCID: PMC6120545 DOI: 10.1002/ajpa.23476] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 02/14/2018] [Accepted: 03/21/2018] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Exact symmetry and perfect balance between opposite jaw halves, as well as between antagonistic teeth, is not frequently observed in natural masticatory systems. Research results show that asymmetry in our body, skull, and jaws is often related to genetic, epigenetic, environmental and individual ontogenetic factors. Our study aims to provide evidence for a significant link between masticatory asymmetry and occlusal contact between antagonist teeth by testing the hypothesis that tooth inclination is one of the mechanisms driving distribution of wear in masticatory phases in addition to dietary and cultural habits. MATERIALS AND METHODS The present work investigates the relationship between dental macrowear patterns and tooth inclinations on a sample of complete maxillary and mandibular 3D models of dental arches from 19 young and adult Yuendumu Aboriginal individuals. The analysis was carried out on first molars (M1) from all quadrants. Occlusal Fingerprint Analysis was used for the quantification of macrowear patterns, and 2D cross-sectional geometric analysis was carried out to investigate asymmetry in dental arches. RESULTS The asymmetry is highly variable on both arches, and it is associated with differences in the inclination of upper M1 crowns. Each molar has variable inclination (buccal/lingual) which influence tooth to tooth contact, producing greater or lesser variation in wear pattern. Interindividual variability of morphological variation of the occlusal relationship has to be considered in macrowear analysis. DISCUSSION Our results suggest that overall asymmetry in the masticatory apparatus in modern humans affects occlusal contact areas between antagonist teeth influencing macrowear and chewing efficiency during ontogeny.
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Affiliation(s)
- Gregorio Oxilia
- Department of Oral and Maxillo Facial SciencesSapienza University, Via Caserta 6Roma 00161Italy
- Department of BiologyUniversity of Florence, Via del Proconsolo, 12Firenze 50122Italy
- Department of Cultural HeritageUniversity of Bologna, Via degli Ariani 1Ravenna 48121Italy
| | - Eugenio Bortolini
- Department of Cultural HeritageUniversity of Bologna, Via degli Ariani 1Ravenna 48121Italy
| | - Sergio Martini
- Dental Lab Technician, via Milani, 1ParonaVerona 37124Italy
| | - Andrea Papini
- Dentist's Surgery, via Walter Tobagi 35Prato 59100Italy
| | - Marco Boggioni
- Dentist's Surgery, via D'Andrade 34/207Genova Sestri Ponente 16154Italy
| | - Laura Buti
- Department of Cultural HeritageUniversity of Bologna, Via degli Ariani 1Ravenna 48121Italy
| | - Carla Figus
- Department of Cultural HeritageUniversity of Bologna, Via degli Ariani 1Ravenna 48121Italy
| | - Rita Sorrentino
- Department of Cultural HeritageUniversity of Bologna, Via degli Ariani 1Ravenna 48121Italy
- Department of Biological, Geological and Environmental Sciences—BiGeAUniversity of Bologna, Via Selmi 3Bologna 40126Italy
| | - Grant Townsend
- Adelaide Dental SchoolThe University of AdelaideAdelaideAustralia
| | - John Kaidonis
- Adelaide Dental SchoolThe University of AdelaideAdelaideAustralia
| | - Luca Fiorenza
- Department of Anatomy and Developmental BiologyMonash UniversityMelbourneVIC 3800Australia
- Earth SciencesUniversity of New EnglandArmidaleNSW 2351Australia
| | - Emanuela Cristiani
- Department of Oral and Maxillo Facial SciencesSapienza University, Via Caserta 6Roma 00161Italy
| | - Ottmar Kullmer
- Senckenberg Research Institute, Senckenberganlage 25Frankfurt am Main 60325Germany
- Department of Paleobiology and EnvironmentInstitute of Ecology, Evolution, and Diversity, Johann Wolfgang Goethe University, Max‐von‐Laue‐Str. 13Frankfurt 60438Germany
| | - Jacopo Moggi‐Cecchi
- Department of BiologyUniversity of Florence, Via del Proconsolo, 12Firenze 50122Italy
| | - Stefano Benazzi
- Department of Cultural HeritageUniversity of Bologna, Via degli Ariani 1Ravenna 48121Italy
- Department of Human EvolutionMax Planck Institute for Evolutionary Anthropology, Deutscher Platz 6Leipzig 04103Germany
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Estalrrich A, El Zaatari S, Rosas A. Dietary reconstruction of the El Sidrón Neandertal familial group (Spain) in the context of other Neandertal and modern hunter-gatherer groups. A molar microwear texture analysis. J Hum Evol 2017; 104:13-22. [DOI: 10.1016/j.jhevol.2016.12.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 12/19/2016] [Accepted: 12/20/2016] [Indexed: 10/20/2022]
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El Zaatari S, Grine FE, Ungar PS, Hublin JJ. Neandertal versus Modern Human Dietary Responses to Climatic Fluctuations. PLoS One 2016; 11:e0153277. [PMID: 27119336 PMCID: PMC4847867 DOI: 10.1371/journal.pone.0153277] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 03/25/2016] [Indexed: 11/26/2022] Open
Abstract
The Neandertal lineage developed successfully throughout western Eurasia and effectively survived the harsh and severely changing environments of the alternating glacial/interglacial cycles from the middle of the Pleistocene until Marine Isotope Stage 3. Yet, towards the end of this stage, at the time of deteriorating climatic conditions that eventually led to the Last Glacial Maximum, and soon after modern humans entered western Eurasia, the Neandertals disappeared. Western Eurasia was by then exclusively occupied by modern humans. We use occlusal molar microwear texture analysis to examine aspects of diet in western Eurasian Paleolithic hominins in relation to fluctuations in food supplies that resulted from the oscillating climatic conditions of the Pleistocene. There is demonstrable evidence for differences in behavior that distinguish Upper Paleolithic humans from members of the Neandertal lineage. Specifically, whereas the Neandertals altered their diets in response to changing paleoecological conditions, the diets of Upper Paleolithic humans seem to have been less affected by slight changes in vegetation/climatic conditions but were linked to changes in their technological complexes. The results of this study also indicate differences in resource exploitation strategies between these two hominin groups. We argue that these differences in subsistence strategies, if they had already been established at the time of the first contact between these two hominin taxa, may have given modern humans an advantage over the Neandertals, and may have contributed to the persistence of our species despite habitat-related changes in food availabilities associated with climate fluctuations.
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Affiliation(s)
- Sireen El Zaatari
- Paleoanthropology, Senckenberg Center for Human Evolution and Paleoenvironment, Eberhard Karls Universität Tübingen, Tübingen, Germany
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- * E-mail:
| | - Frederick E. Grine
- Department of Anthropology, Stony Brook University, Stony Brook, New York, United States of America
- Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York, United States of America
| | - Peter S. Ungar
- Department of Anthropology, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Jean-Jacques Hublin
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
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