Patrick Mahoney

University of Kent

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Douglas Gorham

Institute of Electrical and Electronics Engineers

Thomas Siegert

Canadian Standards Association

Michael Inggs

University of Cape Town

Irena Hajnsek

Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

Steven C. Reising

Colorado State University

Adriano Camps

Universitat Politècnica de Catalunya

Jón Atli Benediktsson

University of Iceland

William J. Emery

University of Colorado Boulder

D Kunkee

The Aerospace Corporation

Matthew Loeb

Institute of Electrical and Electronics Engineers

Cooperative Institutions

Institute of Electrical and Electronics Engineers

133

Canadian Standards Association

Conference Board

Universidad de Extremadura

University of Pavia

Marina Del Rey Hospital

Applied Radar (United States)

Royal Military Academy

Gorgias Press (United States)

Jet Propulsion Laboratory

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IEEE Geoscience and Remote Sensing Letters publication information

IEEE Geoscience and Remote Sensing Letters (2013)

M Crawford Kamal Sarabandi Adriano Camps James Smith W Vice

10.1109/lgrs.2013.2279724

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Citations (0)

Dental microwear texture analysis ofHomo sapienssapiens: Foragers, farmers, and pastoralists

American Journal of Physical Anthropology (2019)

Christopher W. Schmidt Ashley Remy Rebecca Van Sessen John C. Willman Kristin L. Krueger

The current study seeks to determine if a sample of foragers, farmers, and pastoralists are distinguishable based on their dental microwear texture signatures.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.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.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.

Homo sapiens

Pastoralism

Texture (cosmology)

10.1002/ajpa.23815

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Citations (39)

Beaker people in Britain: migration, mobility and diet

Antiquity (2016)

Mike Parker Pearson Andrew Chamberlain Mandy Jay Michael P. Richards Alison Sheridan

Abstract

Beaker

10.15184/aqy.2016.72

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Citations (78)

Molar crown formation in the Late Miocene Asian hominoids, Sivapithecus parvada and Sivapithecus indicus

Journal of Human Evolution (2007)

Patrick Mahoney Tanya M. Smith Gary T. Schwartz Christopher Dean Jay Kelley

Gorilla

Hominidae

10.1016/j.jhevol.2007.01.007

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Citations (32)

IEEE Geoscience and Remote Sensing Letters publication information

IEEE Geoscience and Remote Sensing Letters (2013)

M Crawford K Sarabandi Adriano Camps James Smith W Vice

10.1109/lgrs.2013.2287063

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Citations (0)

Bone deep: Variation in stable isotope ratios and histomorphometric measurements of bone remodelling within adult humans

Journal of Archaeological Science (2017)

Geraldine E. Fahy Chris Deter Rosie Pitfield Justyna J. Miszkiewicz Patrick Mahoney

Osteon

Bone remodeling

Isotopes of nitrogen

Skeleton (computer programming)

δ15N

10.1016/j.jas.2017.09.009

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Citations (152)

Formation Times in Thermally Altered Enamel

Elsevier eBooks (2015)

Patrick Mahoney Justyna J. Miszkiewicz

10.1016/b978-0-12-800451-7.00020-6

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Citations (5)

Technical note: Estimating original crown height in worn mandibular canines using aspects of dentin morphology

American Journal of Physical Anthropology (2021)

Gina McFarlane Bruce Floyd Caitlin Bonham Smith Patrick Mahoney

We present a novel method to estimate original crown height (OCH) for worn human mandibular canines using a cubic regression equation based on ratios of worn crown height and exposed dentin. This method may help alleviate issues frequently presented by worn teeth in dental analyses, including those in bioarchaeology. Mandibular canines (n = 28) from modern day New Zealand and English populations were selected. Crown height and dentin thickness were measured on dental thin sections (n = 19) and the resulting (log10) ratios were fitted to a cubic regression curve allowing OCH in worn crowns to be predicted. Variation in the dentin apex position was recorded and effects of angled wear slopes investigated allowing adjusted values to be generated. Our method is trialed for use on intact and sectioned teeth (n = 17). A cubic regression curve best describes the relationship between (log10) ratios and crown height deciles (R2 = 0.996, df1 = 3, df2 = 336, p < 0.001). No significant differences were detected between OCH estimates using our method and digitally recreated cusp outlines of the same crowns (t = 1.024, df = 16, p > 0.05), with a mean absolute error of 0.171 mm and an adjusted coefficient of determination of 0.923. Our approach offers a quantitative method to estimate the percentage of OCH remaining on worn mandibular canines, and by extension, the OCH. Our estimates are comparable to digitally recreated cusps but less subjective and not limited to crowns with minimal wear.

10.1002/ajpa.24385

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IEEE Geoscience and Remote Sensing Letters publication information

IEEE Geoscience and Remote Sensing Letters (2014)

M Crawford Kamal Sarabandi Adriano Camps James Smith William J. Emery

10.1109/lgrs.2014.2371971

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Dental microwear from Natufian hunter‐gatherers and early Neolithic farmers: Comparisons within and between samples

American Journal of Physical Anthropology (2006)

Patrick Mahoney

Abstract Microwear patterns from Natufian hunter‐gatherers (12,500–10,250 bp) and early Neolithic (10,250–7,500 bp) farmers from northern Israel are correlated with location on facet nine and related to an archaeologically suggested change in food preparation. Casts of permanent second mandibular molars are examined with a scanning electron microscope at a magnification of 500×. Digitized micrographs are taken from the upper and lower part of facet nine. Microwear patterns are recorded with an image‐analysis computer program and compared within and between samples, using univariate and multivariate analyses. Comparisons within samples reveal a greater frequency of pits on the lower part of the facet among the farmers, compared to the upper part. Microwear does not vary over the facet among the hunter‐gatherers. Comparisons between samples reveal larger dental pits (length and width) and wider scratches among the farmers at the bottom of the facet, compared to the hunter‐gatherers. Microwear does not vary between samples at the top of the facet. The microwear patterns suggest that the Natufian to early Neolithic development led to a harder diet, and this is related to an archaeologically suggested change in food processing. The harder diet of the early farmers may have required higher bite forces that were exerted at the bottom of facet nine, in the basin of the tooth. Am J Phys Anthropol, 2006. © 2006 Wiley‐Liss, Inc.

Facet (psychology)

Hunter-gatherer

Univariate

10.1002/ajpa.20311

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Citations (60)