Ecology of dental disease.

abstract：OBJECTIVES:This research theoretically models and empirically records symphyseal surface strain during in vitro human mandibular wishboning (lateral transverse bending) in order to test one aspect of the hypothesis that the chin is an adaptive response to masticatory stresses. From a perspective of optimality, three qu...

journal_title：American journal of physical anthropology

authors： Pampush JD,Daegling DJ

更新日期：2016-02-01 00:00:00

abstract：OBJECTIVES:This paper addresses the prevalence and pattern of physical violence in the prehispanic society of Gran Canaria and discusses its link with the social structure and insular context in which that people lived. MATERIALS AND METHODS:347 prehispanic crania from Guayadeque Ravine (575-1415 AD) have been examine...

journal_title：American journal of physical anthropology

authors： Delgado-Darias T,Alberto-Barroso V,Velasco-Vázquez J

更新日期：2018-05-01 00:00:00

abstract：:The ecological pressures shaping chimpanzee anatomy and behavior are the subject of much discussion in primatology and paleoanthropology, yet empirical data on fundamental parameters including body size, morbidity, and mortality are rare for wild chimpanzees. Here, we present skeletal pathology and body size data for ...

journal_title：American journal of physical anthropology

authors： Carter ML,Pontzer H,Wrangham RW,Peterhans JK

更新日期：2008-04-01 00:00:00

abstract：OBJECTIVES:The growth of tooth dentin is incremental, so its formation represents a dietary record in early life. With archeological skeletons, applying sequential stable isotope analysis to the horizontal sections of tooth dentin has revealed weaning patterns and dietary changes that took place during childhood. Howev...

journal_title：American journal of physical anthropology

authors： Tsutaya T

更新日期：2020-12-01 00:00:00

abstract：:This study analyzed skeletal health disparities among African American and Euro-American males of low socioeconomic status born between 1825 and 1877. A total of 651 skeletons from the Cobb, Hamann-Todd, and Terry anatomical collections were macroscopically examined for skeletal pathologies related to dietary deficien...

journal_title：American journal of physical anthropology

authors： de la Cova C

更新日期：2011-04-01 00:00:00

abstract：OBJECTIVES:One-male social systems are usually characterized by polygyny and reproductive exclusion by a single resident male. Sometimes, however, secondary males join these groups, and this may carry fitness costs and/or benefits to the resident male. In hamadryas baboons (Papio hamadryas hamadryas), which live in one...

journal_title：American journal of physical anthropology

authors： Chowdhury S,Pines M,Saunders J,Swedell L

更新日期：2015-11-01 00:00:00

abstract：:Understanding the mechanical features of cortical bone and their changes with growth and adaptation to function plays an important role in our ability to interpret the morphology and evolution of craniofacial skeletons. We assessed the elastic properties of cortical bone of juvenile and adult baboon mandibles using ul...

journal_title：American journal of physical anthropology

authors： Wang Q,Ashley DW,Dechow PC

更新日期：2010-04-01 00:00:00

abstract：OBJECTIVES:Little research exists documenting levels of intestinal inflammation among indigenous populations where exposure to macroparasites, like soil-transmitted helminths (STHs), is common. Reduced STH exposure is hypothesized to contribute to increased prevalence of elevated intestinal inflammation in wealthy nati...

journal_title：American journal of physical anthropology

authors： Cepon-Robins TJ,Gildner TE,Schrock J,Eick G,Bedbury A,Liebert MA,Urlacher SS,Madimenos FC,Harrington CJ,Amir D,Bribiescas RG,Sugiyama LS,Snodgrass JJ

更新日期：2019-09-01 00:00:00

abstract：:Teilhardina belgica is one of the earliest fossil primates ever recovered and the oldest fossil primate from Europe. As such, this taxon has often been hypothesized as a basal tarsiiform on the basis of its primitive dental formula with four premolars and a simplified molar cusp pattern. Until recently [see Rose et al...

journal_title：American journal of physical anthropology

authors： Gebo DL,Smith R,Dagosto M,Smith T

更新日期：2015-03-01 00:00:00

abstract：:The Bantu languages are widely distributed throughout sub-Saharan Africa. Genetic research supports linguists and historians who argue that migration played an important role in the spread of this language family, but the genetic data also indicates a more complex process involving substantial gene flow with resident ...

journal_title：American journal of physical anthropology

authors： Batai K,Babrowski KB,Arroyo JP,Kusimba CM,Williams SR

更新日期：2013-03-01 00:00:00

abstract：OBJECTIVES:This study aims to evaluate the use of quantitative methods of measuring variation in scalp hair fiber shape and pigmentation and carry out exploratory data analysis on a limited sample of individuals from diverse populations in order to inform future avenues of research for the evolution of modern human hai...

journal_title：American journal of physical anthropology

authors： Lasisi T,Ito S,Wakamatsu K,Shaw CN

更新日期：2016-06-01 00:00:00

abstract：:A group of Taiwan aborigines, the Toroko, was typed for 21 classical genetic loci. This is part of an ongoing program aimed at a comprehensive study of Taiwan aborigines. In this first paper a short summary of historical, archeological, and anthropological data in the literature is made, and results of the present sur...

journal_title：American journal of physical anthropology

authors： Chen KH,Cann H,Chen TC,Van West B,Cavalli-Sforza L

更新日期：1985-03-01 00:00:00

abstract：:Compared to most quadrupedal mammals, humans are energetically inefficient when running at high speeds. This fact can be taken to mean that human dipedalism evolved for reasons other than to reduce relative energy cost durding locomotion. Recalculation of the energy expending expended during human walking at normal sp...

journal_title：American journal of physical anthropology

authors： Rodman PS,McHenry HM

更新日期：1980-01-01 00:00:00

abstract：AIMS AND OBJECTIVES:The transition to an agricultural economy is often presumed to involve an increase in female fertility related to changes in weaning practice. In particular, the availability of staple crops as complementary foods is hypothesized to allow earlier weaning in agricultural populations. In this study, o...

journal_title：American journal of physical anthropology

authors： King CL,Halcrow SE,Millard AR,Gröcke DR,Standen VG,Portilla M,Arriaza BT

更新日期：2018-05-01 00:00:00

abstract：OBJECTIVES:Studies of the carbon and nitrogen stable isotope ratios (δ(13) C and δ(15) N) of modern tissues with a fast turnover, such as hair and fingernails, have established the relationship between these values in mothers and their infants during breastfeeding and weaning. Using collagen from high-resolution dentin...

journal_title：American journal of physical anthropology

authors： Beaumont J,Montgomery J,Buckberry J,Jay M

更新日期：2015-07-01 00:00:00

abstract：:Dispersed pair-living primates provide a unique model for illuminating the evolution of mechanisms regulating spacing and cohesiveness in permanently cohesive groups. We present for the first time data on the spatiotemporal distribution and loud-calling behavior of the Milne Edwards' sportive lemur, known to forage so...

journal_title：American journal of physical anthropology

authors： Rasoloharijaona S,Randrianambinina B,Braune P,Zimmermann E

更新日期：2006-04-01 00:00:00

abstract：:Pursuant to his major research interest in the cultural ecology of hunter-gatherers, Birdsell collected an unparalleled body of phenotypic data on Aboriginal Australians during the mid twentieth century. Birdsell did not explicitly relate the geographic patterning in his data to Australia's climatic variation, instead...

journal_title：American journal of physical anthropology

authors： Gilligan I,Bulbeck D

更新日期：2007-09-01 00:00:00

abstract：:Twenty healthy men were asked to walk as straight as possible to a target 60 m away at normal speed. A series of footprints was recorded for each subject by having him wear socks soaked with red ink and walk on white paper fixed flat to the floor. Fourier analysis was applied to determine whether the subjects actually...

journal_title：American journal of physical anthropology

authors： Uetake T

更新日期：1992-09-01 00:00:00

abstract：:Heterogeneity and small sample size are problems that affect many paleodemographic studies. The former can cause the overall distribution of age at death to be an amalgam that does not accurately reflect the distributions of any of the groups composing the heterogeneous population. The latter can make it difficult to ...

journal_title：American journal of physical anthropology

authors： Whittington SL

更新日期：1991-06-01 00:00:00

abstract：OBJECTIVES:The objectives of this study are to describe genetic correlations between dental dimensions in a platyrrhine primate, to assess whether the brown-mantled tamarin dentition exhibits genetic modularity by tooth type, and to discuss the relationship between body size reduction and the genetic architecture of de...

journal_title：American journal of physical anthropology

authors： Hardin AM

更新日期：2019-07-01 00:00:00

abstract：OBJECTIVES:The present study aimed at investigating the timing of birth across the day in a rural population of indigenous and nonindigenous women in the province of Formosa, Argentina in order to explore the variation in patterns in a non-Western setting. MATERIALS AND METHODS:This study utilized birth record data tr...

journal_title：American journal of physical anthropology

authors： Chaney C,Goetz LG,Valeggia C

更新日期：2018-08-01 00:00:00

abstract：:This study was designed to investigate the relationship between traditional skeletal cephalometric measurement and Fourier analysis of the lateral soft-tissue profile. A random sample of 121 untreated subjects of European descent, with wide ranges of malocclusions and underlying facial patterns, was selected in the Or...

journal_title：American journal of physical anthropology

authors： Rose AD,Woods MG,Clement JG,Thomas CD

更新日期：2003-06-01 00:00:00

abstract：:The objective of this investigation was to analyze the underlying cause(s) of secular changes in craniofacial dimensions among indigenous children in an isolated community in Oaxaca, southern Mexico, between 1968-2000. Subjects were schoolchildren resident in a rural, agrarian, Zapotec-speaking community in the Valley...

journal_title：American journal of physical anthropology

authors： Little BB,Buschang PH,Peña Reyes ME,Tan SK,Malina RM

更新日期：2006-09-01 00:00:00

abstract：:Museum curators and living communities are sometimes reluctant to permit ancient DNA (aDNA) studies of human skeletal remains because the extraction of aDNA usually requires the destruction of at least some skeletal material. Whether these views stem from a desire to conserve precious materials or an objection to dest...

journal_title：American journal of physical anthropology

authors： Bolnick DA,Bonine HM,Mata-Míguez J,Kemp BM,Snow MH,LeBlanc SA

更新日期：2012-02-01 00:00:00

abstract：:Adult males in social groups often compete with other male group members for access to adult females. In some primate species, males also seek mating opportunities in neighboring social groups. Such extra-group fertilizations (EGFs) provide an additional source of variation in male fitness. This additional component o...

journal_title：American journal of physical anthropology

authors： Lawler RR

更新日期：2007-02-01 00:00:00

abstract：:Human skeletal robusticity is influenced by a number of factors, including habitual behavior, climate, and physique. Conflicting evidence as to the relative importance of these factors complicates our ability to interpret variation in robusticity in the past. It remains unclear how the pattern of robusticity in the sk...

journal_title：American journal of physical anthropology

authors： Stock JT

更新日期：2006-10-01 00:00:00

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 macr...

journal_title：American journal of physical anthropology

authors： 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

更新日期：2021-02-01 00:00:00

abstract：:Historically, medical concerns about the deleterious effects of closely inbred marriages have focused on the risk posed by recessive Mendelian disease, with much less attention to developmental instability. We studied the effects of inbreeding (first-cousin marriage) on growth and fluctuating asymmetry of 200 full-ter...

journal_title：American journal of physical anthropology

authors： Ozener B,Graham JH

更新日期：2014-01-01 00:00:00

abstract：:Human interactions with nonhuman primates vary tremendously, from daily cultural engagements and food commodities, to pet ownership and tourist encounters. These interactions provide opportunities for the exchange of pathogenic organisms (both zoonoses and anthroponoses). As exposures are not limited to areas where bu...

journal_title：American journal of physical anthropology

authors： Muehlenbein MP

更新日期：2017-01-01 00:00:00

abstract：:The goal of this research is to evaluate the relative strength of the influences of diet, size, and phylogenetic signal on dental geometric shape. Accurate comprehension of these factors and their interaction is important for reconstructing diet and deriving characters for a cladistic analysis in fossil primates. Geom...

journal_title：American journal of physical anthropology

authors： St Clair EM,Boyer DM

更新日期：2016-10-01 00:00:00