Out of the mouths of baboons: stress, life history, and dental development in the Awash National Park hybrid zone, Ethiopia.

abstract：:The Spearman-Brown Prophesy formula, derived from psychometrics, may be used in anthropometric studies to describe the relationship between the intraclass reliability coefficient for a single measurement and the reliability resulting from the mean of replicate measurements. This theory may be applied to determine expe...

journal_title：American journal of physical anthropology

authors： Himes JH

更新日期：1989-05-01 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：:The reproductive histories of women aged 45-70 years from a homogeneous Berber population of South Morocco were sampled from three contrasting environments: a small town (n = 75), villages in the lowlands (n = 217), and villages in the highlands (n = 128). The main reproductive variables oppose the relatively better c...

journal_title：American journal of physical anthropology

authors： Crognier E

更新日期：1996-06-01 00:00:00

abstract：:Interpretations of skeletal anatomy claiming to show that Neandertals could not have had a similar supralaryngeal vocal apparatus to that of humans are demonstrated to be flawed. Correction of the errors suggests that the Neandertal vocal apparatus need not have differed from that of recent humans. ...

journal_title：American journal of physical anthropology

authors： Houghton P

更新日期：1993-02-01 00:00:00

abstract：:A matrix decomposition model for analyzing prehistoric intracemetery biological variability is presented. The model, based on the correlation between interindividual biological and burial distance matrices, provides an estimate of the number of distinct burial populations interred within a single cemetery, which effec...

journal_title：American journal of physical anthropology

authors： Stojanowski CM

更新日期：2003-11-01 00:00:00

abstract：:Chimpanzees show cultural differences among populations across Africa but also between neighboring communities. The extent of these differences among neighbors, however, remains largely unknown. Comparing three neighboring chimpanzee community in the Taï National Park, Côte d'Ivoire, we found 27 putative cultural trai...

journal_title：American journal of physical anthropology

authors： Luncz LV,Boesch C

更新日期：2015-01-01 00:00:00

abstract：:A host of ecological, anatomical, and physiological selective pressures are hypothesized to have played a role in the evolution of hominid bipedalism. A referential model, based on the chimpanzee (Pan troglodytes) and bonobo (Pan paniscus), was used to test through experimental manipulation four hypotheses on the evol...

journal_title：American journal of physical anthropology

authors： Videan EN,McGrew WC

更新日期：2002-06-01 00:00:00

abstract：:Work on the interspecific and intraspecific variation of trabecular bone in the proximal femur of primates demonstrates important architectural variation between animals with different locomotor behaviors. This variation is thought to be related to the processes of bone adaptation whereby bone structure is optimized t...

journal_title：American journal of physical anthropology

authors： Ryan TM,van Rietbergen B

更新日期：2005-01-01 00:00:00

abstract：:Geographic information systems (GIS) software is typically used for analyzing geographically distributed data, allowing users to annotate points or areas on a map and attach data for spatial analyses. While traditional GIS-based research involves geo-referenced data (points tied to geographic locations), the use of th...

journal_title：American journal of physical anthropology

authors： Rose DC,Agnew AM,Gocha TP,Stout SD,Field JS

更新日期：2012-08-01 00:00:00

abstract：:Genealogical and gene marker data from the closely related species Macaca mulatta and Macaca fascicularis have been used to search for linkage between genes coding for the blood proteins albumin, carbonic anhydrase 1 and 2, diaphorase 1 and 2, group-specific component, glucose phosphate isomerase, hemoglobin alpha cha...

journal_title：American journal of physical anthropology

authors： Ferrell RE,Majumder PP,Smith DG

更新日期：1985-11-01 00:00:00

abstract：:Nine human mandibular first premolars were examined to assess variation in external morphology and enamel structural organization within a tooth type. The relationship of enamel ultrastructure to gross dental morphology was also studied. The teeth were cut in the mesiodistal direction just lingual to the buccal cusp, ...

journal_title：American journal of physical anthropology

authors： Stern D,Skobe Z

更新日期：1985-10-01 00:00:00

abstract：:This study uses data resampling to test the null hypothesis that the degree of variation in the cranial capacity of the Dmanisi hominid sample is within the range variation of a single species. The statistical significance of the variation in the Dmanisi sample is examined using simulated distributions based on compar...

journal_title：American journal of physical anthropology

authors： Lee SH

更新日期：2005-07-01 00:00:00

abstract：:It is well established that some observed patterns of force production in the primate masticatory system match those predicted by a simplified lever model. This model is also commonly invoked in adaptive explanations of craniodental diversity. However, systematic studies of the predictive power of this model are missi...

journal_title：American journal of physical anthropology

authors： Spencer MA

更新日期：1999-04-01 00:00:00

abstract：:European populations have both a particularly long history of pulmonary tuberculosis and extremely high frequencies of cystic fibrosis (CF). While carriers of the recessive gene are asymptomatic for CF disease, their fibroblasts produce excessive amounts of hyaluronic acid, whose role in successful isolation of virule...

journal_title：American journal of physical anthropology

authors： Meindl RS

更新日期：1987-09-01 00:00:00

abstract：OBJECTIVES:Neandertal femora are particularly known for having a marked sagittal femoral curvature. This study examined femoral curvature in Neandertals in comparison to a modern human population from Belgium by the use of three-dimensional (3D) quadric surfaces modeled from the bone surface. 3D models provide detailed...

journal_title：American journal of physical anthropology

authors： Chapman T,Sholukha V,Semal P,Louryan S,Van Sint Jan S

更新日期：2018-01-01 00:00:00

abstract：:We analysed the frequency of six Y-specific polymorphisms in 105 Amerindian males from seven different populations, 42 Caucasian males, and a small number of males of African, Chinese, and Melanesian origin. The combination of three of the six polymorphisms studied produced four different Y-haplogroups. The haplogroup...

journal_title：American journal of physical anthropology

authors： Bianchi NO,Bailliet G,Bravi CM,Carnese RF,Rothhammer F,Martínez-Marignac VL,Pena SD

更新日期：1997-01-01 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：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:European ancestry in many populations in Latin America at autosomal loci is often higher than that from X-linked loci indicating more European male ancestry and more Amerindian female ancestry. Generally, this has been attributed to more European male gene flow but could also result from an advantage to Euro...

journal_title：American journal of physical anthropology

authors： Hedrick PW

更新日期：2017-07-01 00:00:00

abstract：:Temporal changes, within-group variation, and phylogenetic positions of the Early Pleistocene Javanese hominids remain unclear. Recent debate focused on the age of the oldest Javanese hominids, but the argument so far includes little morphological basis for the fossils. To approach these questions, we analyzed a compr...

journal_title：American journal of physical anthropology

authors： Kaifu Y,Baba H,Aziz F,Indriati E,Schrenk F,Jacob T

更新日期：2005-12-01 00:00:00

abstract：:The Madjars are a previously unstudied population from Kazakhstan who practice a form of local exogamy in which wives are brought in from neighboring tribes, but husbands are not, so the paternal lineages remain genetically isolated within the population. Their name bears a striking resemblance to the Magyars who have...

journal_title：American journal of physical anthropology

authors： Bíró AZ,Zalán A,Völgyi A,Pamjav H

更新日期：2009-07-01 00:00:00

abstract：:Pair-bonding in the genus Papio seems to be the result of fusion of troops as well as fission. When troop segments regularly split and join again, males who permanently maintain exclusive access to a few females may have an advantage over males who compete for all females who are in estrus. When two or more troops reg...

journal_title：American journal of physical anthropology

authors： Anderson CM

更新日期：1983-01-01 00:00:00

abstract：:I analyzed the finger prints of 59 male and 48 female unrelated Bengalis in a rehabilitation camp of Dacca, Bangladesh. The most common pattern type in the Bengalis was the ulnar loop (53%), then whorls (40%); arches (5%) and radial loops (2%) were the least common. Radial loops occurred most frequently on the index f...

journal_title：American journal of physical anthropology

authors： Morgan LY

更新日期：1979-02-01 00:00:00

abstract：OBJECTIVES:We investigate whether age profiles of Tsimane forager-horticulturalists' reported skill development are consistent with predictions derived from life history theory about the timing of productivity and reproduction. Previous studies of forager skill development have often focused on a few abilities (e.g. hu...

journal_title：American journal of physical anthropology

authors： Schniter E,Gurven M,Kaplan HS,Wilcox NT,Hooper PL

更新日期：2015-09-01 00:00:00

abstract：:Phenotypic variability is evaluated in a series of skeletal samples from the Apalachee region of Florida. Based on ethnohistoric evidence, several predictive models for changes in variability are generated. If variability decreases through time, this likely represents the effect of genetic drift in populations experie...

journal_title：American journal of physical anthropology

authors： Stojanowski CM

更新日期：2003-04-01 00:00:00

abstract：:A total of 582 individuals (1,164 chromosomes) from two African, eight African-derived South American, five South American Amerindian, and three Brazilian urban populations were studied at four variable number of tandem repeat (VNTR) and two short tandem repeat (STR) hypervariable loci. These two sets of loci did not ...

journal_title：American journal of physical anthropology

authors： Da Silva WA Jr,Bortolini MC,Meyer D,Salzano FM,Elion J,Krishnamoorthy R,Schneider MP,De Guerra DC,Layrisse Z,Castellano HM,Weimer TD,Zago MA

更新日期：1999-08-01 00:00:00

abstract：:Dentitions of 208 prehistoric skeletal specimens from five geographic regions of Oregon were studied to describe their dental status. Comparisons were made of the incidence of specific pathologies among regions and between jaws. Maxillary premortem tooth losses were significantly higher than mandibular tooth loss. A r...

journal_title：American journal of physical anthropology

authors： Hall RL,Morrow R,Clarke JH

更新日期：1986-03-01 00:00:00

abstract：:In this paper we develop a model that examines fertility and childhood mortality patterns and their relationship to environmental variables. Interactions among environmental variables can account for different fertility patterns and different mixes of these variables can produce similar patterns of fertility. Our mode...

journal_title：American journal of physical anthropology

authors： Pennington R,Harpending H

更新日期：1988-11-01 00:00:00

abstract：:Two threshold models, a single locus model, and two combined models are fitted to data on familial incidence of bipolar affective disorder in 194 nuclear families ascertained through a bipolar proband. The relative fit of alternative transmission models is tested by a likelihood ratio chi-square with the degrees of fr...

journal_title：American journal of physical anthropology

authors： O'Rourke DH,McGuffin P,Reich T

更新日期：1983-09-01 00:00:00

abstract：:Associations between season of birth and body size, morbidity, and mortality have been widely documented, but it is unclear whether different parts of the body are differentially sensitive, and if such effects persist through childhood. This may be relevant to understanding the relationship between early life environm...

journal_title：American journal of physical anthropology

authors： Pomeroy E,Wells JC,Stanojevic S,Miranda JJ,Cole TJ,Stock JT

更新日期：2014-05-01 00:00:00