A functional analysis of the primate masticatory system and the origin of the anthropoid post-orbital septum.

abstract：:The Yakuts are a Turkic-speaking population from northeastern Siberia who are believed to have originated from ancient Turkic populations in South Siberia, based on archaeological and ethnohistorical evidence. In order to better understand Yakut origins, we modeled 25 demographic scenarios and tested by coalescent sim...

journal_title：American journal of physical anthropology

authors： Zlojutro M,Tarskaia LA,Sorensen M,Snodgrass JJ,Leonard WR,Crawford MH

更新日期：2009-08-01 00:00:00

abstract：:A Monte Carlo simulation based on the population structure of a small-scale human population, the Semai Senoi of Malaysia, has been developed to study the combined effects of group, kin, and individual selection. The population structure resembles D.S. Wilson's structured deme model in that local breeding populations ...

journal_title：American journal of physical anthropology

authors： Fix AG

更新日期：1984-10-01 00:00:00

abstract：:In investigating the dermatoglyphics of hyperactive subjects, it was proposed that if similar hyperactives were sampled and significant differences were found from suitable controls, a genetic effect could be responsible. From two clinical populations, we ascertained 26 subjects in 24 sibships comprising the hyperacti...

journal_title：American journal of physical anthropology

authors： Morgan LY,Juberg RC,Juberg DR,Hardman RP

更新日期：1982-11-01 00:00:00

abstract：:Two hundred black and white adult human skeletons and 200 living black and white children from the greater Cleveland area were examined for evidence of enamel hypoplasia. Enamel hypoplasia, present in varying expressings (pits, lines and grooves), was found to be more prevalent in both skeletal samples, than in the li...

journal_title：American journal of physical anthropology

authors： El-Najjar MY,DeSanti MV,Ozebek L

更新日期：1978-02-01 00:00:00

abstract：:An examination of the Vértesszöllös occipital bone indicates the need for takings its condition and preservation as well as certain aspects of its morphology into account prior to a metric assessment of its features. This analysis confirms the presence of extrasutural bones on the lambdoidal suture as well as some dis...

journal_title：American journal of physical anthropology

authors： Wolpoff MH

更新日期：1977-11-01 00:00:00

abstract：:Various workers, including T. D. Stewart, claim that the aboriginal Americas were relatively disease-free because of the bering Strait cold-screen, eliminating many pathogens, and the paucity of zoonotic infections because of few domestic animals. Evidence of varying validity suggests that precontact Americns had thei...

journal_title：American journal of physical anthropology

authors： Newman MT

更新日期：1976-11-01 00:00:00

abstract：OBJECTIVES:Although the evolution of the hominin masticatory apparatus has been linked to diet and food processing, the physical connection between neurocranium and lower jaw suggests a role of encephalization in the trend of dental and mandibular reduction. Here, the hypothesis that tooth size and mandibular robustici...

journal_title：American journal of physical anthropology

authors： Veneziano A,Meloro C,Irish JD,Stringer C,Profico A,De Groote I

更新日期：2018-09-01 00:00:00

abstract：:The relationship between ethnicity and biology is of interest to anthropologists, biomedical scientists, and historians in understanding how human groups are constructed. Ethnic self-identification in recently admixed groups such as Hispanics, African Americans, and Native Americans (NA) is likely to be complex due to...

journal_title：American journal of physical anthropology

authors： Klimentidis YC,Miller GF,Shriver MD

更新日期：2009-04-01 00:00:00

abstract：:Lactase persistence (LP) is the phenotypic trait in which lactase secretion is maintained during adulthood. LP is due to mutations in the LCT enhancer region, located 14-kb upstream of the gene. In Europeans, the -13910*T allele is associated with LP. In Africans this allele is rare while other mutations in this same ...

journal_title：American journal of physical anthropology

authors： Friedrich DC,Callegari-Jacques SM,Petzl-Erler ML,Tsuneto L,Salzano FM,Hutz MH

更新日期：2012-03-01 00:00:00

abstract：:Sattenspiel and Harpending (1983, American Antiquity 48(3): 489-498) have stated that the life expectancy at birth (e0(0] which paleodemographers calculate from skeletal population data is actually the mean age at death (ad) of the population. Yet, only when a population is neither growing or declining (i.e., is stati...

journal_title：American journal of physical anthropology

authors： Horowitz S,Armelagos G,Wachter K

更新日期：1988-06-01 00:00:00

abstract：:This study analyzes the distribution of ten protein genetic polymorphisms in eighteen populations from the most densely inhabited areas of Cameroon. The languages spoken belong to three different linguistic families [Afro-Asiatic (AA), Nilo-Saharan (NS) and Niger-Kordofanian (NK)]. The analysis of variation of allele ...

journal_title：American journal of physical anthropology

authors： Spedini G,Destro-Bisol G,Mondovì S,Kaptué L,Taglioli L,Paoli G

更新日期：1999-10-01 00:00:00

abstract：:At least 29 species of fossil primates have been referred to fruit, nectar, and/or exudate feeding dietary niches. Many studies have detailed the morphological correlates of fruit feeding in comparison to insectivory and folivory. In contrast, few studies have sought to differentiate the morphological correlates of fr...

journal_title：American journal of physical anthropology

authors： Dumont ER

更新日期：1997-02-01 00:00:00

abstract：:The size of the permanent human canine tooth is one of the few sexually dimorphic features to be present in childhood and as such offers the opportunity to assist in the identification of sex in remains where no other appropriate criteria exist, such as in subadults. However, canine odontometrics are often associated ...

journal_title：American journal of physical anthropology

authors： Hassett B

更新日期：2011-11-01 00:00:00

abstract：:Morphological measurements were collected from 12 wild and 12 captive mona monkeys (Cercopithecus mona) on the Caribbean island of Grenada. Mona monkeys were introduced to Grenada from Africa approximately 200 to 300 years ago during the slave trade era. Wild monkeys were captured using either 1) a baited treadle-door...

journal_title：American journal of physical anthropology

authors： Glenn ME,Bensen KJ

更新日期：1998-04-01 00:00:00

abstract：OBJECTIVES:To infer the ecogeographic conditions that underlie the evolutionary diversification of macaques, we investigated the within- and between-species relationships of craniodental dimensions, geography, and environment in extant macaque species. We studied evolutionary processes by contrasting macroevolutionary ...

journal_title：American journal of physical anthropology

authors： Grunstra NDS,Mitteroecker P,Foley RA

更新日期：2018-06-01 00:00:00

abstract：:Appeals to synapomorphic features of the wrist and hand in African apes, early hominins, and modern humans as evidence of knuckle-walking ancestry for the hominin lineage rely on accurate interpretations of those features as adaptations to knuckle-walking locomotion. Because Gorilla, Pan, and Homo share a relatively c...

journal_title：American journal of physical anthropology

authors： Orr CM

更新日期：2005-11-01 00:00:00

abstract：:Dramatic changes in cranial capacity have characterized human evolution. Important evolutionary hypotheses, such as the spatial packing hypothesis, assert that increases in relative brain size (encephalization) have caused alterations to the modern human skull, resulting in a suite of traits unique among extant primat...

journal_title：American journal of physical anthropology

authors： Lesciotto KM,Richtsmeier JT

更新日期：2019-01-01 00:00:00

abstract：:Multivariate and cluster analyses of human skeletal remains of seven regional groups and nine individual sites and periods reveal different patterns of relationships for the sexes. This complex pattern of morphological affinities probably depends on differential demographic features. ...

journal_title：American journal of physical anthropology

authors： Rathbun TA

更新日期：1982-09-01 00:00:00

abstract：:Several studies on human energetics have been conducted in developed and developing countries, but very few simultaneously measured time use and energy expenditure. Only a few quantitatively compared subsistence patterns between rural and urban dwellers of an identical population. Here we present the daily physical ac...

journal_title：American journal of physical anthropology

authors： Yamauchi T,Umezaki M,Ohtsuka R

更新日期：2001-03-01 00:00:00

abstract：:A suite of measurements was collected from the talus, calcaneus, navicular, and cuboid of humans from Southern China, Victorian Britain, Roman Britain, and Zulu tribes people from the Republic of South Africa. Univariate and multivariate statistical analyses of dimensions of individual foot bones revealed subtle but d...

journal_title：American journal of physical anthropology

authors： Kidd RS,Oxnard CE

更新日期：2002-02-01 00:00:00

abstract：:The Gilbert-McKern method for aging the female Os pubis has attained popularity following Gilbert's ('73) demonstration that the McKern-Stewart male standards are not directly applicable to females. In order to assess the reliability of the method, forensic anthropologists were asked to age a set of 11 pubes of known ...

journal_title：American journal of physical anthropology

authors： Suchey JM

更新日期：1979-09-01 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：OBJECTIVES:Vertical clinging and climbing have been integral to hypotheses about primate origins, yet little is known about how an animal with nails instead of claws resists gravity while on large, vertical, and cylindrical substrates. Here we test models of how force is applied to maintain posture, predicting (1) the ...

journal_title：American journal of physical anthropology

authors： Johnson LE,Hanna J,Schmitt D

更新日期：2015-11-01 00:00:00

abstract：:Patterns of water consumption by past human populations are rarely considered, yet drinking behavior is socially mediated and access to water sources is often socially controlled. Oxygen isotope analysis of archeological human remains is commonly used to identify migrants in the archeological record, but it can also b...

journal_title：American journal of physical anthropology

authors： Lightfoot E,Slaus M,O'Connell TC

更新日期：2014-08-01 00:00:00

abstract：:We conducted behavioral observations simultaneously with fecal sample collection on eight nonlactating females 2-3 times per week, October 1997-March 1998, to examine the relationship between ovarian hormones and the sexual behavior of female Japanese macaques (Macaca fuscata) during the mating season. We analyzed sam...

journal_title：American journal of physical anthropology

authors： O'Neill AC,Fedigan LM,Ziegler TE

更新日期：2004-12-01 00:00:00

abstract：:The aim of this review is to put core features of human sexuality in an evolutionary light. Toward that end, I address five topics concerning the evolution of human sexuality. First, I address theoretical foundations, including recent critiques and developments. While much traces back to Darwin and his view of sexual ...

journal_title：American journal of physical anthropology

authors： Gray PB

更新日期：2013-12-01 00:00:00

abstract：:In the last 20 years, studies on human identified skeletal collections have revealed a significant relationship between new bone formation on the visceral surface of ribs and pulmonary tuberculosis (TB). To improve methods of differential diagnosis of respiratory diseases in archaeological skeletons, an investigation ...

journal_title：American journal of physical anthropology

authors： Matos V,Santos AL

更新日期：2006-06-01 00:00:00

abstract：:The growth of the maxillary complex of 36 rhesus monkeys (Macaca mulatta) was analyzed quantitatively and qualitatively during four defined stages of postnatal development (i.e., infant, juvenile, adolescent, young adult). At each stage, growth was observed during a 24 week period. Since some animals were observed dur...

journal_title：American journal of physical anthropology

authors： McNamara JA Jr,Riolo ML,Enlow DH

更新日期：1976-01-01 00:00:00

abstract：:Accurately estimating biological sex from the human skeleton can be especially difficult for fragmentary or incomplete remains often encountered in bioarchaeological contexts. Where typical anatomically dimorphic skeletal regions are incomplete or absent, observers often take their best guess to classify biological se...

journal_title：American journal of physical anthropology

authors： Passalacqua NV,Zhang Z,Pierce SJ

更新日期：2013-08-01 00:00:00

abstract：:Although it is commonly stated that the ischia of the late Pliocence-early Pleistocene hominid fossils are long and ape-like, new interpretations show this view to be falacious. An important new theory proposed by Robinson concludes that the gracile form of early hominid was an efficient biped, but the robust form was...

journal_title：American journal of physical anthropology

authors： McHenry HM

更新日期：1975-07-01 00:00:00