Neandertal supralaryngeal vocal tract.

abstract：:It is often suggested that the frontal sinus morphology of no two individuals is alike, and that the configuration of the frontal sinus is as unique to an individual as his or her fingerprints. However, no empirical, quantitative testing of the uniqueness of frontal sinus outlines has ever been performed. Such testing...

journal_title：American journal of physical anthropology

authors： Christensen AM

更新日期：2005-07-01 00:00:00

abstract：:The Hadar site in Ethiopia is a prolific source of hominid fossils attributed to the species Australopithecus afarensis, which spans the period 3.4-3.0 million years (myr) in the Sidi Hakoma, Denen Dora and lower Kada Hadar Members of the Hadar Formation. Since 1992 a major focus of field work conducted at Hadar has c...

journal_title：American journal of physical anthropology

authors： Kimbel WH,Johanson DC,Rak Y

更新日期：1997-06-01 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：:Little is known about ingested food size (V(b)) in primates, even though this variable has potentially important effects on food intake and processing. This study provides the first data on V(b) in strepsirrhine primates using a captive sample of 17 species. These data can be used for generating and testing models of ...

journal_title：American journal of physical anthropology

authors： Perry JM,Hartstone-Rose A

更新日期：2010-08-01 00:00:00

abstract：:Humans are limited in their capacity to convert protein into energy. We present a hypothesis that a "bell" shaped thorax and a wide pelvis evolved in Neandertals, at least in part, as an adaptation to a high protein diet. A high protein diet created a need to house an enlarged liver and urinary system in a wider lower...

journal_title：American journal of physical anthropology

authors： Ben-Dor M,Gopher A,Barkai R

更新日期：2016-07-01 00:00:00

abstract：OBJECTIVES:African American populations in the U.S. formed primarily by mating between Africans and Europeans over the last 500 years. To date, studies of admixture have focused on either a one-time admixture event or continuous input into the African American population from Europeans only. Our goal is to gain a bette...

journal_title：American journal of physical anthropology

authors： Gross JM

更新日期：2018-02-01 00:00:00

abstract：OBJECTIVES:Interbirth intervals (IBIs) are a key metric of female reproductive success; understanding how they are regulated by environmental, social, and demographic factors can provide insight into sources of variance in female fitness. MATERIALS AND METHODS:Using 36 years of reproductive data on 490 IBIs for 160 wi...

journal_title：American journal of physical anthropology

authors： Gesquiere LR,Altmann J,Archie EA,Alberts SC

更新日期：2018-05-01 00:00:00

abstract：:We have used two modern computerized handheld reflectometers, the Photovolt ColorWalk colorimeter (a tristimulus colorimeter; Photovolt, UMM Electronics, Indianapolis, IN) and the DermaSpectrometer (a specialized narrow-band reflectometer; Cortex Technology, Hadsund, Denmark), to compare two methods for the objective ...

journal_title：American journal of physical anthropology

authors： Shriver MD,Parra EJ

更新日期：2000-05-01 00:00:00

abstract：:Principal components analysis was used to quantify the variability in crown outlines of maxillary molars in Australian Aboriginals. The outlines were measured by 36 radii from the central pit to the crown periphery. The first component, responsible for over half of the total variance, was concerned with general crown ...

journal_title：American journal of physical anthropology

authors： Yamada H,Brown T

更新日期：1990-07-01 00:00:00

abstract：:Human physique classification by somatotype assumes that adult humans are geometric similar to each other. However, this assumption has yet to be adequately tested in athletic and nonexercising human populations. In this study, we assessed this assumption by comparing the mass exponents associated with girth measureme...

journal_title：American journal of physical anthropology

authors： Nevill AM,Stewart AD,Olds T,Holder R

更新日期：2004-06-01 00:00:00

abstract：:The most common live-born human aneuploidy is trisomy 21, which causes Down syndrome (DS). Dosage imbalance of genes on chromosome 21 (Hsa21) affects complex gene-regulatory interactions and alters development to produce a wide range of phenotypes, including characteristic facial dysmorphology. Little is known about h...

journal_title：American journal of physical anthropology

authors： Starbuck JM,Cole TM 3rd,Reeves RH,Richtsmeier JT

更新日期：2013-05-01 00:00:00

abstract：:The new species Agerinia smithorum (Adapiformes, Primates) from the early Eocene of the Iberian Peninsula is erected in this work. An emended diagnosis of the genus is provided, together with a broad description of the new species and comparisons with other samples assigned to Agerinia and other similar medium-sized c...

journal_title：American journal of physical anthropology

authors： Femenias-Gual J,Minwer-Barakat R,Marigó J,Moyà-Solà S

更新日期：2016-09-01 00:00:00

abstract：:On the basis of new examination of ancient DNA and craniometric analyses, Neolithic dispersal in Central Europe has been recently explained as reflecting colonization or at least a major influx of near eastern farmers. Given the fact that Neolithic dispersal in Central Europe was very rapid and extended into a large a...

journal_title：American journal of physical anthropology

authors： Galeta P,Sládek V,Sosna D,Bruzek J

更新日期：2011-09-01 00:00:00

abstract：:Tolerant food sharing among human foragers can largely be explained by reciprocity. In contrast, food sharing among chimpanzees and bonobos may not always reflect reciprocity, which could be explained by different dominance styles: in egalitarian societies reciprocity is expressed freely, while in more despotic groups...

journal_title：American journal of physical anthropology

authors： Jaeggi AV,Stevens JM,Van Schaik CP

更新日期：2010-09-01 00:00:00

abstract：:Haplogroup R1a1-M198 is a major clade of Y chromosomal haplogroups which is distributed all across Eurasia. To this date, many efforts have been made to identify large SNP-based subgroups and migration patterns of this haplogroup. The origin and spread of R1a1 chromosomes in Eurasia has, however, remained unknown due ...

journal_title：American journal of physical anthropology

authors： Pamjav H,Fehér T,Németh E,Pádár Z

更新日期：2012-12-01 00:00:00

abstract：:In this paper we discuss diet and health changes of millet agriculturists in Northern China, Shaanxi province, during the period 7,000-4,000 BP. An episode of intensive climatic oscillations that preceded the onset of colder climate circa the fifth millennium BP divides the period (Shi et al. [1993] Global Planet. Cha...

journal_title：American journal of physical anthropology

authors： Pechenkina EA,Benfer RA Jr,Zhijun W

更新日期：2002-01-01 00:00:00

abstract：:Interest in the developmental changes leading to apomorphic features of human anatomy is longstanding. Although most research has focused on quantitative measures of size and shape, additional information may be available in the sequence of events in development, including aspects of phenotypic integration. I apply tw...

journal_title：American journal of physical anthropology

authors： Blomquist GE

更新日期：2009-02-01 00:00:00

abstract：:This paper presents the demographic changes that followed the transition from a hunting-gathering way of life (Natufian) to an agricultural, food-producing economy (Neolithic) in the southern Levant. The study is based on 217 Natufian (10,500-8,300 BC) skeletons and 262 Neolithic (8,300-5,500 BC) skeletons. Age and se...

journal_title：American journal of physical anthropology

authors： Eshed V,Gopher A,Gage TB,Hershkovitz I

更新日期：2004-08-01 00:00:00

abstract：:Clinical studies of the relationship between developmental enamel defects and caries susceptibility have often produced conflicting results. This has been due in part to a failure to distinguish between different types of defects. Studies of this association in prehistoric populations have been rare. The complete deci...

journal_title：American journal of physical anthropology

authors： Duray SM

更新日期：1990-01-01 00:00:00

abstract：:In addition to being frugivorous, Cebus and Saimiri stand out among the New World primates of similar body size in being heavily dependent on animal matter for protein (faunivory). A detailed description of the morphology and behavior of the two genera is presented with the object of evaluating the interaction and res...

journal_title：American journal of physical anthropology

authors： Janson CH,Boinski S

更新日期：1992-08-01 00:00:00

abstract：:Red blood cell count (RBC), hemoglobin concentration ([Hb]) and hematocrit (Hct) were measured in 303 male Quechua children and adults, aged 6 to 57 years, living a lifestyle as traditional pastoralists and horticulturalists at a mean altitude of 4,200 m in the Southern Peruvian Andes. Values for RBC, [Hb], and Hct in...

journal_title：American journal of physical anthropology

authors： Garruto RM,Dutt JS

更新日期：1983-07-01 00:00:00

abstract：:Paranthropus is distinctive among hominoids in its possession of a greatly thickened hard palate. Although traditionally considered a structural adaptation to counter high-magnitude masticatory stress, alternative developmental models are equally viable. Three models of palatal thickening were evaluated in this study....

journal_title：American journal of physical anthropology

authors： McCollum MA

更新日期：1997-07-01 00:00:00

abstract：:This article examines social and environmental influences on the development of hypertension in a sample of 568 adults (290 men; 278 women) aged 20 years and older from Dakar, Senegal. We test the hypothesis that more recent immigrants to the city of Dakar will have lower blood pressure and lower rates of hypertension...

journal_title：American journal of physical anthropology

authors： Duboz P,Macia E,Chapuis-Lucciani N,Boëtsch G,Gueye L

更新日期：2012-10-01 00:00:00

abstract：:The anatomical effects of artificial cranial deformation on the face and the base have been subject to various metric approaches, including standard linear as well as finite element techniques, and have produced controversial results (Antón [1989] Am. J. Phys. Anthropol. 79:253-267; Kohn et al. [1993] Am. J. Phys. Ant...

journal_title：American journal of physical anthropology

authors： Friess M,Baylac M

更新日期：2003-09-01 00:00:00

abstract：:The aim of this study was to document variation of deciduous tooth formation and eruption. The material comprises 121 individuals of known or estimated age (using tooth length) from Spitalfields in London, and radiographs of 61 healthy living children aged 2-5 years. Other skeletal material from two medieval Scottish ...

journal_title：American journal of physical anthropology

authors： Liversidge HM,Molleson T

更新日期：2004-02-01 00:00:00

abstract：:The transferrin phenotypes of 256 rhesus monkeys and their parents were identified by polyacrylamide gel electrophoresis. The segregation ratio for phenotypes involving only alleles of high electrophoretic mobility was statistically significantly higher than expected and suggests that selection favors these more negat...

journal_title：American journal of physical anthropology

authors： Smith DG

更新日期：1982-08-01 00:00:00

abstract：:Variation in long bone cross-sectional geometry can be given a more precise functional interpretation using engineering beam theory. However, difficulties in measurement technique have generally prevented studies of large samples of cross sections in this way. In the present study, an automated system utilizing an ele...

journal_title：American journal of physical anthropology

authors： Ruff CB,Hayes WC

更新日期：1983-03-01 00:00:00

abstract：:This paper reports measurements of weight and recumbent length for a cross-sectional sample of 149 Shipibo infants and children between birth and 35.99 months of age from eight villages in the Peruvian Amazon Basin. The Shipibo are an Amerindian population experiencing a period of local environmental disruption and ra...

journal_title：American journal of physical anthropology

authors： Hodge LG,Dufour DL

更新日期：1991-01-01 00:00:00

abstract：OBJECTIVES:Depicting past epidemics currently relies on DNA-based detection of pathogens, an approach limited to pathogens with well-preserved DNA sequences. We used paleoserology as a complementary approach detecting specific antibodies under a mini line-blot format including positive and negative control antigens. M...

journal_title：American journal of physical anthropology

authors： Oumarou Hama H,Barbieri R,Guirou J,Chenal T,Mayer A,Ardagna Y,Signoli M,Aboudharam G,Raoult D,Drancourt M

更新日期：2020-12-01 00:00:00

abstract：:The "Kleiber relationship" describes the interspecific allometry between body size and metabolism. Like other allometric relationships, the Kleiber relationship not only summarizes scaling effects across species but also provides a standard by which species can be compared. One well-noted deviation from the Kleiber re...

journal_title：American journal of physical anthropology

authors： Kurland JA,Pearson JD

更新日期：1986-12-01 00:00:00