abstract：:We examine the demographic correlates of paternity confidence, or men's assessment of the likelihood that they are the genetic father of a particular child. Evolutionary theory predicts that men will provide less parental investment for putative genetic offspring who are unlikely to be their actual offspring, but conf...

journal_title：American journal of physical anthropology

authors： Anderson KG,Kaplan H,Lancaster JB

更新日期：2006-12-01 00:00:00

abstract：:Archaeological and ethnohistorical documents suggest that the Chachapoya region was inhabited by a number of distinct sociopolitical groups that only united in the face of their common enemy, the Inka. The purpose of this research is to quantify the amount of internal genetic differentiation and levels of extraregiona...

journal_title：American journal of physical anthropology

authors： Nystrom KC

更新日期：2006-11-01 00:00:00

abstract：:We classified diversity in eight new complete mitochondrial genome sequences and 41 partial sequences from living Aboriginal Australians into five haplogroups. Haplogroup AuB belongs to global lineage M, and AuA, AuC, AuD, and AuE to N. Within N, we recognize subdivisions, assigning AuA to haplogroup S, AuD to haplogr...

journal_title：American journal of physical anthropology

authors： van Holst Pellekaan SM,Ingman M,Roberts-Thomson J,Harding RM

更新日期：2006-10-01 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：: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：:The reproductive cycles of 23 captive olive baboons were studied over two successive parturitions. Interbirth intervals of 450 days were reduced by 60% in comparison to wild baboons, and consisted of 145 days of postpartum amenorrhea, 3.5 cycles, and a gestation of 185 days. Dominance rank was found to be one signific...

journal_title：American journal of physical anthropology

authors： Garcia C,Lee PC,Rosetta L

更新日期：2006-09-01 00:00:00

abstract：:One trait that distinguishes the walking gaits of most primates from those of most mammalian nonprimates is the distribution of weight between the forelimbs and hindlimbs. Nonprimate mammals generally experience higher vertical peak substrate reaction forces on the forelimb than on the hindlimb. Primates, in contrast,...

journal_title：American journal of physical anthropology

authors： Hanna JB,Polk JD,Schmitt D

更新日期：2006-08-01 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：:Bones in the axial and appendicular skeletons exhibit heterogeneous growth patterns between different ethnic and sex groups. However, the influence of this differential growth on the expression of bone mineral content is not yet established. The aims of the present study were to investigate: 1) whether there are ethni...

journal_title：American journal of physical anthropology

authors： Nyati LH,Norris SA,Cameron N,Pettifor JM

更新日期：2006-05-01 00:00:00

abstract：:Unlike monozygotic (MZ) twins, dizygotic (DZ) twins develop from separate ova. The resulting twins can have different sires if the fertilizing sperm comes from different males. Routine paternity testing of a pair of same-sexed chimpanzee twins born to a female housed with two males indicated that the twins were sired ...

journal_title：American journal of physical anthropology

authors： Ely JJ,Frels WI,Howell S,Izard MK,Keeling ME,Lee DR

更新日期：2006-05-01 00:00:00

abstract：:Age-dependent cortical bone loss in adult females from a skeletal assemblage from 3rd-4th century AD England was studied using metacarpal radiogrammetry. Results showed reduced peak cortical bone thickness compared with modern subjects, and the magnitude of cortical bone loss in older females compared with their young...

journal_title：American journal of physical anthropology

authors： Mays SA

更新日期：2006-04-01 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：:Gross and radiographic changes characteristic of inadequate bone mineralization due to rickets are described in 21 immature skeletons from a 19th century urban population from Birmingham, England. The aims of the study are as follows: to evaluate and if possible augment existing dry-bone criteria for the recognition o...

journal_title：American journal of physical anthropology

authors： Mays S,Brickley M,Ives R

更新日期：2006-03-01 00:00:00

abstract：:Field observations of bipedal posture and locomotion in wild chimpanzees (Pan troglodytes) can serve as key evidence for reconstructing the likely origins of bipedalism in the last prehominid human ancestor. This paper reports on a sample of bipedal bouts, recorded ad libitum, in wild chimpanzees in Bwindi Impenetrabl...

journal_title：American journal of physical anthropology

authors： Stanford CB

更新日期：2006-02-01 00:00:00

abstract：:A large collection of identified human skeletons curated at the Bocage Museum (National Museum of Natural History, Lisbon, Portugal) has remained in relative anonymity since its collecting protocol was initiated in the 1980s. This collection originates from modern cemetery sources and is comprised of 1,692 skeletons w...

journal_title：American journal of physical anthropology

authors： Cardoso HF

更新日期：2006-02-01 00:00:00

abstract：:The purpose of this paper is to document and interpret urban-rural differences in mortality in the past. To this end, we used data on mortality in Wielkopolska, Poland, in the 19th century and at the beginning of the 20th century. The data on mortality in rural areas (N = 1,173,910 deceased), small towns (N = 573,903 ...

journal_title：American journal of physical anthropology

authors： Budnik A,Liczbińska G

更新日期：2006-02-01 00:00:00

abstract：:The methods that can be used for the direct dating of human remains comprise of radiocarbon, U-series, electron spin resonance (ESR), and amino acid racemization (AAR). This review gives an introduction to these methods in the context of dating human bones and teeth. Recent advances in ultrafiltration techniques have ...

journal_title：American journal of physical anthropology

authors： Grün R

更新日期：2006-01-01 00:00:00

abstract：:Primate species often eat foods of different physical properties. This may have implications for tooth structure and wear in those species. The purpose of this study was to examine the mechanical defenses of leaves eaten by Alouatta palliata from different social groups at Hacienda La Pacifica in Costa Rica. Leaves we...

journal_title：American journal of physical anthropology

authors： Teaford MF,Lucas PW,Ungar PS,Glander KE

更新日期：2006-01-01 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：: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：:This paper examines humeral cross-sectional properties in two different samples of later medieval date: a group of blade-injured males from the sites of Towton, North Yorkshire, and Fishergate in the City of York, England, and a comparative group of nonblade-injured males also from the site of Fishergate in York. CT i...

journal_title：American journal of physical anthropology

authors： Rhodes JA,Knüsel CJ

更新日期：2005-11-01 00:00:00

abstract：:An approach, computational shape analysis (CSA), is presented here which utilizes a Fourier-wavelet representation to numerically describe shape features of biological forms. Two elements are involved: 1) elliptical Fourier functions (EFFs), to provide estimates of global aspects, and 2) continuous wavelet transforms ...

journal_title：American journal of physical anthropology

authors： Lestrel PE,Cesar RM Jr,Takahashi O,Kanazawa E

更新日期：2005-11-01 00:00:00

abstract：:We studied patterns of genetic relatedness and paternity in moustached tamarins, small Neotropical primates living in groups of 1-4 adult males and 1-4 adult females. Generally only one female per group breeds, mating with more than one male. Twin birth are the norm. In order to examine the genetic consequences of thi...

journal_title：American journal of physical anthropology

authors： Huck M,Löttker P,Böhle UR,Heymann EW

更新日期：2005-08-01 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：:New data were obtained on mitochondrial DNA (mtDNA) from Guahibo from Venezuela, a group so far not studied using molecular data. A population sample (n = 59) was analyzed for mtDNA variation in two control-region hypervariable segments (HV1 and HV2) by sequencing. The presence or absence of a 9-bp polymorphism in the...

journal_title：American journal of physical anthropology

authors： Vona G,Falchi A,Moral P,Calò CM,Varesi L

更新日期：2005-07-01 00:00:00

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：:Data on orangutans (Pongo pygmaeus abelii) living in a Sumatran swamp forest yield an estimated median interbirth interval of at least 8 years, concurring with findings from other sites. This longest known mammalian interbirth interval appears due to maternal amenorrhea during the long exclusive dependence of the offs...

journal_title：American journal of physical anthropology

authors： van Noordwijk MA,van Schaik CP

更新日期：2005-05-01 00:00:00

abstract：:Although the population history and social organization of the prehistoric Pueblo Indians of the American Southwest have received attention in the archaeological literature, little research on this topic has been conducted by biological anthropologists. Here, we examine postmarital residence at two ancestral Tewa Indi...

journal_title：American journal of physical anthropology

authors： Schillaci MA,Stojanowski CM

更新日期：2005-04-01 00:00:00

abstract：:The dental casts taken of Aboriginal people resident at Yuendumu, Central Australia, between 1950-1970 preserve a unique historical record of defects of the dental enamel (DDEs) among people born from 1890-1960 (n = 377). These data are used, in comparison with precontact data, to trace the chronological changes in ch...

journal_title：American journal of physical anthropology

authors： Littleton J

更新日期：2005-03-01 00:00:00

abstract：:The adventus Saxonum is a crucial event in English protohistory. Scholars from a range of disciplines dispute the scale and demographic profile of the purported colonizing population. The 5th-7th century burial ground at West Heslerton, North Yorkshire, is one of the few Anglian cemeteries where an associated settleme...

journal_title：American journal of physical anthropology

authors： Montgomery J,Evans JA,Powlesland D,Roberts CA

更新日期：2005-02-01 00:00:00

abstract：:The role of physical anthropology in precollegiate education has been limited, but has the potential to play a vital and integral role in promoting students' understanding of themselves and others. This study describes the development, implementation, and results of a program constructed on an inquiry-based learning m...

journal_title：American journal of physical anthropology

authors： Ashmore PC

更新日期：2005-01-01 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：: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：:We evaluate the hardness of foods consumed by sympatric Cercopithecus ascanius (redtail guenons) and Lophocebus albigena (grey-cheeked mangabeys), and consider how selection might operate to influence foraging adaptations. Since L. albigena has among the thickest dental enamel in extant primates and is commonly referr...

journal_title：American journal of physical anthropology

authors： Lambert JE,Chapman CA,Wrangham RW,Conklin-Brittain NL

更新日期：2004-12-01 00:00:00

abstract：:Skin coloration in indigenous peoples is strongly related to levels of ultraviolet radiation (UVR). In this study, the relationships of skin reflectance to seasonal UVR levels and other environmental variables were investigated, with the aim of determining which variables contributed most significantly to skin reflect...

journal_title：American journal of physical anthropology

authors： Chaplin G

更新日期：2004-11-01 00:00:00

abstract：:This study examines quantification techniques applicable to human skeletal remains, and in particular the Lincoln index (LI), the minimum number of individuals (MNI), and what we refer to as the most likely number of individuals (MLNI), which is a modification of the LI by Chapman ([1951] Univ. Calif. Publ. Stat. 1:13...

journal_title：American journal of physical anthropology

authors： Adams BJ,Konigsberg LW

更新日期：2004-10-01 00:00:00

abstract：:It has been suggested that primates utilize a compliant gait to help reduce peak locomotor stresses on their limbs (Schmitt [1994] J. Hum. Evol. 26:441-458; Schmitt [ 1998] Primate Locomotion, p. 175-200; Schmitt [ 1999] J. Zool. Lond. 248:149-160). However, the components of such a gait, i.e., increased step length, ...

journal_title：American journal of physical anthropology

authors： Larney E,Larson SG

更新日期：2004-09-01 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：:We investigated the energetic costs of quadrupedal and bipedal walking in two Japanese macaques. The subjects were engaged in traditional bipedal performance for years, and are extremely adept bipeds. The experiment was conducted in an airtight chamber with a gas analyzer. The subjects walked quadrupedally and bipedal...

journal_title：American journal of physical anthropology

authors： Nakatsukasa M,Ogihara N,Hamada Y,Goto Y,Yamada M,Hirakawa T,Hirasaki E

更新日期：2004-07-01 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