On the taxonomic affinities of the Dmanisi mandible (Georgia).

abstract：OBJECTIVES:Investigations of the human femoral bicondylar angle have largely focused on interspecific differences and intrapopulation variation. This analysis assesses the range of variation in the bicondylar angle in humans across four populations, examining the effects of population, sex and age. MATERIALS AND METHO...

journal_title：American journal of physical anthropology

authors： Waxenbaum EB,Stock MK

更新日期：2016-06-01 00:00:00

abstract：:Recent biomechanical analyses examining the feeding adaptations of early hominins have yielded results consistent with the hypothesis that hard foods exerted a selection pressure that influenced the evolution of australopith morphology. However, this hypothesis appears inconsistent with recent reconstructions of early...

journal_title：American journal of physical anthropology

authors： Strait DS,Constantino P,Lucas PW,Richmond BG,Spencer MA,Dechow PC,Ross CF,Grosse IR,Wright BW,Wood BA,Weber GW,Wang Q,Byron C,Slice DE,Chalk J,Smith AL,Smith LC,Wood S,Berthaume M,Benazzi S,Dzialo C,Tamvada K,

更新日期：2013-07-01 00:00:00

abstract：:The genus Saguinus represents a successful radiation of over 20 species of small-bodied New World monkeys. Studies of the tamarin diet indicate that insects and small vertebrates account for ∼16-45% of total feeding and foraging time, and represent an important source of lipids, protein, and metabolizable energy. Alth...

journal_title：American journal of physical anthropology

authors： Mallott EK,Malhi RS,Garber PA

更新日期：2015-03-01 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：:Recent molecular and morphological surveys suggest that mangabeys do not represent a monophyletic group. Specifically, Cercocebus is the sister taxon of Mandrillus, whereas Lophocebus forms an unresolved trichotomy with Papio and Theropithecus. The Cercocebus-Mandrillus clade is characterized by skeletal and dental ad...

journal_title：American journal of physical anthropology

authors： Daegling DJ,McGraw WS

更新日期：2007-09-01 00:00:00

abstract：OBJECTIVES:We investigated the genetic history of southern African populations with a special focus on their paternal history. We reexamined previous claims that the Y-chromosome haplogroup E1b1b (E-M293) was brought to southern Africa by pastoralists from eastern Africa, and investigated patterns of sex-biased gene fl...

journal_title：American journal of physical anthropology

authors： Bajić V,Barbieri C,Hübner A,Güldemann T,Naumann C,Gerlach L,Berthold F,Nakagawa H,Mpoloka SW,Roewer L,Purps J,Stoneking M,Pakendorf B

更新日期：2018-11-01 00:00:00

abstract：:In comparing long-bone cross-sectional geometric properties between individuals, percentages of bone length are often used to identify equivalent locations along the diaphysis. In fragmentary specimens where bone lengths cannot be measured, however, these locations must be estimated more indirectly. In this study, we ...

journal_title：American journal of physical anthropology

authors： Sládek V,Berner M,Galeta P,Friedl L,Kudrnová S

更新日期：2010-02-01 00:00:00

abstract：:Lack of independence of data points or the pooling fallacy has been suggested as a potential problem in the study of handedness in nonhuman primates, particularly as it relates to whether hand use responses should be recorded as individual events or bouts of activity. Here, I argue that there is no evidence that the c...

journal_title：American journal of physical anthropology

authors： Hopkins WD

更新日期：2013-05-01 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：:This paper describes the development of a knuckle walking mode of locomotion by a free-living yellow baboon (Papio cynocephalus). Some implications of this occurrence for theories of the evolution of knuckle walking are discussed. ...

journal_title：American journal of physical anthropology

authors： Hausfater G

更新日期：1975-09-01 00:00:00

abstract：OBJECTIVES:Pelvic features, mostly known as parturition scars, have been extensively studied in the last decades and are frequently investigated in archaeological and forensic contexts. It is still unclear, however, whether they really relate to pregnancy and birth, or whether these features are caused by other biomech...

journal_title：American journal of physical anthropology

authors： Waltenberger L,Pany-Kucera D,Rebay-Salisbury K,Mitteroecker P

更新日期：2020-12-09 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：: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：: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 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：:New World monkeys vary considerably in the manner and degree to which they use their tails. There ought to arise a corresponding variation in the stresses on caudal vertebrae. Consequently, different behavior types will have contrasting caudal morphologies. This study investigates caudal morphology of several New Worl...

journal_title：American journal of physical anthropology

authors： German RZ

更新日期：1982-08-01 00:00:00

abstract：:All current standardized methods of age determination using the os pubis were tested by blind assessment of a skeletal sample with documented ages (from the Todd collection; N = 96). No demographic data (sex, age, race, age composition) were known to the assessors prior to completion of the test. Results showed the To...

journal_title：American journal of physical anthropology

authors： Meindl RS,Lovejoy CO,Mensforth RP,Walker RA

更新日期：1985-09-01 00:00:00

abstract：:Evolutionary trends for dental reduction are presented for European Upper Paleolithic and Mesolithic samples. The analysis demonstrates that the greatest decrease in tooth size occurs between the two divisions of the Upper Paleolithic, while little and insignificant change characterizes the Late Upper Paleolithic/Meso...

journal_title：American journal of physical anthropology

authors： Frayer DW

更新日期：1977-01-01 00:00:00

abstract：:This set of cross-sectional and longitudinal data from children and young adults in certain Bougainville and Solomon Islands populations undergoing rapid modernization during the period 1966-1986 reveals very different responses to essentially the same stimuli-the introduction and widespread availability of western di...

journal_title：American journal of physical anthropology

authors： Weitz CA,Friedlaender FR,Van Horn A,Friedlaender JS

更新日期：2012-11-01 00:00:00

abstract：:Recent research findings have highlighted the importance of early life conditions as risk factors for adult diseases and therefore determinants of subsequent survival. Given that individuals born during different seasons in seasonal environments experience different early-developmental conditions, an analysis of the e...

journal_title：American journal of physical anthropology

authors： Muñoz-Tudurí M,García-Moro C

更新日期：2008-04-01 00:00:00

abstract：:The low brachial and crural indices of the European Neandertals have long been considered indicative of cold adaptation. Recent work has documented lower limb/trunk ratios and deeper chests (anterior-posterior diameter) in European Neandertals than among their successors. The present study uses variables reflective of...

journal_title：American journal of physical anthropology

authors： Holliday TW

更新日期：1997-10-01 00:00:00

abstract：:A newly discovered right parietal/temporal/frontal fragment from an australopithecine natural endocast is described and compared to other australopithecine endocasts. This specimen shows that the central sulcus was arched, rather than straight as previously believed, and reveals frontal lobe convolutions not preserved...

journal_title：American journal of physical anthropology

authors： Falk D

更新日期：1979-05-01 00:00:00

abstract：:A new brain endocast of Homo erectus from Hulu Cave, Tangshan, Nanjing is described and compared with a broad sample of endocasts of H. erectus, Neanderthals, and recent modern humans. The Nanjing 1 endocast is reconstructed based on two portions of endocranial casts taken from the original fossil fragments. The fossi...

journal_title：American journal of physical anthropology

authors： Wu X,Holloway RL,Schepartz LA,Xing S

更新日期：2011-07-01 00:00:00

abstract：:The order in which ectocranial sutures undergo fusion displays species-specific variation among primates. However, the precise relationship between suture closure and phylogenetic affinities is poorly understood. In this study, we used Guttman Scaling to determine if the modal progression of suture closure differs amo...

journal_title：American journal of physical anthropology

authors： Cray J Jr,Meindl RS,Sherwood CC,Lovejoy CO

更新日期：2008-08-01 00:00:00

abstract：:Total testosterone and dihydrotestosterone in blood serum as well as free testosterone in saliva were determined by radioimmunoassay in 110 healthy young men. The results were compared with the development of terminal hair on the trunk and limbs, with the disposition to balding and with the disposition to acne. No sig...

journal_title：American journal of physical anthropology

authors： Knussmann R,Christiansen K,Kannmacher J

更新日期：1992-05-01 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：:A histological aging study of femoral midshafts in a late Roman period sample from the Dakhleh Oasis, Egypt, showed discrete fluorochrome labelling. The fluorochrome is yellow-green in colour and fluoresces at a wavelength of 525 nm. The labelling occurs at the mineralization fronts and is so distinct that several his...

journal_title：American journal of physical anthropology

authors： Cook M,Molto E,Anderson C

更新日期：1989-10-01 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：: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：:Population genetic studies in Saudi Arabia are performed for EsD, GPT, AcP, ADA, AK, 6-PGD, PGM, C3, Tf, Hp, Gc, Pi, Bf, Hb, ABO-blood groups and Rh-factor, level of the third component of complement and immunoglobulins. The data are compared with reported frequencies in European and African populations. ...

journal_title：American journal of physical anthropology

authors： Goedde HW,Benkmann HG,Agarwal DP,Hirth L,Bienzle U,Dietrich M,Hoppe HH,Orlowski J,Kohne E,Kleihauer E

更新日期：1979-02-01 00:00:00