Mitochondrial genomics identifies major haplogroups in Aboriginal Australians.

abstract：:The recent discovery of unexpectedly ancient human remains has fuelled interest about the first dispersion of Homo outside Africa. The Dmanisi mandible is perhaps one of the most interesting findings, as it supposedly represents one of the oldest hominids outside of Africa. Recently, different interpretations have bee...

journal_title：American journal of physical anthropology

authors： Rosas A,Bermúdez de Castro JM

更新日期：1998-10-01 00:00:00

abstract：OBJECTIVES:The appearance of external auditory exostoses archaeologically has been attributed to aquatic activities in middle latitudes. However, recent clinical research implicates low sea surface temperatures, especially below a threshold of 19°C, as a stronger predictor of ear exostosis development than latitude. He...

journal_title：American journal of physical anthropology

authors： Smith-Guzmán NE,Cooke RG

更新日期：2019-03-01 00:00:00

abstract：:Maternal reproductive investment includes both the energetic costs of gestation and lactation. For most humans, the metabolic costs of lactation will exceed those of gestation. Mothers must balance reproductive investment in any single offspring against future reproductive potential. Among mammals broadly, mothers may...

journal_title：American journal of physical anthropology

authors： Quinn EA

更新日期：2013-10-01 00:00:00

abstract：:This study examines patterns of growth in height and weight among children (< 60 months) of highland and coastal agricultural communities of Ecuador. Highland children are significantly shorter, but not significantly lighter than their coastal peers. Linear growth rates (cm/6 months) are comparable between the two sam...

journal_title：American journal of physical anthropology

authors： Leonard WR,DeWalt KM,Stansbury JP,McCaston MK

更新日期：1995-09-01 00:00:00

abstract：:Intrapopulational tooth striation variability has been studied in a sample of 99 individuals from the medieval agricultural population of La Olmeda (Palencia, Spain). The number, length, and orientation of all observed striations were recorded using a scanning electron microscope and an image analyzer system. Tooth st...

journal_title：American journal of physical anthropology

authors： Pérez-Pérez A,Lalueza C,Turbón D

更新日期：1994-06-01 00:00:00

abstract：OBJECTIVES:Little research exists documenting levels of intestinal inflammation among indigenous populations where exposure to macroparasites, like soil-transmitted helminths (STHs), is common. Reduced STH exposure is hypothesized to contribute to increased prevalence of elevated intestinal inflammation in wealthy nati...

journal_title：American journal of physical anthropology

authors： Cepon-Robins TJ,Gildner TE,Schrock J,Eick G,Bedbury A,Liebert MA,Urlacher SS,Madimenos FC,Harrington CJ,Amir D,Bribiescas RG,Sugiyama LS,Snodgrass JJ

更新日期：2019-09-01 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：:A very limiting factor for paleoanthropological studies is the poor state of preservation of the human fossil record, where fragmentation and deformation are considered normal. Although anatomical information can still be gathered from a distorted fossil, such specimens must typically be excluded from advanced morphol...

journal_title：American journal of physical anthropology

authors： Benazzi S,Gruppioni G,Strait DS,Hublin JJ

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVES:The present study tests the effectiveness of entheseal robusticity (ER) as a potential predictor of adult age-at-death by applying multiple regression models to a large contemporary identified skeletal sample. MATERIALS AND METHODS:ER was recorded for 23 bilateral postcranial entheses on 481 adult individua...

journal_title：American journal of physical anthropology

authors： Milella M,Belcastro MG,Mariotti V,Nikita E

更新日期：2020-09-01 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：OBJECTIVES:The human respiratory apparatus is characterized by sexual dimorphism, the cranial airways of males being larger (both absolutely and relatively) than those of females. These differences have been linked to sex-specific differences in body composition, bioenergetics, and respiratory function. However, whethe...

journal_title：American journal of physical anthropology

authors： García-Martínez D,Torres-Tamayo N,Torres-Sanchez I,García-Río F,Bastir M

更新日期：2016-11-01 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：OBJECTIVES:Early Byzantine (A.D. 330-842) monastic rules stipulated that entrants relinquished familial connections, personal belongings and secular relationships to become part of the ascetic collective that continued in death, resulting in bioarchaeological marginalization, as was the case of the monastics excavated ...

journal_title：American journal of physical anthropology

authors： Judd MA

更新日期：2020-05-01 00:00:00

abstract：:Trace elements in the dental enamel of 43 prehistoric Indians from Illinois, Maryland and Virginia show concentration differences by age, sex and geographical locality. Sample areas on an incisor or first molar were blocked off with paraffin, washed twice with distilled water and etched 7 times with 6N HCl. An optical...

journal_title：American journal of physical anthropology

authors： LES Hoyme,Koritzer RT

更新日期：1976-11-01 00:00:00

abstract：:Heterogeneity and small sample size are problems that affect many paleodemographic studies. The former can cause the overall distribution of age at death to be an amalgam that does not accurately reflect the distributions of any of the groups composing the heterogeneous population. The latter can make it difficult to ...

journal_title：American journal of physical anthropology

authors： Whittington SL

更新日期：1991-06-01 00:00:00

abstract：:Compared to most quadrupedal mammals, humans are energetically inefficient when running at high speeds. This fact can be taken to mean that human dipedalism evolved for reasons other than to reduce relative energy cost durding locomotion. Recalculation of the energy expending expended during human walking at normal sp...

journal_title：American journal of physical anthropology

authors： Rodman PS,McHenry HM

更新日期：1980-01-01 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：: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：OBJECTIVES:The purpose of this study is to demonstrate advantages of principal component analysis (PCA) as a standardized procedure in the evaluation of osteoarthritis (OA) in a skeletal series to: (1) compute aggregate scores for joint complexes that accurately capture pathological expression, (2) reveal which variabl...

journal_title：American journal of physical anthropology

authors： Calce SE,Kurki HK,Weston DA,Gould L

更新日期：2017-03-01 00:00:00

abstract：:Study of the dry weights of primate and non-promate masticatory musculature reveals a significant relationship between the Anterior Temporalis/Masseter ratio and the relative development of the anterior dentition. Available dietary information demonstrates that species emphasizing incisal preparation of food have a hi...

journal_title：American journal of physical anthropology

authors： Cachel SM

更新日期：1978-01-01 00:00:00

abstract：OBJECTIVES:A variety of mechanical processes can result in antemortem dental chipping. In this study, chipping data in the teeth of Homo naledi are compared with those of other pertinent dental samples to give insight into their etiology. MATERIALS AND METHODS:Permanent teeth with complete crowns evidencing occlusal w...

journal_title：American journal of physical anthropology

authors： Towle I,Irish JD,De Groote I

更新日期：2017-09-01 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：:All primates regularly move within three-dimensional arboreal environments and must often climb, but little is known about the energetic costs of this critical activity. Limited previous work on the energetics of incline locomotion suggests that there may be differential selective pressures for large compared to small...

journal_title：American journal of physical anthropology

authors： Hanna JB,Schmitt D

更新日期：2011-05-01 00:00:00

abstract：OBJECTIVES:Differences in dental caries prevalence between males and females is considered a reflection of diet. However, recent syntheses argue that sex-specific variation in dental caries prevalence also reflects changes in the oral cavity attributable to variation in reproductive life histories. This study explores ...

journal_title：American journal of physical anthropology

authors： Kubehl K,Temple DH

更新日期：2020-07-01 00:00:00

abstract：:The present report follows up on the findings of previous research, including recent bioarchaeological study of well-dated Khoesan skeletal remains, that posits long term biological continuity among the indigenous peoples of South Africa after the Pleistocene. The Arizona State University Dental Anthropology System wa...

journal_title：American journal of physical anthropology

authors： Irish JD,Black W,Sealy J,Ackermann RR

更新日期：2014-09-01 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：:The Miles system of ageing, based upon analysis of the rate of molar wear, was evaluated using the available dental sample from Tepe Hissar, Iran. The independently estimated ages for the mandibles and maxillae of the same individuals were found to be highly correlated (r = 0.87, p less than 0.001). Ages of a subsampl...

journal_title：American journal of physical anthropology

authors： Nowell GW

更新日期：1978-08-01 00:00:00

abstract：:In order to help define the boundaries of the distribution of the albumin variants Naskapi and Mexico which are polymorphic among several American Indian groups, we examined sera from Micmac, Mohawk, Northwest River Naskapi, Omaha and Apache Indians, and from Aleuts and Eskimos. Sera from a total of 1,524 individuals ...

journal_title：American journal of physical anthropology

authors： Schell LM,Agarwal SS,Blumberg BS,Levy H,Bennett PH,Laughlin WS,Martin JP

更新日期：1978-07-01 00:00:00

abstract：:A brief description of the exposed middle ear from two Swartkrans specimens demonstrates the feasibility of examining the inner auditory structures of existing fossil hominid material. These Swartkrans fossils provide the first clear view of the early hominid middle ear, and their structures appear to be morphological...

journal_title：American journal of physical anthropology

authors： Rak Y,Clarke RJ

更新日期：1979-09-01 00:00:00

abstract：OBJECTIVES:The arrival of the Huns into Europe in the fourth century AD increased the occurrence of intentional cranial modification among European nomads. It has been postulated that the Huns used a two-bandage cranial binding technique to differentiate themselves from surrounding nomadic groups, including those from ...

journal_title：American journal of physical anthropology

authors： Mayall P,Pilbrow V

更新日期：2018-05-01 00:00:00