scholarly journals News and views: Response to ‘Non-metric dental traits and hominin phylogeny’ by Carter et al., with additional information on the Arizona State University Dental Anthropology System and phylogenetic ‘place’ of Australopithecus sediba

2014 ◽  
Vol 69 ◽  
pp. 129-134 ◽  
Author(s):  
Joel D. Irish ◽  
Debbie Guatelli-Steinberg ◽  
Scott S. Legge ◽  
Darryl J. de Ruiter ◽  
Lee R. Berger
Keyword(s):  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Additional Information ◽  
Dental Traits

scholarly journals Mixed dentition Morphology characteristics: a correlation between 3 non-metric dental traits in temporal and permanent dentition in scholars from Cali - Colombia

2017 ◽  
Vol 15 (2) ◽  
Author(s):  
Luisa Aguirre ◽  
Diana Castillo ◽  
Diana Solarte ◽  
Martha Moyano ◽  
Freddy Moreno
Keyword(s):  
Bilateral Symmetry ◽  
Permanent Dentition ◽  
Mixed Dentition ◽  
Dental Morphology ◽  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Dental Traits ◽  
Crown Traits ◽  
Dental Crown

Summary: Objectives: Determine the correlation of the frequency and variability of three Non-metricdental crown traits (Carabelli cusp, protostylid and molar pattern cusp) between deciduous (um2/lm2)and permanent (UM1/LM1) teeth in mixed-dentition subjects. Materials and methods: A descriptivestudy was conducted to determine the dental morphology in mixed dentition stage of young subjects.The Arizona State University Dental Anthropology System ASUDAS and Grind and Sciulli Methods wereused as reference to compare frequency of dental traits in dental casts of 100 young individualsracially mixed. Results: A high expression of furrows and pits of the Carabelli cusp, a highfrequency of protostylid in degree 1 (foramen secum) and a expression of molar pattern cusp,revealed that the studied population received influences of the Mongoloid and Caucasoid dentalcomplexes. Correspondence on the traits expression among temporal and permanent dentition was alsoconfirmed. Bilateral symmetry and sexual dimorphism in the analyzed non-metric dental crown traitswere found. Key words: Dental anthropology. Dental morphology. Non-metric dental crown traits. Mixeddentition.  

Readjustment of the Standard ASUDAS to Encompass Dental Morphological Variations in Plio-Pleistocene Hominins

2018 ◽  
Vol 30 (1-2) ◽  
pp. 32-48
Author(s):  
M. Louail ◽  
S. Prat
Keyword(s):  
Phylogenetic Relationships ◽  
Homo Sapiens ◽  
Initial Study ◽  
Morphological Characters ◽  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Morphological Variations ◽  
Fossil Hominins ◽  
Fossil Hominin

The standard ASUDAS scoring system (Arizona State University Dental Anthropology System) is used to assess dental morphological variations in modern humans. It is also frequently used to study, score, and compare morphological variations in fossil hominin taxa and to examine their phylogenetic relationships. However, using ASUDAS in studies of this type is under debate because it is based on modern Homo sapiens populations and does not appear to cover all variations observed in fossil Plio-Pleistocene homi- nins. Our observations and coding of 178 dentals casts of Plio-Pleistocene specimens based on ASUDAS and from the literature have confirmed the need to adapt the standard system to fossil hominins. In this initial study, we propose that the scoring procedures for some morphological characters need to be readjusted, while others could be standardized following the ASUDAS system.

“I’ve Never Had to Do This on My Own”

2021 ◽  
pp. 95-109
Author(s):  
Kevin Correa ◽  
Sylvia Symonds
Keyword(s):  
College Students ◽  
Student Retention ◽  
Emerging Adults ◽  
First Generation ◽  
First Generation College Students ◽  
State University ◽  
Arizona State University ◽  
Additional Information ◽  
First Generation College

Receiving an acceptance letter to college can be both exciting and daunting for many students. For some, attending college has been an expectation since birth, but for others they will be the first in their family to attend. This chapter identifies ways to support emerging adults, including advising, mentoring, and coaching as they transition to the college campus and remain to complete their studies. Additional information on the challenges faced by first-generation college students is provided as well. The case study describes the First-Year Success (FYS) Center at Arizona State University. Guiding questions help readers consider how they might increase student retention and success at their own institutions.

scholarly journals Morphological characterization of permanent dentition of a group of Afrodescendants at Istmina (Chocó, Colombia)

2018 ◽  
Vol 25 (2) ◽  
pp. 17
Author(s):  
Pedro Asprilla ◽  
Kevin Franco ◽  
Jessica Morales ◽  
Freddy Moreno
Keyword(s):  
Cross Sectional Study ◽  
Morphological Characterization ◽  
Permanent Dentition ◽  
Indigenous Populations ◽  
Dental Morphology ◽  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Cross Sectional ◽  
Central Ridge

  Aim: Characterize the permanent dentition morphology of a group of Afrodescendants of Istmina (Chocó, Colombia). Materials y methods: This quantitative cross-sectional study determined the frequency and variability of 35 incisor, canine, premolar and molar morphological features of the Arizona State University Dental Anthropology System in 100 self-described individuals as Afrodescendants (50 Female and 50 male), aged between 5 and 18 years. Results: Significant frequencies of winging (99%), double blade of the central incisors (86%), convexity of the lips (41%), crest of the shoulder (35%), and distal crest (39% to 45%) were identified (95% to 98%), central ridge (82% and 80%), mesolingual groove (79%), distolingual groove (81%), hippocampus reduction (86%), Carabelli cusp ) And cusp 7 (64%). No sexual dimorphism and bilateral asymmetry were found in the MCDS studied. Conclusions: The frequency and variability of the MCDD included in the dendrogram showed that the Isthmian group had a typical dental morphology of the Afrodescendant populations distributed on the Colombian Pacific coast, which were derived from groups of the West African coast included in The dental complex of Saharan Africa. Likewise, it was possible to detect the influence of mestizo and indigenous populations occupying the same geopolitical space.

scholarly journals 2012 Dahlberg Award Winner Dental morphological variation among six Pre-Hispanic South American populations with implications for the peopling of the New World

2018 ◽  
Vol 26 (1-2) ◽  
pp. 20-32 ◽  
Author(s):  
Alejandra Ortiz
Keyword(s):  
New World ◽  
South American ◽  
Northern Coast ◽  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Low Frequencies ◽  
High Frequencies ◽  
Statistical Program ◽  
The Mean

The analysis of the human dentition pro-vides important information on the origins and dispersals of the first American inhabitants. However, most of this work has focused on North America, whereas less research has been devoted to variation within Central and South America. This study examines the permanent dentitions of 340 individuals from six pre-Hispanic South American populations and places them in the broader context of the peopling of the New World. Non-metric dental data were collected using the Arizona State University Dental Anthropology System (ASUDAS). Intra- and inter-regional comparisons were assessed using the Mean Measure of Divergence statistical program. All samples are characterized by relatively high frequencies of UM1 enamel extension and LM1 deflecting wrinkle and low frequencies of UM1 cusp 5 and LM2 Y-groove pattern. Although preliminary, results indicate that populations from Chile, Venezuela and Peru-Northern Coast are dentally similar and follow the Sinodont dental pattern. The Peru-Southern Highlands sample is the most divergent of the South American groups examined, showing the closest affinities with Sundadonts. Finally, no clear pattern was found for Bolivia and Peru-Amazonian Andes, as most of their trait frequencies fall within the range of overlap between Sinodont and Sundadont populations.

What's Going On

1978 ◽  
Vol 25 (4) ◽  
pp. 27
Keyword(s):  
Mathematics Instruction ◽  
Mathematics Learning ◽  
College Of Education ◽  
Clinical Approach ◽  
State University ◽  
Arizona State University ◽  
Information Contact ◽  
Additional Information ◽  
Number Of Children ◽  
Learning Mathematics

The Mathematics Learning Clinic at Arizona State University gives teachers experience in a clinical approach to the mastery of diagnostic/corrective theories and techniques of classroom mathematics instruction. The clinic also provides diagnostic/prescriptive help to a limited number of children experiencing difficulty in learning mathematics. For additional information contact Jon M. Englehardt, Mathematics Learning Clinic, College of Education, Arizona State University, Tempe, AZ 85281.

scholarly journals The transition from hunting–gathering to agriculture in Nubia: dental evidence for and against selection, population continuity and discontinuity

2021 ◽  
Vol 288 (1952) ◽  
pp. 20210969
Author(s):  
Joel D. Irish ◽  
Donatella Usai
Keyword(s):  
Late Pleistocene ◽  
State University ◽  
Arizona State University ◽  
Hunter Gatherers ◽  
Transition To Agriculture ◽  
Population Continuity ◽  
Dental Evidence ◽  
Local Populace ◽  
Dental Traits ◽  
Late Palaeolithic

Some researchers posit population continuity between Late Palaeolithic hunter–gatherers of the late Pleistocene and Holocene agriculturalists from Lower (northern) Nubia, in northeast Africa. Substantial craniodental differences in these time-successive groups are suggested to result from in situ evolution. Specifically, these populations are considered a model example for subsistence-related selection worldwide in the transition to agriculture. Others question continuity, with findings indicating that the largely homogeneous Holocene populations differ significantly from late Pleistocene Lower Nubians. If the latter are representative of the local populace, post-Pleistocene discontinuity is implied. So who was ancestral to the Holocene agriculturalists? Dental morphological analyses of 18 samples (1075 individuals), including one dated to the 12th millennium BCE from Al Khiday, near the Upper Nubian border, may provide an answer. It is the first Late Palaeolithic sample ( n = 55) recovered within the region in approximately 50 years. Using the Arizona State University Dental Anthropology System to record traits and multivariate statistics to estimate biological affinities, Al Khiday is comparable to several Holocene samples, yet also highly divergent from contemporaneous Lower Nubians. Thus, population continuity is indicated after all, but with late Pleistocene Upper—rather than Lower Nubians as originally suggested—assuming dental traits are adequate proxies for ancient DNA.

scholarly journals Who Were the Natufians? A Dental Assessment of their Biological Coherency

2018 ◽  
Vol 11 (3) ◽  
pp. 4-8 ◽  
Author(s):  
Joshua G. Lipschultz
Keyword(s):  
Population Biology ◽  
Wild Plant ◽  
Biological Study ◽  
Dental Morphology ◽  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Plant Resources ◽  
Hunter Gatherers ◽  
Behavioral Transition

The Natufians were complex, semi-sedentary hunter-gatherers who intensively exploited wild plant resources in the southern Levant 12,800 to 10,200 BP. They represent the human culturo-behavioral transition from simple, mobile hunter-gatherers to fully sedentary agriculturalisits. The Natufians have been the subject of much archaeological and biological study because of their pivotal postion in human prehistory. Previous studies of Natufian population biology, which mployed osteometrics, craniometrics, and odontometrics, qualitatively supported the following archaeologically-defined hypothesis. Every human skeletal sample found at each Natufian site belonged to a biologically coherent populations. The present study tests the hypothesis of Natufian biological coherency by analyzing their dental morphology. The data were collected from nearly all available Natufian dental material, using the Arizona State University Dental Anthropology System. The results of the multivariate Mean Measure of Divergence statistical analysis support the biological coherency of the Natufian population. 

scholarly journals Permanent molar trait expression in the Late Neolithic cave burials of the Meuse Basin, Belgium

2021 ◽  
Vol 34 (1) ◽  
pp. 35-48
Author(s):  
Frank L'Engle Williams ◽  
Rebecca George
Keyword(s):  
Bronze Age ◽  
State University ◽  
Neolithic Period ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Late Neolithic ◽  
Permanent Molar ◽  
Permanent Molars ◽  
Early Late

At least 250 cave burials along the Meuse river basin of Belgium yield prehistoric remains, and most date from the Late Neolithic period. Several have been radiocarbon dated, including the early/late Neolithic deposits of Hastière Caverne M and Hastière Trou Garçon C and the final/late Neolithic caves of Sclaigneaux and Bois Madame. An additional collective burial, Maurenne Caverne de la Cave is radiocarbon dated to the Middle Neolithic and final/late Neolithic periods, circa 4,635 to 3,830 BP, encompassing the range of dates for the other collective burials. Most individuals are represented by fragmentary gnathic remains with in situ dental elements. Arizona State University Dental Anthropology System (ASUDAS) scores of permanent molars are employed to examine whether differences within and between the caves exist, and whether chronology and ecogeography can account for the variation in traits. The final/late Neolithic cave of Sclaigneaux, the most geographically distinct cave burial, and Hastière Caverne M, possibly the earliest site, emerge as the most distinctive. The final/late Neolithic sites of Sclaigneaux and Bois Madame exhibit the greatest variability of trait expression. These results bear on the mobility and continuity of human groups in Belgium during the terminus of the Neolithic prior to the Bronze Age.

Temporal and Spatial Biological Kinship Variation at Campovalano and Alfedena in Iron Age Central Italy

2019 ◽  
pp. 107-132
Author(s):  
Evan Muzzall ◽  
Alfredo Coppa
Keyword(s):  
Logistic Regression ◽  
Iron Age ◽  
Geometric Mean ◽  
Central Italy ◽  
Field Variation ◽  
Biological Distance ◽  
State University ◽  
Arizona State University ◽  
Dental Anthropology ◽  
Covariance Models

This chapter utilizes craniometric, dental metric, and Arizona State University Dental Anthropology System (ASUDAS) data to investigate temporospatial differences in biological distance patterns at the monumental necropoles of Campovalano and Alfedena, Iron Age Central Italy. Results of craniometric one-way analyses of variance suggest that Campovalano crania exhibit great biological continuity through time, while geometric mean scaled dental metric multidimensional scaling and ASUDAS neighbor-joining clustering indicate Campovalano samples are more similar to each other than compared to Alfedena Campo Consolino, the ritual core of the broader Alfedena necropolis. Also, Mantel tests reveal that male faces and cranial bases faintly correlate with burial distances at Alfedena Campo Consolino, which is consistent with previous research. However, female tooth row metrics slightly correlate with burial distances at Campovalano, which was unexpected. Finally, logistic regression and analyses of covariance models of a small dental metric subset could suggest that Alfedena Campo Consolino is the most different of the metric samples and that more comprehensive modelling of sex-specific dental morphogenetic field variation should be considered in bioarchaeology. Results are discussed in terms of biological and physical distances, endogamy and marriage rules, heritability, and small and imbalanced samples for investigating the frontiers and borderlands of the past.

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