Biological and Physical Anthropology Commons^™

Calcaneal Quantitative Ultrasound Indicates Reduced Bone Status Among Physically Active Adult Forager-Horticulturalists, Jonathan Stieglitz, Felicia C. Madimenos, Hillard Kaplan, Michael Gurven

ESI Publications

Six months of exclusive breastfeeding (EBF) is considered optimal for infant health, though globally most infants begin complementary feeding (CF) earlier—including among populations that practice prolonged breastfeeding. Two frameworks for understanding patterns of early CF emerge in the literature. In the first, maternal and infant needs trade-off, as “maternal-centric” factors—related to time and energy demands, reproductive investment, cultural influences, and structural barriers— favor supplanting breastfeeding with earlier and increased CF. A second framework considers that “infant-centric” factors—related to infant energetic needs—favor CF before six months to supplement breastfeeding.

We apply these two frameworks in examining early CF among the Tsimane—a …

An Investigation Into Human To Dog Attachment Systems And Their Influence On The Degree Of Aversion Used In Training, Shelly Volsche

UNLV Theses, Dissertations, Professional Papers, and Capstones

The purpose of my Master’s Thesis research is to determine if and what type of relationship exists between owner-to-dog attachment levels and the degree of aversion used in dog training. I also sought to determine if owner characteristics such as parental status, income, gender, and the like influenced the degree of aversion used. My primary hypothesis is that a negative correlation exists between attachment to one’s dog and aversion used in training. That is, as attachment scores increase, aversion scores decrease. In addition to testing this hypothesis, I collected data to determine if there are correlations between the following: gender …

Effects Of Human Maternal Placentophagy On Maternal Postpartum Iron-Status, Laura Kathleen Gryder

UNLV Theses, Dissertations, Professional Papers, and Capstones

Recently, human maternal placenta ingestion, known as placentophagy, has emerged as a rare but growing practice among postpartum mothers in industrialized societies, and is currently found in both home birth and hospital birth settings. The practice is purported to result in certain health benefits for postpartum mothers, some of which could be related to the iron content in full-term placenta (e.g., increased energy and an improved and more rapid postpartum recovery, among others). The aim of this research project was to investigate the effect of encapsulated placentophagy on maternal postpartum iron status via a randomized, double-blind, placebo-controlled pilot study (n=28). …

Does Market Integration Buffer Risk, Erode Traditional Sharing Practices And Increase Inequality? A Test Among Bolivian Forager-Farmers, Michael Gurven, Adrian V. Jaeggi, Christopher Von Rueden, Paul L. Hooper, Hillard Kaplan

ESI Publications

Sharing and exchange are common practices for minimizing food insecurity in rural populations. The advent of markets and monetization in egalitarian indigenous populations presents an alternative means of managing risk, with the potential impact of eroding traditional networks. We test whether market involvement buffers several types of risk and reduces traditional sharing behavior among Tsimane Amerindians of the Bolivian Amazon. Results vary based on type of market integration and scale of analysis (household vs. village), consistent with the notion that local culture and ecology shape risk management strategies. Greater wealth and income were unassociated with the reliance on others for …

Mongolians In The Genetic Landscape Of Central Asia: Exploring The Genetic Relations Among Mongolians And Other World Populations, Jane E. Brissenden, Judith R. Kidd, Baigalmaa Evsanaa, Ariunaa Togtokh, Andrew J. Pakstis, Françoise Friedlaender, Kenneth K. Kidd, Janet M. Roscoe

Human Biology Open Access Pre-Prints

Genetic data on North Central Asian populations are underrepresented in the literature, especially autosomal markers. In the present study we use 812 single nucleotide polymorphisms that are distributed across all the human autosomes and that have been extensively studied at Yale to examine the affinities of two recently collected, samples of populations: rural and cosmopolitan Mongolians from Ulaanbaatar and nomadic, Turkic-speaking Tsaatan from Mongolia near the Siberian border. We compare these two populations to one another and to a global set of populations and discuss their relationships to New World populations. Specifically, we analyze data on 521 autosomal loci (single …

Depression As Sickness Behavior? A Test Of The Host Defense Hypothesis In A High Pathogen Population, Jonathan Stieglitz, Benjamin C. Trumble, Melissa Emery Thompson, Aaron D. Blackwell, Hillard Kaplan, Michael Gurven

ESI Publications

Sadness is an emotion universally recognized across cultures, suggesting it plays an important functional role in regulating human behavior. Numerous adaptive explanations of persistent sadness interfering with daily functioning (hereafter “depression”) have been proposed, but most do not explain frequent bidirectional associations between depression and greater immune activation. Here we test several predictions of the host defense hypothesis, which posits that depression is part of a broader coordinated evolved response to infection or tissue injury (i.e. “sickness behavior”) that promotes energy conservation and reallocation to facilitate immune activation. In a high pathogen population of lean and relatively egalitarian Bolivian foragerhorticulturalists, …

Origins Of An Unmarked Georgia Cemetery Using Ancient Dna Analysis, Andrew T. Ozga, Raúl Y. Tito, Brian M. Kemp, Hugh Matternes, Alexandra Obregon-Tito, Leslie Neal, Cecil M. Lewis, Jr.

Human Biology Open Access Pre-Prints

Determining the origins of those buried within undocumented cemeteries is of incredible importance to historical archaeologists and in many cases, the nearby communities. In the case of Avondale Burial Place, a cemetery in Bibb County, Georgia, in use from 1820 to 1950, all written documentation of those interred within it has been lost. Osteological and archaeological evidence alone could not describe, with confidence, the ancestral origins of the 101 individuals buried there. In the present study, we utilize ancient DNA extraction methods to investigate the origins of Avondale Burial Place through the use of well-preserved skeletal fragments from 20 individuals …

Reproductive Genetics: Desired Genes, Gendered Ethics, And Eugenic Echoes, Marykate K. Bodnar

The Hilltop Review

Present knowledge of genetics and assisted reproduction make fertile ground for a new type of eugenics: reproductive genetics. Proponents of reproductive genetics aim to separate these techniques from the problematic and negative connotations associated with historical eugenic policies by claiming them as part of the liberal eugenic movement. In-vitro fertilization (IVF), the market for sperm and eggs, and prenatal genetic testing allow conscious decision-making regarding the potential genetic make-up of children. Decisions are made in a gendered and politicized environment, shaping understandings of genes, eggs, and sperm around stereotypes and ideal social norms. In choosing “desirable” characteristics, whatever they may …

La Souffrance Animale À Distance: Des Vétérinaires Dans L’Action Humanitaire, Frédéric Keck, Miriam Ticktin

Publications and Research

Résumé

Cet article étudie le rôle des vétérinaires dans l’humanitaire à partir de deux types de pratique : la défense des animaux contre la cruauté et la surveillance des animaux touchés par les épidémies. En suivant l’extension de l’action humanitaire aux animaux comme nouvelles figures de victimes innocentes, nous cherchons à dépasser l’approche compassionnelle de l’humanitaire pour étudier les nouvelles formes scientifiques impliquant des non-humains, comme la médecine vétérinaire légale, les neurosciences et l’immunologie. Nous soutenons finalement que ces sciences produisent de nouveaux collectifs d’humains et de non-humains.

Abstract

This article traces the role of veterinarians in humanitarian action, focusing …

Lambda Alpha Anthropology Honors Society (Lab): Bridging The Gap Between Coursework And Career, Adriana Stein, Stefanie Berganini

Student Research Symposium

Many anthropology majors gain an academic familiarity with the subject through coursework, but lack an understanding of how to utilize their anthropological skills outside of academia in future careers. To remedy this issue, the Lambda Alpha Beta Honor Society (LAB), a student-led anthropology organization at Portland State University, provides opportunities for participation in events that get students involved with our local community, such as non-profit organizations and local cultural institutions. Some of these organizations include the Oregon Museum of Science and Industry (OMSI), Clark Public Utilities, The Ridgefield Wildlife Refuge, Potluck in the Park, and Habitat for Humanity. As an …

Exploring The Evolutionary Origins Of Obesity Through The Endocrine-Physical Activity-Bone Axis, Maria G. Lapera

Department of Anthropology: Theses and Student Research

As the global obesity epidemic spreads, scientists struggle to understand the biological, cultural, and evolutionary bases for modern fatness. Understanding the contributions of the interaction between physical activity and the endocrine system to regulating metabolism could potentially help people who are overweight or obese in losing weight and illustrate one of the evolutionary pathways that encourages modern obesity. This study used an innovative approach that integrated a lifestyle physical activity and diet questionnaire coupled with endocrine analysis (leptin, osteocalcin) and anthropometric measures in order to create baseline measurements of fit individuals. The mean osteocalcin level was 4201.46 pg/mL and the …

Meta-Analysis On Zoonotic Infectious Diseases Between Humans And Non-Human Primates, Madalyn R. Page

Undergraduate Honors Capstone Projects

Due to genetic similarity, non-human primates are often the focus of zoonotic infectious disease research. The objective of zoonotic disease research can vary depending upon whether the study is focusing on human health or the health of wild non-human primate populations. Research with non-human primates is often associated with their use in medical laboratories for the benefit of human health. However, other studies focus on both the health of wild non-human primate populations and human interactions. This study reviews zoonotic disease research published in three main primatology journals: American Journal of Primatology, International Journal of Primatology, and Primates. …

How Has The Domestication Of Dogs Impacted Native North American Culture And Way Of Life?, Mikaela E. Reisman

Senior Honors Projects

Dogs, as the only domestic mammal in North America, were a part of the life and culture of the people who migrated to the Americas from Eurasia. Originally domesticated from Eurasian wolves, the uses of dogs expanded once the Native American ancestors spread throughout the continents. I investigate the kinds of dogs Native Americans bred over thousands of years and how these dogs impacted native North American culture, through a review of recent genetic, biological, archaeological, oral historical, and historical evidence and research.

Evidence of Native American use of dogs ranges from hunting, to companionship, to using their fur for …

Bodies In Motion: A Bioarchaeological Analysis Of Migration And Identity In Bronze Age Cyprus, Anna Jean Osterholtz

UNLV Theses, Dissertations, Professional Papers, and Capstones

The analysis of human remains from the Bronze Age on Cyprus offers insights into underlying issues of social change and identity formation. Data collected from human remains from six sites throughout the southern half of Cyprus dating to the PreBA through the ProBA (2400--1100 BC) provide insight into social cohesion and group identity during this time of constant social change. Human remains were used to provide demographic data (such as number of individuals interred together, age at death and sex), health profiles (such as incidence of childhood stress, pathologies, and trauma), and robusiticty. Specifically, these data were gathered to provide …

Bone Deterioration Due To Domesticated Rodent Scavenging, Logan N. Howard

Symposium of Student Scholars

This project examines the deterioration of bone caused by rat scavenging. Additionally, it will focus on what types of bones rats prefer when scavenging remains. The expected outcome is that the rodents will prefer the antler, with concentrated scavenging on the diaphysis due to the marrow withim the core.

The purpose for this project is to compare the markings left upon bones from rat gnawing. Knowing the effects of rat markings on remains are important when differentiating between traumatic damages and postmortem scavenging. Rat gnawing on human bones sometimes causes breakage associated with skeletal trauma, so distinguishing between the two …

Examination Of Blunt Force Skeletal Injuries As A Result Of Falls From Heights, Michele Kumar

Symposium of Student Scholars

Michele Kumar - Email: [email protected]

Title: Examination of Blunt Force Skeletal Injuries as a Result of Falls from Heights

Damage to the skeleton can be extensive with falls from heights. Using measurements such as the height of the fall, the weight of the individual to calculate acceleration due to gravity, velocity of the launch speed, and the take-off distance in cases of homicide or suicide, certain occurrences can be predicted (Cross 2006:93). The position of the body, in conjunction with the surface and angle of impact can identify skeletal trauma in cases where the manner of death is unknown. Although …

Positional Relationship Of The Fibula Relative To The Tibia In Collegiate Athletes, Kat Lane

Symposium of Student Scholars

The research being conducted for a Practicum in Anthropology is related to the cross-sectional geometric properties of the tibia and fibula. Wolff’s Law states that form follows function, or that when stresses are placed on bone, the bone will remodel through either absorption or deposition in order to maintain optimal strain levels. The majority of research in cross-sectional bone geometry has been on the femur, and that which has been examining the lower leg usually focused on only the tibia. The tibia has managed to escape the focus of research due to the assumption of its lack of importance due …

Osteology Of A Burial Vessel From The Late Prehistoric/Early Contact Period Pine Harbor Site (9mc64), Amanda C. Shively

Honors College Theses

This research focuses on osteological examination of a single urn-burial’s contents from Pine Harbor (9MC64), a late prehistoric to early contact period archaeological site excavated on the coast of Georgia in 1978. Analysis generated from this study seeks to shed light on burial demographics and practices of its native occupants.

Origins Of An Unmarked Georgia Cemetery Using Ancient Dna Analysis, Andrew T. Ozga, Raul Y. Tito, Brian M. Kemp, Hugh Matternes, Alexandra J. Obregon-Tito, Leslie Neal, Cecil M. Lewis Jr.

Biology Faculty Articles

Determining the origins of those buried within undocumented cemeteries is of incredible importance to historical archaeologists and, in many cases, the nearby communities. In the case of Avondale Burial Place, a cemetery in Bibb County, Georgia, in use from 1820 to 1950, all written documentation of those interred within it has been lost. Osteological and archaeological evidence alone could not describe, with confidence, the ancestral origins of the 101 individuals buried there. In the present study, we used ancient DNA extraction methods in well-preserved skeletal fragments from 20 individuals buried in Avondale Burial Place to investigate the origins of the …

Horses: How Saddle Style Defines A Culture And The Skeletal System, Brandy Morgan

Honors Theses

This paper examines the way in which various parameters affect injury type and prevalence in horse eventing. The human-horse relationship has a long history that has continued to evolve, and their relationship is still strong today, especially in the role of sports and entertainment. In equestrian sports, horseback riding has been found to be extremely dangerous in terms of prevalence and severity of injury. This paper evaluates how saddle style, the sex of the rider, rider experience, and nature of event impacts injury patterns specifically within horse eventing which utilizes an English styled saddle.