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Articles 1 - 30 of 73
Full-Text Articles in Biological and Physical Anthropology
Low Mineral Density Of A Weight-Bearing Bone Among Adult Women In A High Fertility Population, Jonathan Stieglitz, Bret Beheim, Benjamin C. Trumble, Felicia C. Madimenos, Hillard Kaplan, Michael Gurven
Low Mineral Density Of A Weight-Bearing Bone Among Adult Women In A High Fertility Population, Jonathan Stieglitz, Bret Beheim, Benjamin C. Trumble, Felicia C. Madimenos, Hillard Kaplan, Michael Gurven
ESI Publications
Evolutionary theories of aging posit that greater reproductive effort causes somatic decline given a fundamental trade-off between investing energy in reproduction and repair. Few studies in high fertility human populations support this hypothesis, and problems of phenotypic correlation can obscure the expected trade-off between reproduction and somatic condition. This cross-sectional study investigates whether greater reproductive effort is associated with reduced calcaneal bone mineral density (BMD) among female Tsimane forager-farmers of lowland Bolivia. We also investigate whether female Tsimane BMD values are lower than sex- and age-matched US reference values, despite the fact that Tsimane engage in higher physical activity levels …
A Stable Isotope Analysis Of Faunal Remains From Special Deposits On Ontario Iroquoian Tradition Sites, Laura Booth
A Stable Isotope Analysis Of Faunal Remains From Special Deposits On Ontario Iroquoian Tradition Sites, Laura Booth
Electronic Thesis and Dissertation Repository
The deliberate interment of bears, deer, and dogs on Ontario Iroquoian Tradition sites (900-1650 AD) suggests these animals had social and ideological meaning. This thesis uses stable carbon and nitrogen isotope analysis from bone collagen of faunal remains from both special and refuse contexts on eight sites in Southern Ontario to investigate the possible relationship between an animal’s burial context, diet, and value. Results indicate that most animals consumed a diet typical for their species regardless of context, suggesting the ideological value of specially deposited animals was augmented through human-animal interactions other than dietary manipulation. Bears from the Dorchester site …
Framing A “Wicked” Debate: Subsistence, Nutrition, And Indigenous Rights Versus Deforestation, Air Pollution, And Climate Change, Cynthia Fowler
Framing A “Wicked” Debate: Subsistence, Nutrition, And Indigenous Rights Versus Deforestation, Air Pollution, And Climate Change, Cynthia Fowler
Faculty Scholarship
This presentation considers anthropogenic environmental change as a wicked problem in which multiple, divergent understandings of complex systems and changing conditions coexist. The stakes are high with this wicked problem for the whole Earth and all of humanity. Stakes are especially high in the tropical agropastoral communities whose resource management systems are the subject of much consternation and, at the same time, whose systems are incompletely known.
Secular Change In Stature And Body Mass In Korea Over The Last Two Millennia, Yangseung Jeong
Secular Change In Stature And Body Mass In Korea Over The Last Two Millennia, Yangseung Jeong
Doctoral Dissertations
Body size of a population is influenced by its environmental conditions and thus reflects the standards of living experienced by individuals within a population. In this research, for the purpose of investigating the standards of living in the Korean societies for the past two millennia, the pattern of secular changes in stature and body mass of the Korean populations were examined using both anthropometric and osteometric data. In addition, because of the necessity of reconstructing body sizes from the skeletal remains, new Korean-specific equations for stature and body mass estimation were developed using the hybrid method.
The newly developed equations …
An Evaluation Of Metric Methods Of Race Differentiation In The Human Pelvic Girdle For The Application Of Expert Witness Testimony, Laura Natalie Yurka
An Evaluation Of Metric Methods Of Race Differentiation In The Human Pelvic Girdle For The Application Of Expert Witness Testimony, Laura Natalie Yurka
Master's Theses
Research has shown that measurements from the pelvic bones and femur can be utilized for race estimation when the skull is absent or damaged. The literature reported levels up to 95% accuracy when utilizing discriminant function analysis to simultaneously classify race and sex. This research examined the previously reported methods of race estimation within the evidence standards for forensic science as well as current statistical standards. New metric measurements from the pelvis and femur were also proposed and tested to assess their utility as race indicators. Finally, this research addressed concerns that skeletal collections like the Robert J. Terry Skeletal …
One Big Puzzle, Two Thousand Tiny Pieces: An Analysis Of The Juvenile Remains From The Shady Grove Ossuary, Jaimie Arlene Ide
One Big Puzzle, Two Thousand Tiny Pieces: An Analysis Of The Juvenile Remains From The Shady Grove Ossuary, Jaimie Arlene Ide
Master's Theses
This thesis is an inventory and analysis of the juvenile remains excavated in 2010 from a Middle Mississippian ossuary at the Shady Grove site (22QU525), located in the Mississippi Delta. This project presents a clear challenge given the commingled and incomplete nature of the sample, as well as the preservation biases associated with subadult material, but this research offers valuable insight into the demographic pattern of the larger population at the site, as well as the mortuary practices which created the ossuary at Shady Grove. A “bone-by-bone” inventory revealed the presence of 43 juvenile individuals between the ages of 0 …
Morphometric Assessment Of The Internal Auditory Canal For Sex Determination In Subadults Using Cone Beam Computed Tomography (Cbct), Saoly Benson
UNLV Theses, Dissertations, Professional Papers, and Capstones
This study reports on the use of three methods for sex determination in subadults using the petrous portion of the temporal bone. The purpose of this study was to validate and refine two previously published methods of sex determination for the internal auditory canal as well as to develop a novel method. The sample was comprised of 276 cone beam computed tomography (CBCT) scans of a population of subadults age 6-24 (165 females, 111 males) divided into 5 age groups for analysis: Group 1 (age 6-10), Group 2 (age 11-13), Group 3 (age 14-16), Group 4 (age 17-19), and Group …
Were Neandertal Humeri Adapted For Spear Thrusting Or Throwing? A Finite Element Study, Michael Anthony Berthaume
Were Neandertal Humeri Adapted For Spear Thrusting Or Throwing? A Finite Element Study, Michael Anthony Berthaume
Masters Theses
An ongoing debate concerning Neandertal ecology is whether or not they utilized long range weaponry. The anteroposteriorly expanded cross-section of Neandertal humeri have led some to argue they thrusted their weapons, while the rounder cross-section of Late Upper Paleolithic modern human humeri suggests they threw their weapons. We test the hypothesis that Neandertal humeri were built to resist strains engendered by thrusting rather than throwing using finite element models of one Neandertal, one Early Upper Paleolithic (EUP) human and three recent human humeri, representing a range of cross-sectional shapes and sizes. Electromyography and kinematic data and articulated skeletons were used …
Minerals In The Foods Eaten By Mountain Gorillas (Gorilla Beringei), Emma C. Cancelliere, Nicole Deangelis, John Bosco Nkurunungi, David R. Raubenheimer, Jessica M. Rothman
Minerals In The Foods Eaten By Mountain Gorillas (Gorilla Beringei), Emma C. Cancelliere, Nicole Deangelis, John Bosco Nkurunungi, David R. Raubenheimer, Jessica M. Rothman
Publications and Research
Minerals are critical to an individual’s health and fitness, and yet little is known about mineral nutrition and requirements in free-ranging primates. We estimated the mineral content of foods consumed by mountain gorillas (Gorilla beringei beringei) in the Bwindi Impenetrable National Park, Uganda. Mountain gorillas acquire the majority of their minerals from herbaceous leaves, which constitute the bulk of their diet. However, less commonly eaten foods were sometimes found to be higher in specific minerals, suggesting their potential importance. A principal component analysis demonstrated little correlation among minerals in food items, which further suggests that mountain gorillas might increase dietary …
Project Holly: Can Human-Based Behavioral Therapy Help A Chimpanzee?, Ellen Ingmanson
Project Holly: Can Human-Based Behavioral Therapy Help A Chimpanzee?, Ellen Ingmanson
Bridgewater Review
No abstract provided.
In A Bind: Artificial Cranial Deformation In The Americas, Aaron Fehir
In A Bind: Artificial Cranial Deformation In The Americas, Aaron Fehir
Laurier Undergraduate Journal of the Arts
No abstract provided.
A Mediterranean Mosaic: The Archaeological Evidence For Ethnic Diversity At Pithekoussai, Rachel Dewan
A Mediterranean Mosaic: The Archaeological Evidence For Ethnic Diversity At Pithekoussai, Rachel Dewan
Laurier Undergraduate Journal of the Arts
No abstract provided.
Collapse Of An Ecological Network In Ancient Egypt, Justin Yeakel, Mathias Pires, Lars Rudolf, Nathaniel Dominy
Collapse Of An Ecological Network In Ancient Egypt, Justin Yeakel, Mathias Pires, Lars Rudolf, Nathaniel Dominy
Dartmouth Scholarship
The dynamics of ecosystem collapse are fundamental to determining how and why biological communities change through time, as well as the potential effects of extinctions on ecosystems. Here, we integrate depictions of mammals from Egyptian antiquity with direct lines of paleontological and archeological evidence to infer local extinctions and community dynamics over a 6,000-y span. The unprecedented temporal resolution of this dataset enables examination of how the tandem effects of human population growth and climate change can disrupt mammalian communities. We show that the extinctions of mammals in Egypt were nonrandom and that destabilizing changes in community composition coincided with …
Early Life Environment, Fertility And Age Of Menarche: A Test Of Life History Predictions Using A Longitudinal Assessment Of Adversity Perception And Economic Status, Dorsa Amir, Matthew R. Jordan, Richard G. Bribiescas
Early Life Environment, Fertility And Age Of Menarche: A Test Of Life History Predictions Using A Longitudinal Assessment Of Adversity Perception And Economic Status, Dorsa Amir, Matthew R. Jordan, Richard G. Bribiescas
Richard G. Bribiescas
Perceptions of early life environmental adversity can affect the timing of life history transitions and investment in reproductive effort. These effects are well documented in non-human organisms, but have been challenging to test in humans. Here we present evidence of the effects of variables associated with extrinsic mortality and morbidity on reproductive effort in a contemporary American population. Using a longitudinal database that sampled participants (N ≥ 1,579) at four points during adolescence and early adulthood, variables reflective of perceptions of adversity and risk were significantly associated with age of menarche and early adult fertility. While other factors related to …
Kaelin Rapport - Histological Techniques For The Sex Determination Of Skeletonized Human Remains, Kaelin Rapport
Kaelin Rapport - Histological Techniques For The Sex Determination Of Skeletonized Human Remains, Kaelin Rapport
Ronald E. McNair Scholars Program 2014
Determining the sex of skeletons is problematic in forensic and bio-archaeological research. Past studies demonstrate that bone cells can sometimes contain preserved sex chromosomal material in ancient samples. The sex chromosomes in skeletal remains may allow determination of sex in non-adults. The problem is explored by making 20μ thin sections stained with hematoxylin eosin. The dye highlights inactive X chromosomes (Barr Bodies) of females. The presence of the Barr Body is an indicator of female with an accuracy of greater than 99.9. This approach to identification of sex in unknown skeletons has been demonstrated with remains of individuals deceased as …
Genetics Of The Pig Tapeworm In Madagascar Reveal A History Of Human Dispersal And Colonization, Tetsuya Yanagida, Jean-François Carod, Yasuhito Sako, Minoru Nakao, Eric P. Hoberg, Akira Ito
Genetics Of The Pig Tapeworm In Madagascar Reveal A History Of Human Dispersal And Colonization, Tetsuya Yanagida, Jean-François Carod, Yasuhito Sako, Minoru Nakao, Eric P. Hoberg, Akira Ito
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
An intricate history of human dispersal and geographic colonization has strongly affected the distribution of human pathogens. The pig tapeworm Taenia solium occurs throughout the world as the causative agent of cysticercosis, one of the most serious neglected tropical diseases. Discrete genetic lineages of T. solium in Asia and Africa/Latin America are geographically disjunct; only in Madagascar are they sympatric. Linguistic, archaeological and genetic evidence has indicated that the people in Madagascar have mixed ancestry from Island Southeast Asia and East Africa. Hence, anthropogenic introduction of the tapeworm from Southeast Asia and Africa had been postulated. This study shows that …
The Development And Function Of The Nasopharynx And Its Role In The Evolution Of Primate Respiratory Abilities, Anthony Santino Pagano
The Development And Function Of The Nasopharynx And Its Role In The Evolution Of Primate Respiratory Abilities, Anthony Santino Pagano
Dissertations, Theses, and Capstone Projects
The nasopharynx is a centrally located region of the upper respiratory tract (URT) integral to several physiological functions. However, few have focused on this area within the context of human evolution. This study investigated osseous morphology, soft tissue histology, development, and evolutionary change of the nasopharynx. Multimodal analyses were performed:
Analysis 1: This study tested hypotheses on the morphological relationships of the osseous nasopharyngeal boundaries with the splanchnocranium and basicranium among dry crania representing humans and non-human primates using 3D geometric morphometrics (3D-GM). Results showed that humans, the most orthognathic group, exhibited the widest nasopharynges. Over human development, the nasopharynx …
"Till Death Us Do Part: The Evolution Of Monogamy, Kirsten Glaeser
"Till Death Us Do Part: The Evolution Of Monogamy, Kirsten Glaeser
Oglethorpe Journal of Undergraduate Research
With statistics indicating that one out of every two marriages in the United States ends in a divorce, the validity of monogamous marriages has come under fire. Are humans truly capable of maintaining monogamous marriages or are they constraining their sexuality by doing so? The research entails two different perspectives while analyzing human monogamy; monogamy as a mating pattern and monogamy as a marriage pattern. The reason being that monogamy is solely not an evolved phenomenon but also a socialized one throughout most cultures. While analyzing monogamy as a mating pattern, several occurrences throughout our evolution allowed humans the ability …
Early Life Environment, Fertility And Age Of Menarche: A Test Of Life History Predictions Using A Longitudinal Assessment Of Adversity Perception And Economic Status, Dorsa Amir, Matthew R. Jordan, Richard G. Bribiescas
Early Life Environment, Fertility And Age Of Menarche: A Test Of Life History Predictions Using A Longitudinal Assessment Of Adversity Perception And Economic Status, Dorsa Amir, Matthew R. Jordan, Richard G. Bribiescas
Yale Day of Data
Perceptions of early life environmental adversity can affect the timing of life history transitions and investment in reproductive effort. These effects are well documented in non-human organisms, but have been challenging to test in humans. Here we present evidence of the effects of variables associated with extrinsic mortality and morbidity on reproductive effort in a contemporary American population. Using a longitudinal database that sampled participants (N ≥ 1,579) at four points during adolescence and early adulthood, variables reflective of perceptions of adversity and risk were significantly associated with age of menarche and early adult fertility. While other factors related to …
A Statistical Investigation Of Nonmetric Vertebral Traits With A Skeletal Population Sample From The Dakhleh Oasis, Egypt, Tiffany A. Sarfo
A Statistical Investigation Of Nonmetric Vertebral Traits With A Skeletal Population Sample From The Dakhleh Oasis, Egypt, Tiffany A. Sarfo
Electronic Thesis and Dissertation Repository
This paleogenetic study utilizes 17 nonmetric epigenetic vertebral traits to determine their suitability for studying past genetic relationships. The samples utilized were from Egypt’s Dakhleh Oasis. Though infracranial nonmetric traits have a limited role in the study of past population genetics, this study has shown their value for elucidating past genetic patterns for intragroup analysis. The key to their utilization is to test the epigenetic factors (e.g., age, sex, symmetry and intertrait correlations) which were done using a number of statistical tests including Phi coefficient, G-test and the Odds ratio. This study utilized a novel set of spatial statistics to …
Leadership In An Egalitarian Society, Christopher Von Rueden, Michael Gurven, Hillard Kaplan, Jonathan Stieglitz
Leadership In An Egalitarian Society, Christopher Von Rueden, Michael Gurven, Hillard Kaplan, Jonathan Stieglitz
ESI Publications
Leadership is instrumental to resolution of collective action dilemmas, particularly in large, heterogeneous groups. Less is known about the characteristics or effectiveness of leadership in small-scale, homogeneous, and relatively egalitarian societies, in which humans have spent most of our existence. Among Tsimane’ forager-horticulturalists of Bolivia, we (1) assess traits of elected leaders under experimental and naturalistic conditions and (2) test whether leaders impact collective action outcomes. We find that elected leaders are physically strong and have more kin and other exchange partners. Their ranks on physical dominance, kin support, and trustworthiness predict how well their groups perform, but only where …
In Search Of A Cause: An Etiological Analysis Of Manubrial Porosity, Jose Sanchez
In Search Of A Cause: An Etiological Analysis Of Manubrial Porosity, Jose Sanchez
Electronic Thesis and Dissertation Repository
Few studies in paleopathology focus on the sternum as a unit of analysis to determine how it can contribute to disease diagnosis in the past. This thesis tested the null hypothesis that manubrial porosity was not associated with respiratory disease or pulmonary tuberculosis. One hundred fifty-four individuals from the Luis Lopes Skeletal Collection were assessed for manubrial porosity. This study sought to be as comprehensive as possible, and thus tested several variables to identify any significant associations with manubrial porosity. Using the odds ratio, 95% confidence interval, and chi-square tests, significant associations exist between manubrial porosity, adolescence, and sternal body …
Political Influence Associates With Cortisol And Health Among Egalitarian Forager-Farmers, Christopher Von Rueden, Benjamin C. Trumble, Melissa Emery Thompson, Jonathan Stieglitz, Paul L. Hooper, Aaron D. Blackwell, Hillard Kaplan, Michael Gurven
Political Influence Associates With Cortisol And Health Among Egalitarian Forager-Farmers, Christopher Von Rueden, Benjamin C. Trumble, Melissa Emery Thompson, Jonathan Stieglitz, Paul L. Hooper, Aaron D. Blackwell, Hillard Kaplan, Michael Gurven
ESI Publications
Background and objectives: Low social status increases risk of disease due, in part, to the psychosocial stress that accompanies feeling subordinate or poor. Previous studies report that chronic stress and chronically elevated cortisol can impair cardiovascular and immune function. We test whether lower status is more benign in small-scale, relatively egalitarian societies, where leaders lack coercive authority and there is minimal material wealth to contest.
Methodology: Among Tsimane’ forager-horticulturalists of lowland Bolivia, we compare informal political influence among men with urinary cortisol, immune activation (innate and acquired), and morbidity as assessed during routine medical exams.
Results: After …
Hla Class Ii Alleles In The Otomi Population Of The Mezquital Valley. A Genetic Approach To The History Of Interethnic Migrations In The Mexican Central Plateau, Ana Itzel Juárez-Martín, Blanca Zoila González-Sobrino, Ángel Eduardo Camarena Olvera, Ramcés Falfán-Valencia
Hla Class Ii Alleles In The Otomi Population Of The Mezquital Valley. A Genetic Approach To The History Of Interethnic Migrations In The Mexican Central Plateau, Ana Itzel Juárez-Martín, Blanca Zoila González-Sobrino, Ángel Eduardo Camarena Olvera, Ramcés Falfán-Valencia
Human Biology Open Access Pre-Prints
From a historic and genetic point of view, the Otomi of the Mezquital Valley are a frontier people that have played an important role in the making of the population dynamics of the Mexican Central Plateau. Due to their antiquity in the area, the Otomi may be bearers of ancient genetic variability, shared mainly today with other groups belonging to the Otomanguean linguistic family and with the Nahua.
This study analyzes the HLA class II allele frequencies reported in Mexican indigenous populations, in order to provide an intra-regional level historical perspective of the genetic relationships between the Otomi of the …
Population Genetic Structure Of Traditional Populations In The Peruvian Central Andes And Implications For South American Population History, Graciela S. Cabana, Cecil M. Lewis, Jr., Raúl Y. Tito, R. Alan Covey, Angela M. Cáceres, C. Leslie Castillo Pampas, Augusto F. De La Cruz, Diana Durand, Genevieve Housman, Brannon I. Hulsey, Gian Carlo Iannacone, Paul W. Lopez, Rolando Martínez, Ángel Medina, Olimpio Ortega Dávila, Karla Paloma Osorio Pinto, Susan I. Polo Santillán, Percy Rojas Domínguez, Meagan Rubel, Heather F. Smith, Silvia E. Smith, Verónica Rubín De Celis, Beatriz Lizárraga, Anne C. Stone
Population Genetic Structure Of Traditional Populations In The Peruvian Central Andes And Implications For South American Population History, Graciela S. Cabana, Cecil M. Lewis, Jr., Raúl Y. Tito, R. Alan Covey, Angela M. Cáceres, C. Leslie Castillo Pampas, Augusto F. De La Cruz, Diana Durand, Genevieve Housman, Brannon I. Hulsey, Gian Carlo Iannacone, Paul W. Lopez, Rolando Martínez, Ángel Medina, Olimpio Ortega Dávila, Karla Paloma Osorio Pinto, Susan I. Polo Santillán, Percy Rojas Domínguez, Meagan Rubel, Heather F. Smith, Silvia E. Smith, Verónica Rubín De Celis, Beatriz Lizárraga, Anne C. Stone
Human Biology Open Access Pre-Prints
Molecular-based characterizations of Andean peoples are traditionally conducted in the service of elucidating continental-level evolutionary processes in South America. Consequently, “western” Andean population genetic variation is often represented in relation to “eastern” variation among Amazon and Orinoco River Basin populations. This west-east contrast in patterns of population genetic variation is typically attributed to large-scale phenomena, such as dual founder colonization events and/or differing long-term microevolutionary histories. However, alternative explanations that consider the nature and causes of population genetic diversity within the Andean region remain underexplored.
Here we examine population genetic diversity in the Peruvian Central Andes using mtDNA HVI and …
At Risk For Ptsd: The Public Health Implications Of Trauma, Madeline Peyton
At Risk For Ptsd: The Public Health Implications Of Trauma, Madeline Peyton
Master's Projects and Capstones
The fieldwork experience is the summation of six semesters of graduate level public health training. At commencement, students are to be proficient in basic data analysis and epidemiological principles, in how environmental risks impact health, and demonstrate strong program planning, evaluation and leadership skills. Throughout, students are encouraged to focus their academic work on an area of public health that interest them and on a problem that they hope to impact in their professional work. I continued in an area I began as an undergraduate student of medical anthropology and explored the systems that interact to influence mental health of …
Sacred Heart: A Stable Isotope Analysis Of Childhood, Diet, And Mobility At A Nineteenth Century Ontario Cemetery, Emily Wells
Sacred Heart: A Stable Isotope Analysis Of Childhood, Diet, And Mobility At A Nineteenth Century Ontario Cemetery, Emily Wells
Electronic Thesis and Dissertation Repository
This thesis uses stable isotopes of carbon and nitrogen derived from bone collagen and tooth dentin to study infant feeding behaviour, diet, and mobility at the 19th century Sacred Heart Cemetery in Ingersoll, Ontario, in use from 1848 to 1880. d15N and d13C bone values indicate a diet high in protein with a mix of C3 and C4 plants. The most significant source of dietary C4 plants is through secondary consumption, via livestock raised on maize fodder. The dietary profile of the Sacred Heart population is similar to two contemporary Ontario populations. …
An Investigation Of Diabetes Mellitus In Postmortem Human Remains, Shannon Elizabeth May
An Investigation Of Diabetes Mellitus In Postmortem Human Remains, Shannon Elizabeth May
Doctoral Dissertations
Diabetes mellitus is one of the most prevalent and significant metabolic diseases impacting modern human populations. The goal of this research is to explore several analytical methods to better appreciate how diabetes impacts the skeleton, and to determine if this effect can be recognized in postmortem remains. Anthropologists are tasked with elucidating the relationship between nutrition, metabolism, growth, development, and skeletal health. Diabetes represents a crucial point of interface between these factors. Furthermore, as the percentage of diabetics increases in the general population, so will their representation in forensic cases. This study will provide tools for identifying characteristics of diabetes …
Tempo And Mode Of Domestication During The Neolithic Revolution: Evidence From Dental Mesowear And Microwear Of Sheep, Melissa Zolnierz
Tempo And Mode Of Domestication During The Neolithic Revolution: Evidence From Dental Mesowear And Microwear Of Sheep, Melissa Zolnierz
Graduate Theses and Dissertations
The Neolithic Revolution marked a dramatic change in human subsistence practices. In order to explain this change, we must understand the motive forces behind it. Researchers have proposed many different stimuli, with most theories invoking environmental dynamics, human population density increases beyond environmental carrying capacity, and the natural outgrowth of human and plant/animal interactions. However, unanswered questions remain concerning the mechanics of animal domestication. Traditional studies of changing faunal morphology and skeletal population profiles offer some clues, but such research has had limited success identifying stages intermediate between wild and domesticated forms, which makes it difficult to discern initial attempts …
A Test Of The Intergenerational Conflict Model In Indonesia Shows No Evidence Of Earlier Menopause In Female-Dispersing Groups, Kristin Snopkowski, Cristina Moya, Rebecca Sear
A Test Of The Intergenerational Conflict Model In Indonesia Shows No Evidence Of Earlier Menopause In Female-Dispersing Groups, Kristin Snopkowski, Cristina Moya, Rebecca Sear
Kristin Snopkowski
Menopause remains an evolutionary puzzle, as humans are unique among primates in having a long post-fertile lifespan. One model proposes that intergenerational conflict in patrilocal populations favours female reproductive cessation. This model predicts that women should experience menopause earlier in groups with an evolutionary history of patrilocality compared with matrilocal groups. Using data from the Indonesia Family Life Survey, we test this model at multiple timescales: deep historical time, comparing age at menopause in ancestrally patrilocal Chinese Indonesians with ancestrally matrilocal Austronesian Indonesians; more recent historical time, comparing age at menopause in ethnic groups with differing postmarital residence within Indonesia …