Tanner
Biographic Data
| ID | 90995 |
|---|---|
| NAME | Tanner |
| FAMILY NAME | Tanner |
| SIGNATURE | TANNER |
| AFFILIATIONS | University of Georgia |
| ORCID | 0000-0002-2728-685X |
| VERIFIED | Yes |
| TOTAL WORKS | 66 |
| TOTAL CITATIONS | 459 |
| AUTHOR COUNT | 66 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1935 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 13 |
Beyond Co-Regulation
As generative artificial intelligence (GenAI) tools become embedded in writing practices, researchers must refine methodologies for studying self-regulation in AI-assisted composition. While sociocognitive and co-regulation frameworks have effectively captured self-regulatory processes in human collaboration, they are insufficient for understanding how writers manage the dynamic and probabilistic nature of AI-generated text. This article introduc…
Long panel studies of small-scale rural societies in the Global South
Many topics in the behavioral sciences and epidemiology require researchers to directly observe entities (e.g., individuals, households) over a long time to identify lasting effects. Long-term panel data collection is more common in high-income countries than in small-scale rural societies (SSRS) of low-income countries. SSRS are mobile, nature-dependent, linguistic minorities, and highly autarkic. Analyzing such data using a life-course perspect…
Adult knowledge of wild plants associated with limited delayed health and nutritional benefits for children or adults in the face of external change
Cross-sectional studies suggest that local ecological knowledge (LEK) helps humans cope with their environment. Among the forms of LEK, adult knowledge of wild plants has been associated with better child and adult health. We assess if the concurrent links between i) LEK and ii) health and nutritional status last and examine if LEK yields delayed benefits when societies face large socioeconomic and environmental changes. We use a yearly panel (20…
Changes in adult well-being and economic inequalities
Knowing what happens over time to the lifeways of people in contemporary small-scale non-industrial societies of the rural Global South matters because it helps assess changes in the quality of life of underrepresented groups. It has been hard to answer the question because longitudinal information is rarely collected in such settings. A longitudinal dataset of nine years (2002–2010) from a horticultural-foraging society of Indigenous People in t…
Survey of Law Student Awareness and Use of Captions
Biocultural Strategies for Measuring Psychosocial Stress Outcomes in Field-based Research
The goal of assessing psychosocial stress as a process and outcome in naturalistic (i.e., field) settings is applicable across the social, biological, and health sciences. Meaningful measurement of biology-in-context is, however, far from simple or straightforward. In this brief methods review, we introduce theoretical framings, methodological conventions, and ethical concerns around field-collection of markers of psychosocial stress that have em…
Age‐related decline in urine concentration may not be universal
OBJECTIVES: Evidence from industrialized populations suggests that urine concentrating ability declines with age. However, lifestyle factors including episodic protein intake and low hypertension may help explain differences between populations. Whether this age-related decline occurs among small-scale populations with active lifestyles and non-Western diets is unknown. We test the universality of age-related urine concentration decline. MATERIAL…
Birth seasons and heights among girls and boys below 12 years of age
The results suggest that redressing stunting will require attention to conditions in utero, infancy and late childhood
Indigenous Agency in the Amazon
Catch-up growth and growth deficits
The prevalence of growth faltering among the Tsimane' has declined, but hurdles still substantially lock children into height categories
Deforestation, Dogs, and Zoonotic Disease
Water from fruit or the river? Examining hydration strategies and gastrointestinal illness among Tsimane’ adults in the Bolivian Amazon
Objective Water is an essential nutrient overlooked in many cross-cultural studies of human nutrition. The present article describes dietary water intake patterns among forager-horticulturalist adults in lowland Bolivia, compares daily intake with international references and examines if variation in how people acquire water relates to gastrointestinal illness. Design Cross-sectional observational study used survey, anthropometric and qualitative…
The Tsimane’ Amazonian Panel Study (Taps)
The consequences of linear growth stunting
Stunting, or linear growth retardation, has been documented in up to half of all children in rural indigenous populations of South America. Stunting is well understood as a signal of adverse conditions during growth, and has been associated with developmentally induced modifications to body composition, including body fat and muscularity, that stem from early growth restriction. This article examines the relation between short stature and three a…
Health and disease
Research in bioarchaeology and among living people provides insight into the biological and biocultural consequences of subsistence, political, and economic transitions. Central to this effort is examining infectious disease, such as diarrheal disease, respiratory infections, and parasitic infections because they are an important source of nutritional and energetic stress in both past and current groups. Although infection may not always result i…
Precursors to overnutrition
Diurnal cortisol rhythms and child growth
OBJECTIVE: Although psychosocial stress has also been implicated as a contributor to growth failure by imposing energetic constraints during development, the direct physiological pathways by which these life history trade-offs are imposed are not well understood. This study explores associations between diurnal cortisol rhythms and differential patterns of linear child growth among the Tsimane, a horticulturalist and foraging society in the Boliv…
Sibling composition during childhood and adult blood pressure among native Amazonians in Bolivia
Adult obesity
The effects of local medicinal knowledge and hygiene on helminth infections in an Amazonian society
Short but catching up
The ubiquity and consequences of childhood growth stunting ( Z score, HAZ) in rural areas of low‐income nations has galvanized research into the reversibility of stunting, but the shortage of panel data has hindered progress. Using panel data from a native Amazonian society of foragers‐farmers in Bolivia (Tsimane'), we estimate rates of catch‐up growth for stunted children. One hundred forty‐six girls and 158 boys 2 ≤ age ≤ 7 were measured annual…
Cultural Consonance and Psychological Well-Being. Estimates Using Longitudinal Data from an Amazonian Society
Cultural consonance and body morphology
Researchers have hypothesized that the degree to which an individual's actual behavior approximates the culturally valued lifestyle encoded in the dominant cultural model has consequences for physical and mental health. We contribute to this line of research by analyzing data from a longitudinal study composed of five annual surveys (2002–2006 inclusive) from 791 adults in one society of foragers–farmers in the Bolivian Amazon, the Tsimane'. We e…
Does civilization cause discontentment among indigenous Amazonians? Test of empirical data from the Tsimane' of Bolivia
Individual Wealth Rank, Community Wealth Inequality, and Self-Reported Adult Poor Health
Growing evidence suggests that economic inequality in a community harms the health of a person. Using panel data from a small-scale, preindustrial rural society, we test whether individual wealth rank and village wealth inequality affects self-reported poor health in a foraging-farming native Amazonian society. A person's wealth rank was negatively but weakly associated with self-reported morbidity. Each step up/year in the village wealth hierarc…
Maintenance versus growth
Immune function is a central component of maintenance effort, and it provides critical protection against the potentially life threatening effects of pathogens. However, immune defenses are energetically expensive, and the resources they consume are not available to support other activities related to growth and/or reproduction. In our study we use a life history theory framework to investigate tradeoffs between maintenance effort and growth amon…
Concepts and Methods in Studies Measuring Individual Ethnobotanical Knowledge
We review 34 quantitative studies that have measured individual-level variations in ethnobotanical knowledge, analyzing how those studies have conceptualized and operationalized ethnobotanical knowledge. We found that this type of research is recent but growing, and is concentrated in indigenous peoples of developing countries. We also found that studies differ on how they conceptualize and measure individual ethnobotanical knowledge. As it is th…
Physical growth and nutritional status of Tsimane' Amerindian children of lowland Bolivia
This study examines patterns of growth and nutritional status of indigenous Tsimane' children under 9 years of age (n = 199 boys and 210 girls), based on a cross‐sectional sample from 58 villages from the Beni Deparment of lowland Bolivia. Compared with US children, Tsimane' children are quite short, with linear growth tracking at or below the US 5th centile in both sexes. The prevalence of low height‐for‐age (“stunting;” HA Z‐scores ≤−2) is 52% …
Long-Term (Secular) Change of Ethnobotanical Knowledge of Useful Plants
Anthropologists, conservation biologists, and psychologists have generally found a long-term (secular) decline of ethnobotanical knowledge among indigenous people. To estimate such knowledge loss, researchers have typically relied on a single cross-sectional data set to (a) measure knowledge among people of different ages, (b) compare measures between ages, and (c) infer a loss of knowledge if the old knew more than the young. We improve on the a…
Evaluating indices of traditional ecological knowledge
BACKGROUND: New quantitative methods to collect and analyze data have produced novel findings in ethnobiology. A common application of quantitative methods in ethnobiology is to assess the traditional ecological knowledge of individuals. Few studies have addressed reliability of indices of traditional ecological knowledge constructed with different quantitative methods. METHODS: We assessed the associations among eight indices of traditional ecol…
Physical stature of adult Tsimane’ Amerindians, Bolivian Amazon in the 20th century
Precursors to overnutrition
Moving beyond a Snapshot to Understand Changes in the Well-Being of Native Amazonians
Forces such as the opening of trade, globalization, multinational corporate resource extraction, urbanization, acculturation, and colonization catalyze economic, ecological, and sociocultural change, which can threaten the well-being and habitat of native Amazonians. Understanding these forces is of paramount importance to improve the well-being of native Amazonians and to foster the conservation of biological diversity, yet most analyses of thes…
The Tsimane’ Amazonian Panel Study (Taps)
Social rank and adult male nutritional status
Does village inequality in modern income harm the psyche? Anger, fear, sadness, and alcohol consumption in a pre-industrial society
Is there a divide between local medicinal knowledge and Western medicine? a case study among native Amazonians in Bolivia
BACKGROUND: Interest in ethnomedicine has grown in the last decades, with much research focusing on how local medicinal knowledge can contribute to Western medicine. Researchers have emphasized the divide between practices used by local medical practitioners and Western doctors. However, researchers have also suggested that merging concepts and practices from local medicinal knowledge and Western science have the potential to improve public healt…
On the Measure of Income and the Economic Unimportance of Social Capital
Economists equate economic self-sufficiency (autarky) with low income and stress the economic role of social capital as a form of self-insurance in poor rural areas of developing nations. In contrast, anthropologists speak of the "original affluence" of foragers and see social capital as serving economic and social roles. Economists do not work with highly autarkic peoples such as part- or full-time foragers, and cultural anthropologists have not…
The effects of local medicinal knowledge and hygiene on helminth infections in an Amazonian society
Ethnobotanical Skills and Clearance of Tropical Rain Forest for Agriculture
Indigenous peoples are often considered potential allies in the conservation of biological diversity. Here we assess whether ethnobotanical skills of indigenous people contribute to a reduction in the clearance of tropical rain forest. We measured ethnobotanical skills of male household heads and area of rain forest cleared for agriculture among 128 households of Tsimane', a native Amazonian group in Bolivia. We used multivariate regressions to e…
Why do mothers favor girls and fathers, boys
Nutritional status and spousal empowerment among native Amazonians
Individual Wealth Rank, Community Wealth Inequality, and Self-Reported Adult Poor Health
Growing evidence suggests that economic inequality in a community harms the health of a person. Using panel data from a small-scale, preindustrial rural society, we test whether individual wealth rank and village wealth inequality affects self-reported poor health in a foraging-farming native Amazonian society. A person's wealth rank was negatively but weakly associated with self-reported morbidity. Each step up/year in the village wealth hierarc…
Inequality in social rank and adult nutritional status
The origins of monetary income inequality
Ethnobotanical Knowledge and Crop Diversity in Swidden Fields
Health and disease
Research in bioarchaeology and among living people provides insight into the biological and biocultural consequences of subsistence, political, and economic transitions. Central to this effort is examining infectious disease, such as diarrheal disease, respiratory infections, and parasitic infections because they are an important source of nutritional and energetic stress in both past and current groups. Although infection may not always result i…
Does civilization cause discontentment among indigenous Amazonians? Test of empirical data from the Tsimane' of Bolivia
Cultural consonance and body morphology
Researchers have hypothesized that the degree to which an individual's actual behavior approximates the culturally valued lifestyle encoded in the dominant cultural model has consequences for physical and mental health. We contribute to this line of research by analyzing data from a longitudinal study composed of five annual surveys (2002–2006 inclusive) from 791 adults in one society of foragers–farmers in the Bolivian Amazon, the Tsimane'. We e…
The relation between forest clearance and household income among native Amazonians
The Esker Problem
Die Oberflachengestaltung Finnlands
Outlines of the Geography, Life and Customs of Newfoundland-Labrador (The Eastern Part of the Labrador Peninsula)
Hypothesis
Acceptance and Perceptions of NORPLANT Among Users in San Francisco, USA
Two hundred and five women participating in a five-year clinical trial of NORPLANT and NORPLANT-2 were interviewed about their contraceptive and reproductive history, sources of information and knowledge of NORPLANT, experiences using the method, and the impressions of friends and family about the method. The most common reasons for trying the implants were dissatisfaction with other methods and perceptions about NORPLANT's ease of use. Forty-one…
Do smiles have a face value? Panel evidence from Amazonian Indians
Physical growth and nutritional status of Tsimane' Amerindian children of lowland Bolivia
This study examines patterns of growth and nutritional status of indigenous Tsimane' children under 9 years of age (n = 199 boys and 210 girls), based on a cross‐sectional sample from 58 villages from the Beni Deparment of lowland Bolivia. Compared with US children, Tsimane' children are quite short, with linear growth tracking at or below the US 5th centile in both sexes. The prevalence of low height‐for‐age (“stunting;” HA Z‐scores ≤−2) is 52% …
Physical stature of adult Tsimane’ Amerindians, Bolivian Amazon in the 20th century
On the accuracy of perceived parental height in a native Amazonian society
Evaluating indices of traditional ecological knowledge
BACKGROUND: New quantitative methods to collect and analyze data have produced novel findings in ethnobiology. A common application of quantitative methods in ethnobiology is to assess the traditional ecological knowledge of individuals. Few studies have addressed reliability of indices of traditional ecological knowledge constructed with different quantitative methods. METHODS: We assessed the associations among eight indices of traditional ecol…
The origins of monetary income inequality
Why do mothers favor girls and fathers, boys
Does village inequality in modern income harm the psyche? Anger, fear, sadness, and alcohol consumption in a pre-industrial society
Nutritional status and spousal empowerment among native Amazonians
Concepts and Methods in Studies Measuring Individual Ethnobotanical Knowledge
We review 34 quantitative studies that have measured individual-level variations in ethnobotanical knowledge, analyzing how those studies have conceptualized and operationalized ethnobotanical knowledge. We found that this type of research is recent but growing, and is concentrated in indigenous peoples of developing countries. We also found that studies differ on how they conceptualize and measure individual ethnobotanical knowledge. As it is th…
Ethnobotanical knowledge is associated with indices of child health in the Bolivian Amazon
Culture is a critical determinant of human behavior and health, and the intergenerational transmission of knowledge regarding the use of available plant resources has historically been an essential function of culture. Local ethnobotanical knowledge is important for health and nutrition, particularly in rural low-resource settings, but cultural and economic transitions associated with globalization threaten such knowledge. This prospective study …
Enzyme immunoassay for total immunoglobulin E in dried blood spots
Elevated circulating levels of total immunoglobulin E (IgE) are associated with both allergic disease and repeated macro‐parasitic infections. Population‐based research on IgE has been limited by the logistical constraints associated with obtaining and processing venipuncture blood samples. In this short report, we present an enzyme immunoassay protocol for quantifying circulating total IgE levels in capillary whole blood, collected from a finger…
Schooling's contribution to social capital
Understanding why traditional cultures weaken matters because they embody humanity's heritage. Schooling has been singled out as an abrader of traditional culture. We assess whether schooling erodes one aspect of traditional culture: social capital as shown by generosity to people outside the household. In industrial nations researchers find positive associations between social capital and schooling. We hypothesize that in pre‐industrial societie…
Ethnobotanical Skills and Clearance of Tropical Rain Forest for Agriculture
Indigenous peoples are often considered potential allies in the conservation of biological diversity. Here we assess whether ethnobotanical skills of indigenous people contribute to a reduction in the clearance of tropical rain forest. We measured ethnobotanical skills of male household heads and area of rain forest cleared for agriculture among 128 households of Tsimane', a native Amazonian group in Bolivia. We used multivariate regressions to e…
On the Measure of Income and the Economic Unimportance of Social Capital
Economists equate economic self-sufficiency (autarky) with low income and stress the economic role of social capital as a form of self-insurance in poor rural areas of developing nations. In contrast, anthropologists speak of the "original affluence" of foragers and see social capital as serving economic and social roles. Economists do not work with highly autarkic peoples such as part- or full-time foragers, and cultural anthropologists have not…
Concepts and Methods in Studies Measuring Individual Ethnobotanical Knowledge
We review 34 quantitative studies that have measured individual-level variations in ethnobotanical knowledge, analyzing how those studies have conceptualized and operationalized ethnobotanical knowledge. We found that this type of research is recent but growing, and is concentrated in indigenous peoples of developing countries. We also found that studies differ on how they conceptualize and measure individual ethnobotanical knowledge. As it is th…
Do the aged and knowledgeable men enjoy more prestige? A test of predictions from the prestige-bias model of cultural transmission
Assortative mating and offspring well-being
Non-market Returns to Traditional Human Capital
In industrial economies schooling produces positive non-market returns but do traditional forms of human capital also produce such returns, and do schooling and traditional human capital act as complements or substitutes in their association with well-being? Drawing on data from 450 adults (16+ years of age) from an indigenous Amazonian society in Bolivia, we estimate the association between traditional plant knowledge and nutritional status as m…
The effect of rainfall during gestation and early childhood on adult height in a foraging and horticultural society of the Bolivian Amazon
Recent research documents the effects of adverse conditions during gestation and early childhood on growth responses and health throughout life. Most research linking adverse conditions in early life with adult health comes from industrial nations. We know little about the plasticity of growth responses to environmental perturbations early in life among foragers and horticulturalists. Using 2005 data from 211 women and 215 men 20+ years of age fr…
Demography (33 works) · Geography (31 works) · Sociology (30 works) · Medicine (29 works) · Biology (28 works) · Child Nutrition and Water Access (23 works) · Ecology (22 works) · Demography (19 works) · Psychology (19 works) · Economics (17 works)