Journal Articles

 

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2024

Liebert MA, Urlacher SS, Madimenos FC, Gildner TE, Cepon-Robins TJ, Harrington CJ, Bribiescas RG, Sugiyama LS, Snodgrass JJ. Variation in diurnal cortisol patterns among the Indigenous Shuar of Amazonian Ecuador. Am J Hum Biol. e24056; https://doi.org/10.1002/ajhb.24056. Link to Article

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2021

Barrett TM, Liebert MA, Eick GN, Ridgeway-Diaz JG, Madimenos FC, Blackwell AD, Urlacher SS, Sugiyama LS, Snodgrass JJ. Age-related patterns of cytomegalovirus antibodies accompanying Epstein-Barr virus co-infection. Am J Hum Biol. e23713; https://doi.org/10.1002/ajhb.23713. Link to Article

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DeLouize AM, Liebert MA, Madimenos FC, Urlacher SS, Schrock JM, Cepon-Robins TJ, Gildner TE, 
Blackwell AD, Harrington CJ, Amir D, Snodgrass JJ, Sugiyama LS. Low prevalence of anemia among the Indigenous Shuar of Amazonian Ecuador. Am J Hum Biol. DOI:10.1002/ajhb.23590. Link to PDF

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Cepon-Robins TJ, Blackwell AD, Gildner TE, Liebert MA, Urlacher SS, Madimenos FC, Eick GN, Snodgrass JJ, and Sugiyama LS. Pathogen disgust sensitivity protects against infection in a high pathogen environment. PNAS 118 (8) e2018552118. Link to Abstract

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Urlacher SS, Snodgrass JJ, Dugas LR, Madimenos FC, Sugiyama LS, Liebert MA, Joyce CJ, Terán E, and Pontzer H. Childhood daily energy expenditure does not decrease with market integration and is not related to adiposity in Amazonia. J Nutr. https://doi.org/10.1093/jn/nxaa361. Link to Abstract

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2020

Gildner TE, Cepon-Robins TJ, Liebert MA, Urlacher SS, Schrock JM, Harrington CJ, Madimenos FC, Snodgrass JJ, and Sugiyama LS. Market integration and soil-transmitted helminth infection patterns among Indigenous Shuar of Amazonian Ecuador. PLOS One 15(7):e0236924. doi: 10.1371/journal.pone.0236924. Link to Article

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Madimenos FC, Liebert MA, Cepon-Robins TJ, Urlacher SS, Snodgrass JJ, Sugiyama LS, and Stieglitz J. 2020. Disparities in bone density across contemporary Amazonian forager-horticulturalists: Cross-population comparison of the Tsimane and Shuar. American Journal of Physical Anthropology. Link to Article*

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2019

Urlacher SS, Snodgrass JJ, Dugas LR, Sugiyama LS, Liebert MA, Joyce CJ, and Pontzer H. 2019. Constraint and trade-offs regulate energy expenditure during childhood. Science Advances. Link to Article

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Amir D, Jordan MR, McAuliffe KM, Valeggia CR, Sugiyama LS, Bribiescas RG, Snodgrass JJ, and Dunham Y. 2019. The developmental origins of risk and time preferences across diverse societies. Journal of Experimental Psychology: General. Link to Article

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Amir D, Valeggia C, Srinivasan M, Sugiyama LS, and Dunham Y. 2019. Measuring subjective social status in children of diverse societies. PLoS ONE 14: e0226550. Link to Article

 

Cepon-Robins TJ, Gildner TE, Schrock JM, Eick G, Bedbury A, Liebert MA, Urlacher SS, Madimenos FC, Harrington CJ, Amir D, Bribiescas RG, Sugiyama LS, and Snodgrass JJ. 2019. Soil-transmitted helminth infection and intestinal inflammation among the Shuar of Amazonian Ecuador. American Journal of Physical Anthropology. Link to Article

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Christopher L, Madimenos FC, Bribiescas R, Urlacher SS, Snodgrass JJ, Sugiyama LS, and Pontzer H. 2019. High energy requirements and water throughput of adult Shuar forager-horticulturalists of Amazonian Ecuador. American Journal of Human Biology. Link to Article*

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2018

Urlacher SS, Ellison PT, Sugiyama LS, Pontzer H, Eick G, Liebert MA, Cepon-Robins T, Gildner TE, and Snodgrass JJ. 2018. Tradeoffs between immune function and childhood growth among Amazonian forager-horticulturalists. Proceedings of the National Academy of Sciences. Link to Article

 

Stagaman K, Cepon-Robins TJ, Liebert MA, Gildner TE, Urlacher SS, Madimenos FC, Guillemin K, Snodgrass JJ, Sugiyama LS, and Bohannan BJM. 2018. Market integration predicts human gut microbiome attributes across a gradient of economic development. mSystems. Link to Article*

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Sznycer D, Xygalatas D, Agey E, Alami S … and Tooby J. 2018. Cross-cultural invariances in the architecture of shame. Proceedings of the National Academy of Sciences. Link to Article*

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2016

Urlacher SS, Blackwell AD, Liebert MA, Madimenos FC, Cepon-Robins TJ, Gildner TE, Snodgrass JJ, and Sugiyama LS. 2016. Physical growth of the Shuar: Height, weight, and BMI growth references for an indigenous Amazonian population. American Journal of Human Biology 28: 16-30. Link to Article

 

Gildner TE, Cepon-Robins TJ, Liebert MA, Urlacher SS, Snodgrass JJ, Madimenos FC, and Sugiyama LS. 2016. Regional variation in helminth infection by age cohort and sex: Health effects of market integration among the indigenous Shuar of Amazonian Ecuador. Journal of Physiological Anthropology 35: 28. Link to Article

 

Urlacher SS, Liebert MA, Snodgrass JJ, Blackwell AD, Cepon-Robins TJ, Gildner TE, Madimenos FC, Amir D, Bribiescas RG, and Sugiyama LS. 2016. Heterogeneous effects of market integration on subadult growth and nutritional status among the Amazonian Shuar. Annals of Human Biology 43: 316-329. Link to Article

 

Urlacher SS, Snodgrass JJ, Liebert MA, Cepon-Robins TJ, Gildner TE, and Sugiyama LS. 2016. The application of knemometry to measure childhood short-term growth among the indigenous Shuar of Ecuador. American Journal of Physical Anthropology 160: 353-357. Link to Article

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Blackwell AD, Trumble BC, Suarez IM, Stieglitz J, Beheim B, Snodgrass JJ, Kaplan H, and Gurven M. 2016. Immune function in Amazonian horticulturalists. Annals of Human Biology 43: 382-396. Link to Article

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2015

Madimenos FC, Liebert MA, Cepon-Robins TJ, Snodgrass JJ, and Sugiyama LS. 2015. Determining osteoporosis risk in older Colono adults from rural Amazonian Ecuador using calcaneal ultrasonometry. American Journal of Human Biology 27: 139-142. Link to Article

 

2014

Cepon TJ, Liebert MA, Gildner TE, Urlacher SS, Colehour AM, Snodgrass JJ, Madimenos FC, and Sugiyama LS. 2014. Soil-transmitted helminth prevalence and infection intensity among geographically and economically distinct Shuar communities in the Ecuadorian Amazon. Journal of Parasitology 100: 598-607. Link to Article

 

Scott IM, Clark AP, Josephson SC, Boyette A, Cuthill I, Fried R, Gibson M, Hewlett B, Jamieson M, Jankowiak W, Honey PL, Huang Z, Liebert MA, Purzycki BG, Shaver J, Snodgrass JJ, Sosis R, Sugiyama LS, Swami V, Yu DW, Zhao Y, and Penton-Voak IS. 2014. Human preferences for sexually dimorphic faces may be evolutionarily novel. Proceedings of the National Academy of Sciences 111: 14388-14393. Link to Article*

 

Colehour AM, Meadow JF, Liebert MA, Cepon-Robins TJ, Gildner TE, Urlacher SS, Bohannan BJM, Snodgrass JJ, and Sugiyama LS. 2014. Local domestication of lactic acid bacteria via cassava beer fermentation. PeerJ 2:e479. Link to Article

 

2013

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, and Sugiyama LS. 2013. Implications of market integration for cardiovascular and metabolic health among an indigenous Amazonian Ecuadorian population. Annals of Human Biology 20: 228-242. (Note: This article won the 2014 Nick Norgan Award for the best paper published in Annals of Human Biology during 2013) Link to Article

 

Walker RS, Beckerman S, Flinn MV, Gurven M, von Rueden CR, Kramer KL, Greaves RD, Cordoba L, Villar Diego, Hagen EH, Koster JM, Sugiyama LS, Hunter TE, and Hill KR.  2013. Living with kin in lowland horticultural societies. Current Anthropology 54: 96-103. Link to Article*

 

2012

Madimenos FC, Snodgrass JJ, Liebert MA, Cepon TJ, and Sugiyama LS. 2012. Reproductive effects on skeletal health in Shuar women of Amazonian Ecuador: A life history perspective. American Journal of Human Biology 24: 841-852. Link to Article

 

McDade TW, Tallman PS, Madimenos FC, Liebert MA, Cepon TJ, Sugiyama LS, and Snodgrass JJ. 2012. Analysis of variability of high sensitivity C-reactive protein in lowland Ecuador reveals no evidence of chronic low-grade inflammation. American Journal of Human Biology 24: 675-681. Link to Article*

 

2011

Madimenos FC, Snodgrass JJ, Blackwell AB, Liebert MA, and Sugiyama LS. 2011. Physical activity in an indigenous Ecuadorian forager-horticulturalist population as measured using accelerometry. American Journal of Human Biology 23: 488-497. Link to Article

 

Madimenos FC, Snodgrass JJ, Blackwell AB, Liebert MA, Cepon TJ, and Sugiyama LS. 2011. Normative calcaneal quantitative ultrasound data for the indigenous Shuar and non-Shuar Colonos of the Ecuadorian Amazon. Archives of Osteoporosis 6: 39-49. Link to Article

 

Blackwell AD, Gurven MD, Sugiyama LS, Madimenos FC, Liebert MA, Martin MA, Kaplan HS, and Snodgrass JJ. 2011. Evidence for a peak shift in a humoral response to helminths: Age profiles of IgE in the Shuar of Ecuador, the Tsimane of Bolivia, and the U.S. NHANES. PLoS Neglected Tropical Diseases 5: e1218. Link to Article

 

2010

Blackwell, AD, Snodgrass, JJ., Madimenos, FC. and Sugiyama, LS. 2010. Life history, immune function, and intestinal helminths: Trade-offs among immunoglobulin E, C-reactive protein, and growth in an Amazonian population. American Journal of Human Biology 22: 836-848. Link to Article

 

2009

Blackwell AD, Pryor III G, Pozo J, Tiwia W, and Sugiyama LS. 2009. Growth and market integration in Amazonia: A comparison of growth indicators between Shuar, Shiwiar, and nonindigenous school children. American Journal of Human Biology 21: 161-171. Link to Article