Publications

Scalise Sugiyama M, Sugiyama LS. In revision. Humanized Topography: Storytelling as a Wayfinding Strategy. American Anthropologist. (pdf available upon request)

Blackwell AD, Gurven M, Sugiyama LS, Kaplan H, Madimenos FC, Snodgrass JJ. In revision. Evidence for a peak shift in humoral response to helminthes: Age profiles of Immunoglobin E (IgE) Levels in the Shuar of Eastern Ecuador, the Tsimane of Bolivia, and the U.S. NHANES. Plos One, Neglected Tropical Diseases. (pdf available upon request)

Madimenos FC, Snodgrass JJ, Liebert MA, Blackwell AD, Sugiyama LS. Accepted. Normative Calcaneal Quantitative Ultrasound Data for the Indigenous Shuar and non-Shuar Colonos of the Ecuadorian Amazon. Archives of Osteoporosis. (pdf available upon request)

Madimenos FC, Snodgrass JJ, Liebert MA, Blackwell AD, Sugiyama LS. 2011. Use of Accelerometry to Measure Physical Activity in an Ecuadorian Shuar Community. American Journal of Human Biology.

Scalise Sugiyama M, Sugiyama LS. 2011. "Once a child is lost, he dies" Monster stories vis-a-vis the problem of errant children. In, Creating Consilience. Eds. Slingerland E & Collard M. Oxford University Press.

Blackwell AD, Snodgrass JJ, Madimenos FC, 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(6): 836-848.

Scalise Sugiyama M, Sugiyama LS. 2009. A Frugal (Re)past: Use of oral tradition to buffer foraging risk. Studies in the Literary Imagination. 42(2): 1-29.

Blackwell AD, Pryor G, Pozo J, Tiwi W, 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(2):161-171.


Sugiyama LS. 2005. Physical Attractiveness in Adaptationist Perspective. In: Buss DM. (Ed). Evolutionary Psychology Handbook. New York: Wiley. Pp. 292-343.


Sugiyama LS, Chacon R. 2005. Juvenile responses to household ecology among the Yora of Peruvian Amazonia. In: Hewlett B, Lamb M. (Eds). Hunter-Gatherer Childhoods: Evolutionary, Developmental, and Cultural Perspectives. NY: Transaction. Pp. 237-261.

Sugiyama LS. 2004. Is beauty in the context-sensitive adaptations of the beholder: Shiwiar use of waist-to-hip ratio in assessments of female mate value? Evolution and Human Behavior, 25(1) 52-63.

Sugiyama LS. 2004. Patterns of Shiwiar health insults indicate that provisioning during health crises reduces juvenile mortality. In: Alvard M. Socioeconomic Aspects of Human Behavioral Ecology: Research in Economic Anthropology, Vol 23. Elsevier. Pp. 377-400.

Sugiyama LS. 2004. Illness, Injury, and Disability among Shiwiar Forager-Horticulturalists: Implications of Health-Risk Buffering for the Evolution of Human Life History. American Journal of Physical Anthropology 123:371-389.

Sugiyama LS, Tooby J, Cosmides L. 2003. Cross-cultural evidence of cognitive adaptations for social exchange among the Shiwiar of Ecuadorian Amazonia. Reprinted in: Kenrick DT, Luce CL, editors. The functional mind: Readings in evolutionary psychology. USA: Allen & Bacon pp. 97-109.

Sugiyama LS, Sugiyama MS. 2003. Social roles, prestige and health risk: Social niche specialization as a risk buffering strategy. Human Nature, 14(2) 165-190.

Sugiyama LS, Tooby J, Cosmides L. 2002. Cross-cultural Evidence of Cognitive Adaptations for Social Exchange among the Shiwiar of Ecuadorian Amazonia. Proceedings of the National Academy of Sciences99(17) 11537-11545.

Sugiyama LS, Chacon R. 2000. Effects of illness and injury on foraging among the Yora and Shiwiar: Pathology risk as adaptive problem. In: Cronk L, Chagnon NA, Irons W, editors. Human behavior and adaptation: An anthropological perspective.New York: Aldine. p 371-395.

Walker PL, Sugiyama LS, Chacon R. 1998. Diet, dental health and cultural change among recently contacted South American hunter-horticulturalists. In Lukacs J, Hemphill BE, editors. Human dental development, morphology and pathology: Essays in honor of Albert Dahlberg. Eugene Oregon: University of Oregon Anthropological Papers. pp. 355-386.


Recent Published Abstracts

Blackwell AD,  Gurven M, Sugiyama LS, Madimenos FC, Liebert MA, Martin M, Kaplan H, Snodgrass JJ. 2011. Can higher pathogen prevalence lead to better growth? Epidemiological patterns in growth and immunoglobulin E in two Amazonian populations. American Journal of Human Biology. 23:252

Cepon TJ, Liebert MA, Madimenos FC, Sugiyama LS, Blackwell AD, Leonard WR, Tarskaia LA, Klimova TM, Krivoshapkin VG, Snodgrass JJ. 2011. Variation in cardiovascular disease risk in response to market integration in two transitioning populations. American Journal of Physical Anthropology.

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, Sugiyama LS. 2011. The Shuar Health and Life History Project: immunoglobulin E, C-reactive protein, and cardiovascular and metabolic health among the indigenous Shuar of Ecuador. American Journal of Human Biology. 23: 264.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, Sugiyama LS. 2011. Reproductive trade-offs and bone health among Shuar and Colonos females
from Amazonian Ecuador. American Journal of Human Biology. 23: 264.

Ridgeway-Diaz JG, Shattuck-Faegre H, Blackwell AD, Madimenos FC, Liebert MA, Squires EC, Sugiyama LS, Snodgrass JJ. 2011. The Shuar health and life history project: Epstein-Barr virus and market integration in the indigenous Shuar of Ecuadorian Amazonia. American Journal of Human Biology. 23: 274.

Rueckert TJ, Snodgrass JJ, Liebert MA, Madimenos FC, Blackwell AD, Sugiyama LS. 2011. The Shuar health and life history project: effects of market integration and diet on hemoglobin in two lowland Ecuadorian populations. American Journal of Human Biology. 23: 275.

Shattuck-Faegre H, Ridgeway-Diaz JG, Blackwell AD, Madimenos FC, Liebert MA, Squires EC, Sugiyama LS, Snodgrass JJ. 2011. The Shuar Health and Life History Project: immune pathways and Epstein-Barr virus. American Journal of Human Biology. 23: 275.

Blackwell AD, Tiwi W, Sugiyama LS. 2010. Use of a pooled resource model to assess the effects of Shuar family members on juvenile growth across ecological contexts. American Journal of Human Biology 22(2): 247-248.

Blackwell AD, Snodgrass JJ, Gurven M, Kaplan H, Madimenos FC, Sugiyama LS. 2010. Exposure to parasites and development of immune response? Age profile of immunoglobulin E (IgE) in the Shuar of Eastern Ecuador, the Tsimane of Bolivia, and the U.S. NHANES. American Journal of Physical Anthropology 141 (S50):

Liebert MA, Snodgrass JJ, Blackwell AD, Madimenos FC, Sugiyama LS. 2010. The implications of varying degrees of market integration on blood pressure, glucose, cholesterol, and triglyceride levels in an indigenous lowland Ecuadorian population. American Journal of Human Biology 22(2):260.

Madimenos FC, Liebert MA, Snodgrass JJ, Blackwell AD, Sugiyama LS. 2010. A profile of bone health in an Ecuadorian forager-horticulturalist population. American Journal of Physical Anthropology 141 (S50):

Madimenos FC, Cepon TJ, Snodgrass JJ, Sugiyama LS. 2010. Corroborating accelerometry-based physical activity data with self-report data. American Journal of Human Biology 22(2):261.

Morris DM, Frost SR, Pastor R, Snodgrass JJ, Sugiyama LS, White FJ. 2010. Sexual dimorphism in growth of human manual digital proportions. American Journal of Physical Anthropology 141 (S50):

Sugiyama LS, Snodgrass JJ,  FC Madimenos Blackwell AD, Liebert MA. 2010. Effects of diet, household economy and social stress on growth and health of indigenous Shuar of Ecuadorian Amazonia. American Journal of Human Biology 22(2):2.

Blackwell AD, Snodgrass JJ, Madimenos FC, Cepon TJ, Gandolfo TR, Liebert MA, Sugiyama LS. 2009. Trade-offs in immune function and growth in a rural Amazonian village. American Journal of Human Biology 21(2):247.

Gandolfo TR, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, Sugiyama LS. 2009. Shuar sleep patterns: a preliminary study of sleep duration and quality in an Indigenous Amazonian society. American Journal of Human Biology 21(2):254.

Madimenos FC, Snodgrass JJ, Blackwell AD, Cepon TJ, Gandolfo TR, Sugiyama LS. 2009. Physical activity measured using accelerometry in an indigenous lowland Ecuadorian population. American Journal of Human Biology 20(2):260.

Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ, Gandolfo TR, Sugiyama LS. 2009. Growth and nutritional status in an indigenous lowland Ecuadorian population. American Journal of Physical Anthropology 138(S48):243.


Recent Presentations


Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, Sugiyama LS. 2011. Effects of femaile reproductive history on bone health among Shuar and non-Shuar Colonos from Ecuadorian Amazonia. The Society for Applied Anthropology.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, Sugiyama LS. 2010. Life history tradeoffs between bone health and female reproductive history among indigenous Shuar and Colonos from Colonos from Ecuadorian Amazonia. 11th Congreso de la Asociacion Lininoamericana de Antropologia Biologica. Universidad Nacional de Columbia, Bogota, Oct. 23.

Sugiyama LS, Snodgrass JJ,  FC Madimenos Blackwell AD, Liebert MA. 2010. Effects of diet and household ecology on growth and health of Indigenous Shuar of Ecuadorian Amazonia. 11th Congreso de la Asociacion Lininoamericana de Antropologia Biologica. Universidad Nacional de Columbia, Bogota, Oct. 23.

Blackwell AD,  Snodgrass JJ, Madimenos FC, Liebert MA, Sugiyama LS, 2010. Parasite transmission, resource competition, and life history allocations: The effects of family composition on the growth and immune function of Shuar Children. 22nd Annual Human Behavior and Evolution Meetings. University of Oregon, June 18.

Liebert MA, Snodgrass JJ, Blackwell AD,  Madimenos FC,  Sugiyama LS, 2010. Market integration, evolutionary mismatches, and the emergence of hypertension, high cholesterol, and type II diabetes among indigenous Shuar of neo-tropical Ecuador. 22nd Annual Human Behavior and Evolution Meetings. University of Oregon, June 18.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, Sugiyama LS. 2010. Female reproductive history and bone health among Shuar and Colonos from the Ecuadorian Amazon: A life history theory perspective. 22nd Annual Human Behavior and Evolution Meetings. University of Oregon, June 18.

Madimenos FC, Snodgrass JJ, Blackwell AD, Liebert MA, Sugiyama LS. 2010. Reproductive status and energy dynamics in an indigenous Ecuadorian forager-horticulturalist population. 22nd Annual Human Behavior and Evolution Meetings. University of Oregon, June 17.

Morris DM, Frost SR, Pastor R, Snodgrass JJ, Sugiyama LS, White FS. 2010. Sexual dimorphism in growth of human manual digit proportions.  22nd Annual Human Behavior and Evolution Meetings. University of Oregon, June 17.

Rueckert TJ, Snodgrass JJ, Madimenos FC,  Blackwell AD, Liebert MA, Sugiyama LS. 2010. Effects of household ecology and market integration on Shuar nutritional status nad hemoglobin (Hb) in an indigenous lowland Ecuadorian population. 22nd Annual Human Behavior and Evolution Meetings. University of Oregon, June 17.

Liebert MA, Snodgrass JJ, Blackwell AD,  Madimenos FC,  Sugiyama LS, 2010. Effects of market integration on blood pressure, glucose, cholesterol and triglyceride levels in an Indigenous lowland Ecuadorian population. 91st Annual Meetings of the AAAS, Pacific Division. Southern Oregon University. June 14.

Madimenos FC, Snodgrass JJ, Liebert MA, Blackwell AD, Sugiyama LS. 2010. Physical activity levels in an Ecuadorian forager-horticulturalist population. 91st Annual Meetings of the AAAS, Pacific Division. Southern Oregon University. June 14.

Sugiyama LS, Snodgrass JJ,  Blackwell AD, Cepon TJ, Gandolfo T, Liebert MA, Madimenos FC, Ridgeway-Diaz J, Ruekert T. 2010. The Shuar Life History Project. International Poster Session, University of Oregon International Studies. Jan.

Ridgeway JR, Snodgrass JJ, Madimenos FC,  Liebert MA, Blackwell AD, Sugiyama LS. 2010. Environment and health of Indigenous Shuar of Amazonian Ecuador. 91st Annual Meetings of the AAAS, Pacific Division. Southern Oregon University. June 14.

Blackwell, AD, Snodgrass, JJ, Madimenos, FC, Cepon, TJ,Gandolfo, TR, Sugiyama LS. 2009. Are quantity-quality tradeoffs reflected in the immune function of human children? Human Behavior and Evolution Society, Fullerton, CA, May 28.

Blackwell, AD, Snodgrass, JJ, Madimenos, FC, Cepon, TJ,Gandolfo, TR, Sugiyama LS. 2009. An analysis of the relationship between chronic stress, inflammation, and growth outcomes in Ecuadorian Shuar children. Northwest Anthropological Conference, Newport, OR, April 10.

Sugiyama MS, Sugiyama LS. 2009. What can children’s narratives tell us about theory of mind? Human Behavior and Evolution Meetings Fullerton, CA, May 28.

Sugiyama LS
, Snodgrass JJ, Blackwell AD, Madimenos FC, Cepon TJ. 2009, T.R. Gandolfo, M.A. Liebert. Effects of market integration and family composition on growth, nutritional status, and anemia and in an indigenous lowland Ecuadorian population. Human Behavior and Evolution Meetings Fullerton, CA, May 28.

Blackwell AD, Sugiyama LS. 2008. The influence of body shape on perceptions of age, sex, social status, health, and attractiveness: a morphometrics analysis of an ecologically valid range of stimuli Human Behavior and Evolution Meetings Kyoto, Japan.

Scalise Sugiyama M, Sugiyama LS. 2008. How do we get from here to there? Anthropomorphized topography, spatial cognition, and verbal information processing Human Behavior and Evolution Meetings Kyoto, Japan.

Sugiyama LS
, Blackwell A. 2008. Life history, body morphology and health in a natural fertility population: implications for attractiveness assessment psychology. Human Behavior and Evolution Meetings Kyoto, Japan.

Sugiyama LS
, Blackwell AD, Pryor G III, Pozo J, Tiwi, W. 2007. Life history tradeoffs and the health of Shuar juveniles of Morona Santiago, Ecuador Human Behavior and Evolution Meetings Williamsburg, VA.

Blackwell AD, Sugiyama LS. 2007. Is human self sacrifice adaptive? A mathematical examination of cultural, ecological, and demographic variables contributing to suicidal selfsacrifice in humans. Human Behavior and Evolution Meetings Williamsburg, VA.

Garrett EL, Blackwell AD, Sugiyama LS. 2007. A preliminary test of the relative contributions of WHR and BMI assessment psychology to male perceptions of female attractiveness. Human Behavior and Evolution Meetings Williamsburg, VA.

McClelland ME, Blackwell AD, Sugiyama LS. 2007.Women’s preferences for male body types in long term and short term mating contextsHuman Behavior and Evolution Meetings. Williamsburg, VA.

Scalise Sugiyama M, Sugiyama LS. 2007. State of the arts: Missing links in evolutionary explanations of art behavior. Human Behavior and Evolution Meetings Williamsburg, VA.

Sugiyama LS
, Scalise Sugiyama M, Blackwell AD, Barrett HC. 2007. Social niche cultivation among the Shiwiar of Ecuador. Human Behavior and Evolution Meetings Williamsburg, VA.


Papers In Preparation


Blackwell AD, Snodgrass JJ, Madimenos, FC, Liebert, M, Sugiyama LS. Are Quantity-Quality Tradeoffs Reflected in the Immune Function of Human Children?

Blackwell A, Sugiyama LS. Physical Attractiveness in an Ecologically Relevant Sample: WHR and body fat both contribute to male assessments of female attractiveness.

Blackwell A, Sugiyama LS. When is self-sacrivice adaptive? In, War in Evolutionary Perspective. Sugiyama LS, Scalise Sugiyama M, White F, Kennett D, Arrow H (eds).

Blackwell A, Tiwi W, Sugiyama LS. Use of a pooled resource model to assess the differential effects of Shuar family members on growth across ecological circumstances: Implications for cooperative breeding models and the study of quantity-quality trade-offs in humans.

Madimenos FC, Snodgrass JJ, Liebert MA, Blackwell AD, Sugiyama LS. Life history tradeoffs between reproduction and bone health among Indigenous Shuar and Colonos of Ecuadorian Amazon.

Liebert M, Madimenos FC, Blackwell A, Snodgrass JJ, Sugiyama LS. Effects of market integration on lipid and glucose levels among Shuar.

Scalise Sugiyama M, Sugiyama LS. State of the arts: missing links in evolutionary explanations of art behavior.

Sugiyama LS, Blackwell AD. Dangerous Curves: Body shape, attractiveness, and the use of evolutionarily valid range of stimuli.

Sugiyama LS, Blackwell A. Life history, body morphology and health in a natural fertility population: Implications for sexual attractiveness assessment psychology.

Sugiyama LS, Blackwell AD, Snodgrass JJ, Madimenos, FC, Liebert, M. Diet, helminths, inflamation and hemoglobin levels amongs Indigenous Shuar of the Ecuadorian Amazon. 

Sugiyama LS. Why do(n’t) the Shiwiar cooperatively forage?

Sugiyama LS, Chacon R. Life-history tradeoffs and Yora time allocation

Sugiyama LS, Chacon R. Shiwiar foraging success across the lifespan: Implications for the evolution of human life history.

Sugiyama LS, Guatelli-Steinberg D, Burns KL, Rohwer S. 2d/4d ratio, developmental stability, and individual differences in female mating strategy.

Book Projects


Sugiyama LS
, Scalise Sugiyama M, White F, Kennet DK, Arrow H. Eds.   Evolution of War.

Sugiyama LS   Adaptations for attractiveness: Beauty as an index of social value.

Sugiyama LS, Barrett HC. Eds. The adapted mind in cultural context: Evolutionary psychology and behavioral ecology among the Shiwiar, Shuar, and Achuar.

Sugiyama LS.  In sickness and in health: Injury, illness, and the evolution of human social behavior.

Scalise Sugiyama M, Sugiyama LS. In revision. Humanized Topography: Storytelling as a wayfinding strategy. American Anthropologist.