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X-WR-CALDESC:Events for Center for Behavior, Evolution, and Culture
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DTSTART;TZID=America/Los_Angeles:20170109T000000
DTEND;TZID=America/Los_Angeles:20170109T000000
DTSTAMP:20260510T162232
CREATED:20200922T220715Z
LAST-MODIFIED:20201013T005122Z
UID:4349-1483920000-1483920000@bec.ucla.edu
SUMMARY:Patty Gowaty - Standing on Darwin’s Shoulders: Sexual Selection and Bateman’s Principles
DESCRIPTION:Patty Gowaty:
URL:https://bec.ucla.edu/event/patty-gowaty-standing-on-darwins-shoulders-sexual-selection-and-batemans-principles/
CATEGORIES:2017,Past Presentation,Presentation
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170116T000000
DTEND;TZID=America/Los_Angeles:20170116T000000
DTSTAMP:20260510T162232
CREATED:20200922T220716Z
LAST-MODIFIED:20201013T005122Z
UID:4350-1484524800-1484524800@bec.ucla.edu
SUMMARY:Catherine Salmon - Evolutionary Perspectives on Anorexic Behavior: Ancestral Mechanisms in the Modern World UCLABEC
DESCRIPTION:Catherine Salmon: University of RedlandsA compelling puzzle of our modern world is the disturbing obsession of some women with body image and dieting. Why do so many women in North America place such an emphasis on being thin? Why do these desires lead to eating disorders in only some women? It is commonly assumed that the desire for a thin female physique and its pathological expression in eating disorders result from a social pressure for thinness. In recent years\, anorexia nervosa and bulimia have become the most attention grabbing eating disorders with a multitude of studies being published from a variety of perspectives. With all this attention\, one would think that we would have a concrete understanding of the causes of eating disorders and yet there have been a plethora of theories that have been proposed in the literature. In my talk\, I will review several adaptationist approaches to the study of dieting behavior\, focusing on my work with colleagues on the link between reproductive suppression\, dieting\, parental and social pressures\, and life history strategy.
URL:https://bec.ucla.edu/event/catherine-salmon-evolutionary-perspectives-on-anorexic-behavior-ancestral-mechanisms-in-the-modern-world-uclabec/
CATEGORIES:2017,Past Presentation,Presentation
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170130T000000
DTEND;TZID=America/Los_Angeles:20170130T000000
DTSTAMP:20260510T162232
CREATED:20200922T220716Z
LAST-MODIFIED:20201013T005122Z
UID:4351-1485734400-1485734400@bec.ucla.edu
SUMMARY:Eric Schniter - The Long Life of Skill Development among Tsimane Forager Horticulturalists
DESCRIPTION:Eric Schniter: UC Santa BarbaraCollaborative research from the Tsimane Health and Life History Project has investigated whether age profiles of Tsimane skill development are consistent with life history theory predictions about the timing of productivity and reproduction. Life history models suggest that the especially long human lifespan co-evolved with large brains in a foraging niche where survival depends on complex skills requiring a great deal of learning and accumulated experience. We examined a range of essential Tsimane skills including childcare\, food and craft production\, music performance\, and storytelling. Our results show that: (1) most essential skills are acquired prior to first reproduction\, then developed further so that their productive returns meet the increasing demands of dependent offspring during adulthood; (2) as post-reproductive adults age beyond years of peak performance\, they report developing additional conceptual and procedural proficiency\, and\, despite greater frailty\, are consensually regarded as the most expert (especially in music and storytelling)\, consistent with their roles as providers and educators. We find that adults have accurate understandings of their skillsets and skill levels –an important awareness for social exchange\, comparison\, learning\, and pedagogy. These findings extend our understanding of the evolved human life history by illustrating how changes in embodied capital and the needs of dependent offspring predict the development of complementary skills and services in a forager-horticulturalist economy.
URL:https://bec.ucla.edu/event/eric-schniter-the-long-life-of-skill-development-among-tsimane-forager-horticulturalists/
CATEGORIES:2017,Past Presentation,Presentation
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