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DTSTART;TZID=America/Los_Angeles:20180507T000000
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DTSTAMP:20260509T004959
CREATED:20200922T220851Z
LAST-MODIFIED:20201013T005116Z
UID:4387-1525651200-1525651200@bec.ucla.edu
SUMMARY:Cristina Moya - The Evolution and Ontogeny of Ethno-Linguistic Reasoning
DESCRIPTION:Cristina Moya: University of California\, DavisWhile many social species are group living\, linguistically or symbolically marked social groups\, characterized by large repertoires of shared cultural norms and behaviours\, are uniquely human. However\, the evolutionary relevance and psychological underpinnings of such ethnic groups remains debated. In this talk\, I will examine the possibility that the way humans learn about ethno-linguistic boundaries reveal the structure of adaptations for reasoning about these. I report on psychological and ethnographic research from the Quechua-Aymara border in the Peruvian altiplano\, and cross-cultural comparative work that speak to these questions. Results reveal 1) the importance of distinguishing between functionally independent intergroup phenomena such as stereotyping and cooperation\, 2) that children are prone to develop believe that linguistic boundaries are important and fixed\, and 3) that cultural evolutionary processes are likely more important than genetically evolved biases in determining the form of ethnic boundaries. Further implications for models of human social evolution will be discussed.
URL:https://bec.ucla.edu/event/cristina-moya-the-evolution-and-ontogeny-of-ethno-linguistic-reasoning/
CATEGORIES:2018,Past Presentation,Presentation
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DTSTART;TZID=America/Los_Angeles:20180514T000000
DTEND;TZID=America/Los_Angeles:20180514T000000
DTSTAMP:20260509T004959
CREATED:20200922T220852Z
LAST-MODIFIED:20201013T005116Z
UID:4388-1526256000-1526256000@bec.ucla.edu
SUMMARY:Amy Non - Stress\, Resilience\, and Embodiment of Cardiometabolic Risk in Children of Hispanic Immigrants
DESCRIPTION:Amy Non: University of California\, San DiegoHispanic immigrants represent the largest and fastest growing ethnic minority in the US. Thus\, an important research focus for the future health of the US is to determine factors that influence the declining health of immigrants with more time lived in the US\, and across generations. Much research has focused on the adoption of poorer health behaviors with acculturation\, but less attention has focused on the role of psychosocial stress\, or resilience factors\, experienced by immigrant mothers or their children. Through focus groups and extensive structured interviews with Hispanic immigrant mothers and their children (aged 6-13) in Nashville\, TN\, we examined a range of psychosocial stress exposures\, such as work-family tradeoff and limited freedom/mobility\, and resilience factors\, such as optimism and social support. I will also discuss results of ongoing quantitative analyses exploring hormonal and epigenetic mechanisms through which these stressors may become biologically embedded to predispose children of Hispanic descent to higher risk for cardiometabolic diseases.
URL:https://bec.ucla.edu/event/amy-non-stress-resilience-and-embodiment-of-cardiometabolic-risk-in-children-of-hispanic-immigrants/
CATEGORIES:2018,Past Presentation,Presentation
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20180521T000000
DTEND;TZID=America/Los_Angeles:20180521T000000
DTSTAMP:20260509T004959
CREATED:20200922T220852Z
LAST-MODIFIED:20201013T005116Z
UID:4389-1526860800-1526860800@bec.ucla.edu
SUMMARY:P.J. Lamberson - Exploration versus Exploitation in Collective Problem Solving
DESCRIPTION:P.J. Lamberson: University of California\, Los AngelesThe challenge of balancing between exploiting existing solutions and exploring for new ones spans problem domains from animals foraging for food to businesses searching for new revenue streams. In this talk I will discuss a simple version of this tradeoff: When tackling a complex problem\, is it better for problem solvers to work in-sequence\, where each problem solver exploits the progress of those that have come before them\, or in-parallel where each individual explores for new solutions independently? Using a novel mathematical model of collective problem solving we prove that for a class of especially difficult problems that we call unstructured\, problem solving in-parallel performs better in expectation. We then use computational simulations to examine how violating the unstructured assumption can lead in-sequence problem solving to be superior. This is joint work with ULCA postdoctoral fellow John Lang.
URL:https://bec.ucla.edu/event/p-j-lamberson-exploration-versus-exploitation-in-collective-problem-solving/
CATEGORIES:2018,Past Presentation,Presentation
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