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X-WR-CALDESC:Events for Center for Behavior, Evolution, and Culture
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DTSTART;TZID=America/Los_Angeles:20100104T000000
DTEND;TZID=America/Los_Angeles:20100104T000000
DTSTAMP:20201013T004827Z
CREATED:20200922T214455Z
LAST-MODIFIED:20201013T004827Z
UID:4121-1262563200-1262563200@bec.ucla.edu
SUMMARY:Adriana Galvan - Adolescence as a developmental period of increased risk-taking and reward sensitivity: Insights from Neuroimaging
DESCRIPTION:Adriana Galvan: UCLA Department of PsychologyAdolescence is a developmental period marked by heightened sensitivity to reward and increased proclivity towards risk-taking behavior. These behavioral changes are paralleled by significant developmental changes in neural circuitry related to reward processing and cognitive control. In this talk\, I will describe recent data on adolescent brain development\, propose a neurobiological model to describe adolescent risk-taking behavior\, and provide a framework for how these neuroimaging insights might be used for intervention and prevention of harmful risk-taking behaviors during adolescence.
URL:https://bec.ucla.edu/event/adriana-galvan-adolescence-as-a-developmental-period-of-increased-risk-taking-and-reward-sensitivity-insights-from-neuroimaging/
CATEGORIES:Past Presentation,Presentation
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20100111T000000
DTEND;TZID=America/Los_Angeles:20100111T000000
DTSTAMP:20201013T004827Z
CREATED:20200922T214455Z
LAST-MODIFIED:20201013T004827Z
UID:4120-1263168000-1263168000@bec.ucla.edu
SUMMARY:Lynn Fairbanks - Genetic\, Maternal and Life History Influences on Sociability in Vervet Monkeys
DESCRIPTION:Lynn Fairbanks: UCLA Department of Psychiatry & Biobehavioral SciencesThe ability to form and maintain social relationships is an important attribute that has broad implications for health and fitness in humans and nonhuman primates. In this presentation\, I will describe the development of a quantitative measure of sociability in the Vervet Research Colony\, a multigenerational pedigreed colony of vervet monkeys\, and present evidence for the consistency\, specificity and heritability of sociability as a trait. Mean Sociability scores are affected by life history variables\, including age\, sex\, male emigration\, and the presence of infants\, but longitudinal analysis indicates that individual differences are maintained over time and across life stages. Because of the importance of matrilineal social relationships in primate societies\, including the social ‘inheritance’ of dominance rank for females\, there is a possibility of maternal environmental effects on sociability. To account for this\, we include a component for shared maternal environment in a statistical genetics analysis to identify the contributions of genetic and maternal effects on trait variation\, using the extended pedigree. The results indicate there are strong genetic contributions to variation in Sociability scores for both males and females\, with maternal effects accounting for a smaller but statistically significant portion of the variance for females but not for males. The final part of the presentation will provide evidence for effects of variation in sociability on male reproductive success.
URL:https://bec.ucla.edu/event/lynn-fairbanks-genetic-maternal-and-life-history-influences-on-sociability-in-vervet-monkeys/
CATEGORIES:Past Presentation,Presentation
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20100115T000000
DTEND;TZID=America/Los_Angeles:20100115T000000
DTSTAMP:20201013T004827Z
CREATED:20200922T214606Z
LAST-MODIFIED:20201013T004827Z
UID:4124-1263513600-1263513600@bec.ucla.edu
SUMMARY:Tim Waring - Do Ethnic Divisions Restrict Sustainable use of Natural Resources?  A case study from Tamil Nadu
DESCRIPTION:Tim Waring: UC Davis Department of Environmental Science and PolicyNumerous scholars have shown that increasing ethnic diversity is correlated with reduced cooperation and fewer public goods. This result has significant implications for development policy\, lowering expectations for success in public infrastructure investment with ethnically diverse populations. I present evidence that ethnic hierarchy may be driving the observed effect of ethnic diversity. Ethnic hierarchy is naturally confounded with ethnic diversity because hierarchy cannot logically exist without diversity and because diversity without hierarchy may be exceedingly rare. To determine which factor is a greater constraint on cooperation\, I tested the strength of both ethnic diversity and ethnic hierarchy as cooperative limitations using public goods experiments with caste groups in South India. I show that the effect of ethnic diversity is neutralized when relatedness between individuals is taken into account. However\, ethnic hierarchy remains severely damaging to public goods cooperation\, when all variables are accounted for\, and is a required variable for any explanatory model. Moreover\, the influence of social momentum is significant. I find that the initial behavior in the game determines the long run outcome\, while the cooperative momentum is carried forward in the round-by-round decisions.http://www.bec.ucla.edu/TimWaringSlides.pdf
URL:https://bec.ucla.edu/event/tim-waring-do-ethnic-divisions-restrict-sustainable-use-of-natural-resources-a-case-study-from-tamil-nadu/
CATEGORIES:Past Presentation,Presentation
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20100125T000000
DTEND;TZID=America/Los_Angeles:20100125T000000
DTSTAMP:20201013T004826Z
CREATED:20200922T214607Z
LAST-MODIFIED:20201013T004826Z
UID:4125-1264377600-1264377600@bec.ucla.edu
SUMMARY:Nameera Akhtar - Children's learning from third-party interactions
DESCRIPTION:Nameera Akhtar: UCSC Department of PsychologyParents and researchers in Western middle-class societies emphasize dyadic interactions and teaching children new skills directly. This emphasis obscures the fact that young children can learn much through observation of others’ interactions. I will describe the results of several recent studies of young children’s learning from third-party interactions. Some of the studies examine learning novel words through overhearing others involve the learning of novel actions (imitative learning). The findings indicate that learning from third-party interactions is a robust skill seen in children as young as 18 months\, and suggest that this type of learning may rely on emerging social-cognitive skills that enable the child to imagine herself in the third-party interaction.
URL:https://bec.ucla.edu/event/nameera-akhtar-childrens-learning-from-third-party-interactions/
CATEGORIES:Past Presentation,Presentation
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