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DTSTART;TZID=America/Los_Angeles:20050307T000000
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DTSTAMP:20201006T231353Z
CREATED:20200922T213656Z
LAST-MODIFIED:20201006T231353Z
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SUMMARY:Joanna Mountain - Deep common ancestry of African click-speaking populations
DESCRIPTION:Joanna Mountain: Stanford University Department of Anthropological SciencesIn the 1960’s linguist Joseph Greenberg classified all languages spoken primarily in Africa into four families. One of those families\, Khoisan\, includes not only the languages of the Khoe and San peoples of southern Africa\, but also the languages of the Hadzabe and Sandawe peoples of Tanzania. Primary criteria for including languages in the Khoisan family were the presence of click-consonants and the absence of evidence of recent borrowing of such clicks. In 1998 we set out to compare the genetic variation of the Hadzabe with that of a San population of Namibia in order to better understand both the linguistic and population history of this broad region of Africa. Our analyses of mitochondrial DNA and Y chromosomal variation indicated deep genetic divergence between these click-speaking populations\, with implications for the evolution of the click languages. More recently Sarah Tishkoff of the University of Maryland and I have teamed up to investigate how the Sandawe fit into the picture. Intriguingly\, even the geographically proximate click-speaking populations\, the Hadzabe and Sandawe\, are relatively divergent in terms of genetic variation. Furthermore\, the haplotypes of some Sandawe individuals indicate a deep but unique link with the San. The correspondence with the conclusions of linguist Bonny Sands is striking.http://www.bec.ucla.edu/papers/Mountain_3-7-05.pdf
URL:https://bec.ucla.edu/event/joanna-mountain-deep-common-ancestry-of-african-click-speaking-populations/
CATEGORIES:Past Presentation,Presentation
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DTSTART;TZID=America/Los_Angeles:20050314T000000
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DTSTAMP:20201006T231353Z
CREATED:20200922T213657Z
LAST-MODIFIED:20201006T231353Z
UID:3984-1110758400-1110758400@bec.ucla.edu
SUMMARY:Kang Lee - Little Liars: Development of Verbal Deception in Different Social Contexts
DESCRIPTION:Kang Lee: UC San Diego Department of PsychologyIn this talk\, I will present three sets of studies that examined children’s lying: (a) to conceal their own transgression\, (b) to be polite\, and (c) to be modest. I will use the results of these studies to illustrate that (a) lying is a behavior that develops early and rapidly\, (b) preschoolers are already capable of managing their nonverbal behaviors when lying\, which makes their lies difficult to detect\, and (3) cultural factors influence both children’s moral understanding of lying and their actual behavior. However\, there exists a complex relationship between children’s moral understanding: One factor is whether both are consistently promoted and sanctioned in a culture. When they are not\, there is no relationship between the two. When they are\, there is a small to moderate correlation between the two.http://www.bec.ucla.edu/papers/Lee_3-14-05.pdf
URL:https://bec.ucla.edu/event/kang-lee-little-liars-development-of-verbal-deception-in-different-social-contexts/
CATEGORIES:Past Presentation,Presentation
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