Response to Robert Krueger's Talk

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03-27-2012 Extra Credit: Response to Robert Krueger's Talk Robert Krueger's presentation, “Understanding genetic and environmental contributions to individual differences: Contemporary findings and challenges”, looked at different factors contributing to personality and psychopathological tendencies. Krueger started out his presentation explaining Genome-Wide Association studies (GWAS). He was excited by the new technology that allows researchers to quickly analyze whole genome samples at a high resolution for genetic variation. He claimed that research show genes only vary slightly among individuals. Krueger then discussed twin studies and other methods commonly used to tap into that variation. Finally, he discussed some of the current research being done at the University of Minnesota, and challenges researchers face in the field. When I first saw the title of the presentation, I figured the presentation would be discussing how it is not singly nature or nurture that makes up individual differences; rather, it is an interaction of the two. I was very surprised that the talk was so physiologically oriented. Overall, I found the presentation interesting, but feel I would have benefitted more if I had a background in ethology or physiology. The presentation seemed to be geared towards an audience already knowledgeable in those fields. One part of the presentation that stuck with me was Krueger’s brief discussion on Minnesota's use of fraternal twins to study the effects of genes. When I learned about twin studies in school, most of the professors focused only on the use of identical twins. There is a lot to still be learned about genetic contributions, and I was glad Krueger brought that up in his presentation. Additionally, the research Minnesota did with twins was interesting. I wish that Krueger would have gone into more detail about the next couple

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