Sexual Desires
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Mitosis, meiosis and sexual reproduction. Understanding gametes, zygotes, and haploid / diploid numbers.
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We first complete our discussion of the candidate-voter model showing, in particular, that, in equilibrium, two candidates cannot be too far apart. Then we play and analyze Schelling's location game. We discuss how segregation can occur in society even if no one desires it. We also learn that seemingly irrelevant details of a model can matter. We consider randomizations first by a central authority (such as in a bussing policy), and then...more
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Two more views regarding the metaphysical key to personal identity are discussed: the body view and the personality view. According to the body view, an individual is identified in terms of his or her physical body. According to the personality view, an individual is identified by his or her unique set of beliefs, desires, memories, goals, and so on.
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Sexual selection is a component of natural selection in which mating success is traded for survival. Natural selection is not necessarily survival of the fittest, but reproduction of the fittest. Sexual dimorphism is a product of sexual selection. In intersexual selection, a sex chooses a mate. In intrasexual selection, individuals of one sex compete among themselves for access to mates. Often honest, costly signals are used to help the...more
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Chimpanzee males compete for position in a dominance hierarchy; status often depends on support from other members, including females, of the group. High-ranking males have much greater sexual access to females in estrus. Males control females by physical violence and intimidation. Chimpanzees also engage in purposeful raids to kill members of other chimpanzee groups. This inter-group violence can help explain intra-group violence. To...more
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What do your dreams mean? Do men and women differ in the nature and intensity of their sexual desires? Can apes learn sign language? Why can't we tickle ourselves? This course tries to answer these questions and many others, providing a comprehensive overview of the scientific study of thought and behavior. It explores topics such as perception, communication, learning, memory, decision-making, religion, persuasion, love, lust, hunger,
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Genetics controls evolution. There are four major genetic systems, which are combinations of sexual/asexual and haploid/diploid. In all genetic systems, adaptive genetic change tends to start out slow, accelerate in the middle, and occur slowly at the end. Asexual haploids can change the fastest, while sexual diploids usually change the slowest. Gene frequencies in large populations only change if the population undergoes selection.
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In the undisputed Pauline epistles, marriage is seen as a way to extirpate sexual desire - neither as a means for procreation nor as the preferred social status. The Pastoral Epistles, written to instruct in the pastoring of churches and appointing of church offices, presents quite un-Pauline attitudes. In the Pastoral Epistles, the church, rather than an ecclesia, becomes a household, a specifically patriarchal structure in which men...more
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This lecture reviews what evolutionary theories and recent studies in psychology can tell us about sex and gender differences. Students will hear how psychology can help explain many of the differences that exist in whom we find attractive, what we desire in a mate, and sexual orientation.
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Adaptive Evolution is driven by natural selection. Natural selection is not "survival of the fittest," but rather "reproduction of the fittest." Evolution can occur at many different speeds based on the strength of the selection driving it. These types of selection can result in directional, stabilizing, and disruptive outcomes. They can be driven by frequency-dependent selection and sexual selection, in addition to more standard types of...more
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Mutations are the origin of genetic diversity. Mutations introduce new traits, while selection eliminates most of the reproductively unsuccessful traits. Sexual recombination of alleles can also account for much of the genetic diversity in sexual species. In some instances, population size can affect diversity and rates of evolution and fixation, but in other cases population size does not matter.
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Verma explains why it is important to hire someone who is hungry, whose values and desires mesh with the company's. Rather than relying solely on the resume, look to these other qualities when building a team, he says.
