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Nature and Nurture

Nature and Nurture. Biopsychology. Goals:. What is the nature-nurture issue? What are key issues in behavior genetics? What are the elements of the genetic code? How do twin studies and adoption studies help us to learn about nature and nurture influences?

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Nature and Nurture

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  1. Nature and Nurture Biopsychology

  2. Goals: • What is the nature-nurture issue? • What are key issues in behavior genetics? • What are the elements of the genetic code? • How do twin studies and adoption studies help us to learn about nature and nurture influences? • What are the research findings related to environmental influences of early brain dev, parents, peers, and culture?

  3. Behavior Genetics • Studies how our families, friends, and culture affect us.

  4. Nature and Nurture • Nature=genes • Nurture=environment

  5. What are genes? • http://www.youtube.com/watch?v=ubq4eu_TDFc • Also see diagram of Nucleus, cell, chromosome, Gene, and DNA on p 39 of your textbook.

  6. Reminder about genes • They are predispositions but don’t completely dictate our appearance and behaviors! • Ex: Cancer: We aren’t doomed because we have a family history of cancer. • Environment also plays a role.

  7. Twin Studies • Is homosexuality genetic? • http://www.youtube.com/watch?v=1xht0hw3nMA

  8. Environmental Impact • Twins separated at birth: • http://www.youtube.com/watch?v=1gwnzW4jOMI

  9. Are parents to blame for their “bad” children? • http://www.youtube.com/watch?v=5CoM4JUwfJM

  10. Early Learning, peer influence, and culture • Growing up in the same environment only accounts for abt 10% of personality . Other factors: • Early Learning: Rat study 20% inc in communication connections in brain of rats in enriched environment. • Premies grow faster when touched a lot • Poor 6th graders had higher IQ scores if they were given stimulating care as infants

  11. Peer and Parent influence • Peers have bigger impact on smoking rates • Immigrants adopt local culture at school • Parents are more imp for discipline, education, responsibility, orderliness, charitableness and response to authority.

  12. Cultural Influence • http://www.youtube.com/watch?v=57KW6RO8Rcs&feature=related • Individualism vs. Collectivism

  13. Review • What is the nature-nurture issue? • What are key issues in behavior genetics? • What are the elements of the genetic code? • How do twin studies and adoption studies help us to learn about nature and nurture influences? • What are the research findings related to environmental influences of early brain dev, parents, peers, and culture?

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