{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lecture 9 Fall 2011 9-29 - Nature Nurture and Human...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Nature, Nurture, and Human Diversity 0% Chapter 4
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 2
Nature, Nurture, and Human Diversity Parents and Peers Parents and Early Experiences
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Whether early environment is impoverished or enriched has a major impact on brain development: Rosenzweig and Krech found that rats raised in an enriched environment developed a larger, and thicker, cortex than rats raised in an impoverished environment. Experience and Brain Development
Background image of page 4
A trained brain: A well-learned finger- tapping task, practiced thousands of times, activates more motor cortex neurons (in orange) than were active in the same brain before training. Experience and Brain Development
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This same sort of brain plasticity is seen in humans. In one study, researchers found that London taxi cab drivers had larger hippocampal brain regions responsible for spatial memory than did controls. Credit: Andreas Tusche Experience and Brain Development http://news.bbc.co.uk/olmedia/675000/video/_676133_christine_mcgourty6am_vi.ram http://news.bbc.co.uk/olmedia/675000/audio/_677048_wax.ram
Background image of page 6
How Much Credit (or Blame) Do Parents Deserve? Parents do matter, especially at extremes. For example, abused children are prone to abuse their own children as adults. Somewhat surprisingly, however, shared environmental influences on personality and intelligence are fairly small (around 10%).
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}