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inheritance and heritability
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lecture 5 out of 6 in this lecture series on neuropsychology
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Lecture 5 – inheritance and heritabilityIntelligence:
- New Findings and Theoretical Developments (Nisbett, 2012)
- What is intelligence?
- Other than high heritability, what is known about the genetics of intelligence?
- What are some environmental effects on IQ? How has these inspired interventions?
- What is the Flynn effect and what does it imply?
- What are the major unanswered questions and future directions for research?
- How will genome-wide association studies (GWAS) change our approach?
- For additional background reading: see Neisser et al (1996)
Universal intelligence testing affects social order;
- Our reading for the workshop is a response to this very controversial book, The Bell
Curve. Also lots of new versions of this book.
- 1) Intelligence is heritable
- 2) Assortative mating, produce offspring with people like us
- 3) Intelligence predicts SES (job status, income etc)
- Intelligence is easily measured, stable throughout the lifespan, and makes
meaningful predictions
Gardner’s Theory (Not psychometric intelligence);
- 7 different and independent intelligences
- Linguistic
- Logical-mathematical
- Musical
- Spatial
- Bodily-kinesthetic
- Interpersonal
- Intrapersonal
- But this is not psychometric intelligence, Intelligence does not refer to specific skills.
E.g. Taylor Swift and Jessica Ennis are brilliant in their respective fields
- This isn’t what cognitive psychologists mean by intelligent
Psychometric intelligence;
- Intelligence refers to performance on a test
- Those who score well tend to realize success
- Many lead influential lives. Each of the following
- scored in the top 1% as teenagers on psychometric intelligence:
- Sergey Brin/Mark Zuckerberg/Stefani Germanotta (lady gaga)
What is colloquial intelligence?
- Think abstractly, plan, or reason
- To gather information, learn from experience
- To understand complex ideas, solve problems, adapt to new
situations, or overcome obstacles
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