The Life Of The Mind by Steven Pinker Nature Vs. Nurture: What’s more impactful (S1 EP17)
Nov 9, 2022
Delve into the timeless debate of Nature vs. Nurture, where genetics play a surprising role in shaping personality. Discover how twin studies reveal that heredity often trumps upbringing in influencing traits like intelligence. Unravel the complex interaction between genes and environment, challenging common beliefs about the power of parenting. This thought-provoking discussion reflects on what truly defines individual uniqueness and the intricate dance of nature and nurture in our lives.
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Heritability of Traits
- All behavioral traits are partly heritable, meaning differences between people partially stem from genes.
- This is supported by studies of twins, especially identical twins raised apart, showing remarkable similarities.
Genes vs. Family
- Genes have a stronger influence on traits than family environment, often surprisingly small or zero in adulthood.
- Studies of adopted children reveal that shared family environment has minimal impact on personality/intellect.
The Role of Chance
- Much individual variation isn't explained by genes or family, suggesting a significant role of chance.
- This "chance" includes genetic mutations, unpredictable developmental factors, and random life events.
