Module 5 The Nature and Nurture of Behavior

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Module 5The Nature and Nurture of Behavior
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Genes Our Biological Blueprint
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Genes Their Location and Composition
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Evolutionary Psychology Explaining Universal
Behaviors

• Natural Selection
• Sexuality
• An Evolutionary Explanation
• Critiquing the Evolutionary Explanation

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A Study of Worldwide Mating Preferences
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Behavior Genetics Explaining Individual
Differences

• Twin Studies
• Separated Twins
• Adoption Studies
• Temperament Studies
• Group Differences
• Nature Enables Nurture
• Gene - Environment Interaction

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Environmental Influences on Behavior
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How Much Credit ( or Blame ) Do Parents Deserve?
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Prenatal Environment
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Two Placental Arrangements in Identical Twins
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Experience and Brain Development
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A Trained Brain
A well-learned finger-tapping task activates more
motor cortex neurons (right) than were active in
the same brain before training (left)
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Peer Influence
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Culture

• Variation Across Cultures
• Variation Over Time
• Culture and Child-Rearing
• Developmental Similarities Across Groups

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Gender

• The Nature of Gender
• The Nurture of Gender
• Gender Roles
• Gender and Child-Rearing

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Changing Attitudes about Gender Roles
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Two Theories of Gender-typing