Download - Unit IX: Developmental Psychology
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Unit IX:Developmental PsychologyModule 51
Adolescence: Physical & Cognitive Development
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Physical Development 51-1
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Adolescence
• Psychologists once believed that our traits were set during childhood.
• Today psychologists believe that development is a lifelong process.
• Adolescence is defined as the transition between childhood and adulthood.
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Physical Development
• Adolescence begins with puberty(sexual maturation).
• Puberty occurs earlier in females (11 years) than males (13 years).
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Brain Development
• Pruning of unused neurons and connections takes place during adolescence
• Maturation of the frontal lobes continues, but lags behind the limbic system – often leading to weighing immediate benefits more heavily than long-term consequences
• Use of alcohol, marijuana, and other drugs can slow or inhibit brain development during adolescence.
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Cognitive Development 51-2
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Cognitive Development 51-2
• During the early teen years, reasoning is often self-focused
• They may also worry about what others think of them
• Gradually most begin to reason more abstractly
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Developing Morality 51-2