PSYC 2351 Chapter Notes - Chapter 3: Myelin, Grey Matter, Prefrontal Cortex

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Introduction: adolescence brings about the emergence of egocentric thought. The brain: the adolescent"s brain differs from the child"s brain, the brain continues to develop during adolescence. Increase in dopamine in the prefrontal cortex and limbic system during adolescence. Increased risk-taking: use of addictive drugs, plays a role in reward-seeking. Piaget"s theory: best-known and most widely discussed theory of adolescent cognitive development. Cognitive processes: adolescents are motivated to understand their world because doing so is biologically adaptive. Individuals move back and forth between states of cognitive equilibrium and disequilibrium (cognitive conflict) Stages of cognitive development: each stage consists of distinct ways of thinking, a person"s cognition is qualitatively different from one stage to another. In developing countries, educational opportunities are limited, and formal operational thought is rare. Cognitive changes in adulthood: adolescents and adults think in qualitatively the same way, adults can be quantitatively more advanced in their knowledge.

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