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Chapter+5-+student+version - The Physical Self Chapter 5 1...

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1 The Physical Self Chapter 5
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2 Later Brain Development? Between 2 and 5 brain weight increases from ________ of its adult weight Full brain weight is reached around ___, but the brain continues to develop until early __’s
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3 Later Brain Development? Lateralization left hemisphere (____ yrs. old) right hemisphere (___________) Myelinization Synaptic Pruning
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4 Later Brain Development: Myelinization Cerebellum-structure that aids in balance and control of body movements (until age ___) Reticular Formation- structure that maintains alertness (throughout _________________) Corpus Callosum- connect the two cortical hemispheres so that they can communicate directly (throughout ________)
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5 Later Brain Development: Teenagers “A work in progress” May help explain: lack of sound judgment emotional volatility Prefrontal Cortex: still developing -decision making - controlled attention - organization
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6 Later Brain Development: Teenagers and Emotional Volatility Limbic System and Prefrontal Cortex- Limbic system is modulated by the prefrontal cortex, which isn’t fully developed in teens Study: Recognizing Emotions Teens not so good! Sex Hormones- surges of testosterone at puberty swells the amygdala
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7 Television and Brain Development Higher level of TV viewing correlates with lowered academic performance (esp. reading) Nature of the stimulus may predispose some children to attentionproblems The brain’s prefrontal cortex is responsible for planning, organizing, and sequencing behavior for self- control, moral judgment and attention
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8 The Aging Brain: Degeneration
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Chapter+5-+student+version - The Physical Self Chapter 5 1...

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