DP Chapter 5 - Chapter 5 The Physical Self PSY 231 A Eric...

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Click to edit Master subtitle style 5/8/09 Chapter 5 The Physical Self PSY 231 A Eric Limegrover
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5/8/09 Chapter 5: The Physical Genetic and environmental forces e.g. height Average: female 5’4” male 5’9” Can be affected by malnutrition Catch-up growth possible After illness or periods of malnutrition More short people in cold climates Smaller body surface for heat loss
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5/8/09 The Endocrine System Glands that secrete hormones Pituitary gland: the master gland Controls all other glands Is controlled by the hypothalamus Produces growth hormone Testes secrete androgens like testosterone Ovaries secrete estrogen and progesterone
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5/8/09 Figure 5.2
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5/8/09 Plasticity Responsiveness to experiences Can be negative Vulnerable to damage Environmental deprivation Can be positive Aids in recovery from from injury Can compensate for each other Can benefit from stimulation Allows for adaptability
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5/8/09 Brain Development Critical period: late prenatal & early infancy Lateralization (at birth) Left hemisphere Analytic reasoning, language Right hemisphere Understanding spatial information Visual-motor information Corpus callosum connects the two
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5/8/09 Brain Development (cont.) Never truly complete Changes occur across lifespan Growth spurts in infancy, childhood and adolescence Full adult weight by about age 16 Processing speed increases in adolescence Myelination continues into adulthood
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5/8/09 Brain Development (cont.) The Aging Brain Gradual and mild degeneration Elderly adults 5-30% fewer neurons than younger adult Greater loss in sensory-motor areas Plasticity still possible Main result of age is slower processing
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This note was uploaded on 04/15/2008 for the course PSY 231 taught by Professor Limegrover during the Spring '08 term at Miami University.

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DP Chapter 5 - Chapter 5 The Physical Self PSY 231 A Eric...

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