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Copyright © Allyn & Bacon 2007 Development Through the Lifespan Chapter 13 Physical and Cognitive Development in Early Adulthood This multimedia product and its contents are protected under copyright law. The following are prohibited by law: Any public performance or display, including transmission of any image over a network; Preparation of any derivative work, including the extraction, in whole or in part, of any images; Any rental, lease, or lending of the program.
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Copyright © Allyn & Bacon 2007 Emerging Adulthood Slower than in past to reach milestones of adulthood Prolonged identity development More education Later career entry Less available for low SES Prolonged identity development More education Later career entry Less available for low SES
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Copyright © Allyn & Bacon 2007 Theories of Biological Aging DNA-Cellular Level Programmed effects of specific genes “Aging genes” Tolomere shortening Random Events Mutations and cancer Free radicals DNA-Cellular Level Programmed effects of specific genes “Aging genes” Tolomere shortening Random Events Mutations and cancer Free radicals Organ and Tissue Level Cross-linkage theory Gradual failure of endocrine system Declines in immune system Organ and Tissue Level Cross-linkage theory Gradual failure of endocrine system Declines in immune system
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Copyright © Allyn & Bacon 2007 Cardiovascular & Respiratory Changes Heart Few resting changes, lower performance under stress Hypertension, atherosclerosis Diseases declining - better lifestyle Heart Few resting changes, lower performance under stress Hypertension, atherosclerosis Diseases declining - better lifestyle Lungs Maximum vital capacity declines after 25 Stiffness makes breathing harder with age Lungs Maximum vital capacity declines after 25 Stiffness makes breathing harder with age
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Copyright © Allyn & Bacon 2007 Aging and Athletic Performance
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Copyright © Allyn & Bacon 2007 Motor Performance in Adulthood Athletic skills peak between 20 and 35 Decline gradually until 60s or 70s, then faster Athletic skills peak between 20 and 35 Decline gradually until 60s or 70s, then faster Continued training slows loss Keep more vital capacity, muscle, response speed Continued training slows loss Keep more vital capacity, muscle, response speed
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Copyright © Allyn & Bacon 2007 The Immune System in Early Adulthood Fewer T cells from shrinking thymus B cells don’t work as well without T cells Stress weakens immune response Declines after age 20:
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Copyright © Allyn & Bacon 2007 Rate of First Births to Women by Age
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Copyright © Allyn & Bacon 2007 Leading Causes of Death in Early Adulthood
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Copyright © Allyn & Bacon 2007 SES and Self-Reports of Health
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Copyright © Allyn & Bacon 2007 Causes of Overweight Heredity Environmental pressures Cheap fat and sugar Supersize portions Busy lives Snacks Take-out Lack of exercise Heredity Environmental pressures Cheap fat and sugar Supersize portions Busy lives Snacks Take-out Lack of exercise
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Copyright © Allyn & Bacon 2007 Consequences of Overweight Health Problems Blood pressure, heart Diabetes Liver, gallbladder Arthritis Sleep, digestive Social discrimination Housing Education, careers Mistreatment Health Problems Blood pressure, heart Diabetes Liver, gallbladder Arthritis Sleep, digestive Social discrimination Housing Education, careers Mistreatment
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Copyright © Allyn & Bacon 2007 Treating Obesity Diet and exercise Eating records Social support Problem-solving skills Extended intervention Diet and exercise Eating records Social support Problem-solving skills Extended intervention
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Copyright © Allyn & Bacon 2007 Dietary Fat Unsaturated Liquid vegetable oils Total fat 30% or less of daily calories Unsaturated Liquid vegetable oils Total fat 30% or less of daily calories Saturated Fat From meat and dairy Solid at room temperature No more than 10% of daily calories Saturated Fat From meat and dairy Solid at room temperature No more than 10% of daily calories
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Copyright © Allyn & Bacon 2007 Variations in Dietary Fat and High Blood Pressure Among Black Africans
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Copyright © Allyn & Bacon 2007 Exercise Only one third get enough At least 30 minutes moderate five or more days a week More often, more vigorous is better Around one third of North Americans are inactive Women Low SES Only one third get enough At least 30 minutes moderate five or more days a week More often, more vigorous is better Around one third of North Americans are inactive Women Low SES
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Copyright © Allyn & Bacon 2007 Benefits of Exercise Reduces fat, builds muscle Boosts immune system, prevents some diseases Cardiovascular benefits Mental health benefits Stress reduction Self-esteem Longer life Reduces fat, builds muscle Boosts immune system, prevents some diseases Cardiovascular benefits Mental health benefits Stress reduction Self-esteem Longer life
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Copyright © Allyn & Bacon 2007 Substance Use in Early Adulthood Cigarettes, chewing tobacco Alcohol Binge drinking Drugs Marijuana Stimulants Prescription drugs Party drugs Cigarettes, chewing tobacco Alcohol Binge drinking Drugs Marijuana Stimulants Prescription drugs Party drugs Peaks from 19-22 years, then declines But up to 20% ages 21-25 are substance abusers Peaks from 19-22 years, then declines But up to 20% ages 21-25 are substance abusers
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Copyright © Allyn & Bacon 2007 Cigarette Smoking 25% of Americans, 19% of Canadians Numbers slowly declining Less with higher education, but many college students smoke More women smoking Most smokers start before age 21 25% of Americans, 19% of Canadians Numbers slowly declining Less with higher education, but many college students smoke More women smoking Most smokers start before age 21 Deadly health risks Hard to quit Most in treatment programs restart Deadly health risks Hard to quit Most in treatment programs restart
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Copyright © Allyn & Bacon 2007 Alcohol Abuse in Early Adulthood Causes mental, physical problems High social costs Treatment is difficult Half relapse in months Causes mental, physical problems High social costs Treatment is difficult Half relapse in months 13% of men, 3% of women heavy drinkers About 1/3 of these alcoholics Genetic, cultural factors in alcoholism 13% of men, 3% of women heavy drinkers About 1/3 of these alcoholics Genetic, cultural factors in alcoholism
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Copyright © Allyn & Bacon 2007 Heterosexual Sexual Activity in Early Adulthood 90% have intercourse by age 22 Most sex in the context of relationships 70% only 1 partner in past year Partners similar to each other Sex infrequent Only 1/3 twice a week or more More often in 20s, declines with age Most are satisfied Over 80% of those in relationships Minority report problems 90% have intercourse by age 22 Most sex in the context of relationships 70% only 1 partner in past year Partners similar to each other Sex infrequent Only 1/3 twice a week or more More often in 20s, declines with age Most are satisfied Over 80% of those in relationships Minority report problems
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Copyright © Allyn & Bacon 2007 Sex Difference in Sexual Attitudes More men looking for play and pleasure Men more upset by sexual infidelity; women by emotional Lifetime number of partners similar for men and women Attitudes grow more similar with age More men looking for play and pleasure Men more upset by sexual infidelity; women by emotional Lifetime number of partners similar for men and women Attitudes grow more similar with age Women more opposed to casual sex
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Copyright © Allyn & Bacon 2007 Homosexuality and Bisexuality in Early Adulthood Public acceptance growing Majority say it’s “OK,” support civil liberties, job opportunities Most well-educated; live in larger cities, college towns Public acceptance growing Majority say it’s “OK,” support civil liberties, job opportunities Most well-educated; live in larger cities, college towns 2.8% of men, 1.4% of women Estimated 30% same-sex couples do not report Similar behavior to heterosexuals 2.8% of men, 1.4% of women Estimated 30% same-sex couples do not report Similar behavior to heterosexuals
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Copyright © Allyn & Bacon 2007 Dangers of Sex STDs AIDS Sexual Coercion Rape Abuse
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Copyright © Allyn & Bacon 2007 Factors Related to Sexual Coercion Perpetrator CharacteristicsCultural Forces Believe traditional gender roles Approve violence against women; accept rape myths Perceive behavior inaccurately History of own abuse, promiscuity Alcohol abuse Men taught dominance, competition, aggression Women submission Acceptance of violence Aggressive pornography
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Copyright © Allyn & Bacon 2007 Consequences of Rape and Sexual Abuse Trauma response Immediate shock Long-term problems Depression Physical injury STDs General ill health Negative behaviors Trauma response Immediate shock Long-term problems Depression Physical injury STDs General ill health Negative behaviors
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Copyright © Allyn & Bacon 2007 Preventing and Treating Rape and Abuse Community services Underfunded Few for men Routine screening Validation of experience Safety planning Community services Underfunded Few for men Routine screening Validation of experience Safety planning
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Copyright © Allyn & Bacon 2007 PMS Physical and psychological symptoms 6-10 days before period 40% have some PMS Severe for 10-20% Genetic factors Physical and psychological symptoms 6-10 days before period 40% have some PMS Severe for 10-20% Genetic factors Diet, exercise, stress reduction, meds can help
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Copyright © Allyn & Bacon 2007 Stress Related to Illness Unhealthy behavior Caused or worsened by Low SES Challenges of early adulthood Related to Illness Unhealthy behavior Caused or worsened by Low SES Challenges of early adulthood
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Copyright © Allyn & Bacon 2007 Fostering a Healthy Adult Life Keep fit Control alcohol No smoking Responsible sex Manage stress Keep fit Control alcohol No smoking Responsible sex Manage stress Healthy eating Maintain reasonable weight Healthy eating Maintain reasonable weight
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Copyright © Allyn & Bacon 2007 Theories of Changes in Thinking in Early Adulthood Piaget – postformal thought Perry – epistemic cognition Labouvie-Vief – Pragmatic thought Cognitive-affective complexity Piaget – postformal thought Perry – epistemic cognition Labouvie-Vief – Pragmatic thought Cognitive-affective complexity
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Copyright © Allyn & Bacon 2007 Development of Epistemic Cognition 1.Dualistic thinking 2.Relativistic thinking 3.Commitment within relativistic thinking 1.Dualistic thinking 2.Relativistic thinking 3.Commitment within relativistic thinking Challenges Opportunities to reflect Peers All help development Challenges Opportunities to reflect Peers All help development
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Copyright © Allyn & Bacon 2007 Cognitive-Emotional Complexity Across Adulthood
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Copyright © Allyn & Bacon 2007 Expertise and Creativity Expertise = acquisition of extensive knowledge in a field Takes many years Affects information processing Effects on creativity Problem finding 10-year rule Creativity usually rises in early adulthood Expertise = acquisition of extensive knowledge in a field Takes many years Affects information processing Effects on creativity Problem finding 10-year rule Creativity usually rises in early adulthood
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Copyright © Allyn & Bacon 2007 The College Experience Exposure to new ideas, beliefs, demands leads to cognitive growth, new thinking patterns Relativistic thinking Increased self-understanding Depends on participation in campus life Exposure to new ideas, beliefs, demands leads to cognitive growth, new thinking patterns Relativistic thinking Increased self-understanding Depends on participation in campus life Formative, influential “developmental testing ground”
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Copyright © Allyn & Bacon 2007 Dropping Out of College 30-50% drop out Personal factors Preparation, motivation, skills Financial problems, low SES Institutional factors Little help, community Cultural disrespect 30-50% drop out Personal factors Preparation, motivation, skills Financial problems, low SES Institutional factors Little help, community Cultural disrespect
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Copyright © Allyn & Bacon 2007 Periods of Vocational Development Fantasy period Tentative period Realistic period Exploration Crystallization Fantasy period Tentative period Realistic period Exploration Crystallization
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Copyright © Allyn & Bacon 2007 Factors Influencing Vocational Choice Personality Family influences Teachers Gender stereotypes Access to vocational information
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Copyright © Allyn & Bacon 2007 Personality Types and Vocational Choice Investigative Social Realistic Artistic Conventional Enterprising
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Copyright © Allyn & Bacon 2007 Vocational Preparation of Non College-Bound North American high-school graduates poorly prepared to work Lack vocational placement, counseling Fewer opportunities than in past Limited jobs Work-study, apprenticeships can help Rare in North America Europe has model systems Lack vocational placement, counseling Fewer opportunities than in past Limited jobs Work-study, apprenticeships can help Rare in North America Europe has model systems
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