Download - Bee & Boyd, Lifespan Development, Chapter 13
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Chapter 13:
Physical and Cognitive Development in Early Adulthood
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In This Chapter
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Physical FunctioningTypes of Aging
Definitions
Primary aging: Gradual and inevitable process of bodily deterioration throughout life
Secondary aging: Preventable processes from disease and poor health practices
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Physical FunctioningAging and Health
Health difference Income-related variations in social
environments and individual behavior
Many of the same factors contribute to economic differences and health habits
Links between social class and secondary aging complex
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The Brain and Nervous SystemEarly Adulthood
Growth spurts in brain
Response inhibition cortex control of limbic system
New neuronal production
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The Brain and Nervous SystemEarly Adulthood
Speed
Gradual loss of speed
Every bodily function affected
Gradual changes at neuronal level
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The Brain and Nervous SystemEarly Adulthood
Sex Differences
Men: lower proportion of white matter in left brain hemisphere than in right
Women: equal portions of gray matter in each brain hemisphere
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The Brain and Nervous SystemEarly Adulthood
____________________ is associated with individual differences in performance on verbal tasks for males, but not for females.
Do you know?
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The Brain and Nervous SystemEarly Adulthood
General Physical Skills
Better physical skills on all measures when compared to older adults
Can you hypothesize what some of these measures might be?
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Other Body SystemsEarly Adulthood
Declines Physical Functioning
Changes are balanced between physical demand and physical capacity
Losses that appear later in life start in early adulthood
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Other Body SystemsEarly Adulthood
Heart and Lungs Systematic decline with age of Maximum
oxygen uptake (VO2max)
Reflects cumulative effects of sedentary lifestyle
Aerobic exercise can improve VO2max at nearly any age
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Other Body SystemsEarly Adulthood
Physical Functioning
Strength and Speed Strength peaks in the 20s and early 30s Active lifestyles affect functioning
Reproductive Capacity Women’s reproductive capacity begins to
drop in mid-20s Men’s capacity diminishes but remains
intact
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Figure 13.1 Changes in Grip Strength
UPDATE TO COME
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Physical FunctioningEarly Adulthood
Immune System Functioning Thymus gland and bone marrow produce
B cells and T cells
B cells produce antibodies to fight off external threats
T cells defend against internal threats, such as transplanted organs, cancer cells, and viruses
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True or False?
One of the key physical changes over the years of adulthood is
increasing susceptibility to disease.
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Physical FunctioningEarly Adulthood
Thymus gland: Glandular organ at base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age
Central to aging process
Declines in immune system may be in response to stress or depression
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Health and WellnessHealth Habits and Personal Factors
Healthy Habits
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Health and WellnessHealthy Habits and Risk of Death
Only five habits on the previous slide are independently related to risk of death.
Can you guess which two habits were unrelated to mortality?
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Health and WellnessHealth Habits and Personal Factors
Unhealthy Habits Poorer health habits lead to higher risk Lack of physical exercise linked to higher
risk of death Higher BMI in women associated with higher
risks of death
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Health Habits and Personal Factors Social Support
Positive Effects Adequate amounts of social support lower
risk of disease, death, and depression
Effects found across diverse age groups
May boost immune system functioning
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Health Habits and Personal Factors A Sense of Control: Perceived Control
Perceived Control
Self-efficacy: Belief in ability to perform some action or to control behavior or environment to reach some goal
Internal locus of control: Attribute cause of many consequences to self, not external factors
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Health and WellnessSexually Transmitted Diseases (STDs)
Bacterial STDs: Caused by microorganisms that can be eradicated with antibiotics
Chlamydia Gonorrhea Syphilis
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Health and WellnessSexually Transmitted Diseases (STDs)
Viral STDs: Caused by viruses and considered incurable
Genital herpes Genital warts HIV/AIDS
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Health and WellnessCheck Your Knowledge!
Take the Mayo Clinic’s STD Quiz on page 344.
Were you surprised by your score?
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Health and WellnessSexually Transmitted Diseases Prevention
Prevention: Behavioral changes Less risky sexual behavior Use of condoms
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Health and WellnessIntimate Partner Abuse: Prevalence
Physical abuse: Physical or other behavior designed to intimidate or harm an intimate partner or former partner
Prevalence
What is the rate of female physical abuse?
Let’s find out.
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Figure 13.2 Worldwide Rates of Female Physical Abuse
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Health and WellnessIntimate Partner Abuse: Causes
Characteristics of abusers and victims associated with intimate partner abuse Cultural attitudes Gender-role prescriptions Personality traits Gender differences
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Health and WellnessIntimate Partner Abuse: Victims
Abuse victims’ characteristics
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Health and WellnessIntimate Partner Abuse: Effects
Effects of abuse Women may develop anxiety,
depression, shame, and low self-esteem
Witnessing abuse influences negative developmental outcomes in children
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Health and WellnessIntimate Partner Abuse: Prevention
Prevention Vigorous law enforcement of abuse Temporary shelters Training programs for victims stressing
problem-solving skills to provide opportunities
Community-wide and school-based approaches to educate about abuse
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Stop and Think
Some experts have proposed that date rape may be more traumatic than rapes perpetrated by strangers.
Do you know why?
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Health and WellnessIntimate Partner Abuse: Sexual Violence
Sexual violence: Episodes of partner abuse in which an individual uses force to coerce another into engaging in sexual acts Context Victim gender Consequences
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Health and WellnessMental Health Problems: Causes
Causes of mental health problems Age Expectations and role conflicts Biological causes Interaction of biology and environment
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Health and WellnessAnxiety and Mood Disorders
Top Two! Most common mental
disorder are those associated with fear and anxiety
Second most common types are problems associated with moods
Disorders
Anxiety
Depression
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Health and WellnessPersonality Disorders
Personality disorders: Inflexible pattern of behavior that leads to difficulties in social, educational, and occupational functioning
Behaviors start in mid- or late adolescence but can remain problematic throughout life
See Table 13.4
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Health and WellnessPersonality Disorders
Schizophrenia: Mental disorder that makes it difficult to tell the difference between real and unreal experiences, to think logically, to have normal emotional responses, and to behave normally in social situations
Characterized by false beliefs (delusions) and false sensory experiences (hallucinations)
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Health and WellnessSubstance Use and Abuse Overview
Quick Facts Peak between 18 and 40 Gender differences Binge drinking common among college
students Physical and psychological dependence
and physical tolerance may occur
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Health and WellnessSubstance Use and Abuse
Factors Influencing Addictive Potential of Drugs
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Cognitive ChangesPost-Format Thought
Post-formal thought: Thinking characterized by an understanding of the relative, nonabsolute nature of knowledge Labouvie-Vief, Kohlberg, William Perry
Dialectical thought: Ability to think logically and critically in order to assess and evaluate propositions Basseches
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Cognitive ChangesPost-Format Thought
Reflective Judgment Model: Stage model characterized by seven distinct but developmentally related sets of assumptions about process of knowing and its acquisition
King and Kitchener Analyze arguments and underlying
assumptions
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Cognitive ChangesFormal Operations and Beyond
Intelligence
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Figure 13.3 Seattle Data on IQ Scores
Cross-sectional and Longitudinal Data on IQ
Scores
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Post-Secondary EducationImpact
Post-secondary education: Any kind of formal schooling following high school Developmental impact Social impact
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Figure 13.4 U.S. College Completion Rates
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Post-Secondary Education Traditional and Nontraditional Students
Let’s list the ways in which traditional and non-traditional students are alike—
and different.
TraditionalTraditional
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And so?
Imagine you are assigned to complete a group project in this class. There are 4 traditional and 2 non-traditional students in your group.
What are your expectations for each of these categories of students?
What contributed most to your expectations?
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Post-Secondary EducationStudents with Disabilities
Requirement Post-secondary education now required
to serve all people with disabilities (IDEA)
Incidence
Performance and perception
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Gender and the College Experience
Female college students Higher graduation rates Study more Lower entrance exam scores Lower entrance into prestigious programs Party less and influenced less by peer
pressure
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Race and the College Experience
Graduation rates vary across U.S. ethnic groups
White or Asian American
African American
Hispanic American students
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Think of elite athletes. When are they in their prime: gymnastics, swimming, weight-lifting, baseball, football, golf, and tennis? What does this tell us about aging?
How aggressively do you protect yourself from an STD? How would you handle a partner that balks at using protection or your use of protection?
Questions To PonderQuestions To PonderQuestions To PonderQuestions To Ponder
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Are there indications of bias against students with disabilities in your college classrooms?
Questions To PonderQuestions To PonderQuestions To PonderQuestions To Ponder