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Questions and Answers
Early adulthood is a time marked by unstable bodily systems, with many experiencing unsettling changes as they transition from adolescence.
Early adulthood is a time marked by unstable bodily systems, with many experiencing unsettling changes as they transition from adolescence.
False
The brain reaches full maturity at age 16 for girls and 18 for boys.
The brain reaches full maturity at age 16 for girls and 18 for boys.
False
The concept of "emerging adulthood" was first proposed by Jeffrey Arnett.
The concept of "emerging adulthood" was first proposed by Jeffrey Arnett.
True
Which of these is NOT a characteristic of the "WEIRD" group, as described in the text?
Which of these is NOT a characteristic of the "WEIRD" group, as described in the text?
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Emerging adulthood is essentially a universal stage, shared equally across all cultures.
Emerging adulthood is essentially a universal stage, shared equally across all cultures.
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What is the main difference between "homeostasis" and "allostasis"?
What is the main difference between "homeostasis" and "allostasis"?
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The health of a young adult can be significantly affected by their cumulative habits from earlier stages of life, such as sleep patterns, diet, and physical activity.
The health of a young adult can be significantly affected by their cumulative habits from earlier stages of life, such as sleep patterns, diet, and physical activity.
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Physical activity has minimal impact on mental health, primarily benefiting cardiovascular health.
Physical activity has minimal impact on mental health, primarily benefiting cardiovascular health.
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What is the primary focus of the CARDIA study?
What is the primary focus of the CARDIA study?
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Study Notes
Early Adulthood
- Prime time for high energy, physical labor, and reproduction.
- Body systems function optimally.
- Maximum height usually reached by ages 16 (girls) and 18 (boys).
- Brain development complete by mid-20s.
- Prefrontal cortex fully developed.
Emerging Adulthood
- Period from late teens to 20s (ages 18-25).
- Characterized by postponing adult responsibilities.
- Focused on education, jobs, and relationships.
- Emerging adulthood concept, proposed by Jeffrey Arnett.
Biological Aspects
- Organ reserve allows for exertion.
- Homeostasis maintains body balance.
- Allostasis adjusts body systems over time.
- Allostatic load accumulates from poor habits.
Health Factors
- Emerging adults generally rate their health favorably.
- Increased organ reserve contributes to resilience.
- Some experience accelerated aging (biological).
- Accumulated stressors lead to allostatic load and poor health outcomes (especially from sleep deprivation).
Worldwide Trends
- Emerging adulthood is not universal; it's primarily seen in Western, Educated, Industrialized, Rich, and Democratic (WEIRD) nations.
- Young women in many less affluent nations have fewer children than in the past.
- Increased education and career opportunities may contribute to the decision to delay having children.
Cultural Variations
- Definitions and duration may vary across cultures.
- Some cultures may define the stage's end at age 21 or 30.
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Description
Explore the stages of early and emerging adulthood, focusing on the physical, biological, and health aspects of this pivotal life stage. Understand the effects of lifestyle choices and stress on health outcomes and learn about brain development and organ reserve during these developmental periods.
