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Questions and Answers
During puberty, which body parts are among the first to grow?
During puberty, which body parts are among the first to grow?
Bones become softer and less brittle during puberty.
Bones become softer and less brittle during puberty.
False
The frontal lobe of the brain continues to develop into the early ____s.
The frontal lobe of the brain continues to develop into the early ____s.
20
What significant aspect contributes to the risks associated with adolescent behaviors?
What significant aspect contributes to the risks associated with adolescent behaviors?
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Match the following body changes with their descriptions:
Match the following body changes with their descriptions:
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What are some risks associated with early maturation in girls?
What are some risks associated with early maturation in girls?
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The cerebral cortex is responsible for sexual thoughts and fantasies.
The cerebral cortex is responsible for sexual thoughts and fantasies.
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Which part of the brain is the most important for sexual functioning?
Which part of the brain is the most important for sexual functioning?
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Oxytocin is known as the hormone of ___?
Oxytocin is known as the hormone of ___?
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Match the following hormones with their functions:
Match the following hormones with their functions:
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What are the precise effects of hallucinogenic drugs influenced by?
What are the precise effects of hallucinogenic drugs influenced by?
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Marijuana can act as a stimulant.
Marijuana can act as a stimulant.
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Which of the following are negative effects of adolescent marijuana use? (Select all that apply)
Which of the following are negative effects of adolescent marijuana use? (Select all that apply)
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What stages did Jean Piaget propose in cognitive development? (Select all that apply)
What stages did Jean Piaget propose in cognitive development? (Select all that apply)
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What does adolescent egocentrism involve?
What does adolescent egocentrism involve?
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What are the recommended calorie ranges for 9-13 year old girls and boys per day?
What are the recommended calorie ranges for 9-13 year old girls and boys per day?
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Obesity in childhood can lead to a higher risk of cardiovascular disease.
Obesity in childhood can lead to a higher risk of cardiovascular disease.
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What is the term for the belief that adolescents are unique, special, and invulnerable to harm?
What is the term for the belief that adolescents are unique, special, and invulnerable to harm?
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What are some of the common eating disorders that frequently appear during the teen years?
What are some of the common eating disorders that frequently appear during the teen years?
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Drug experimentation is influenced by social norms about the risks and benefits, and adolescents may try drugs if their _______ convince them to.
Drug experimentation is influenced by social norms about the risks and benefits, and adolescents may try drugs if their _______ convince them to.
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Who proposed three moral positions related to caring for others?
Who proposed three moral positions related to caring for others?
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George Miller suggested that most people can retain about five items in short-term memory.
George Miller suggested that most people can retain about five items in short-term memory.
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Match the following psychoactive drug classes with their descriptions:
Match the following psychoactive drug classes with their descriptions:
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______ is the first stage of storage where stimuli from the environment are briefly held.
______ is the first stage of storage where stimuli from the environment are briefly held.
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What are the three ways you can retrieve information out of your long-term memory?
What are the three ways you can retrieve information out of your long-term memory?
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What is the act of getting information out of memory storage and back into conscious awareness called?
What is the act of getting information out of memory storage and back into conscious awareness called?
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Forgetting occurs because information was not properly encoded into long-term memory.
Forgetting occurs because information was not properly encoded into long-term memory.
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Forgetting is not always due to failed encoding, but can also be caused by effortful processing to __________ information.
Forgetting is not always due to failed encoding, but can also be caused by effortful processing to __________ information.
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What are the four possible combinations of the dimension of commitment and exploration in James Marcia's theory of identity development?
What are the four possible combinations of the dimension of commitment and exploration in James Marcia's theory of identity development?
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What is the 'foreclosure status' in identity development?
What is the 'foreclosure status' in identity development?
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Teens in the 'Identity-Diffusion' status have both explored options and made a commitment to an identity.
Teens in the 'Identity-Diffusion' status have both explored options and made a commitment to an identity.
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What is bicultural identity?
What is bicultural identity?
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What is multiracial identity?
What is multiracial identity?
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What are some effects of media on teens?
What are some effects of media on teens?
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Watching violent television shows and movies necessarily leads to committing violence.
Watching violent television shows and movies necessarily leads to committing violence.
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What is parental monitoring?
What is parental monitoring?
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Which of the following is true about peer relationships during adolescence?
Which of the following is true about peer relationships during adolescence?
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Peers can reinforce problem behavior through deviant peer contagion.
Peers can reinforce problem behavior through deviant peer contagion.
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Ethnic identity is the process of coming to terms with who one is based on their __________ ancestry.
Ethnic identity is the process of coming to terms with who one is based on their __________ ancestry.
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Study Notes
Physical Growth
- Adolescent growth spurt: increase in height and weight during puberty due to simultaneous release of growth hormones, thyroid hormones, and androgens
- Males experience growth spurt about two years later than females
- Growth sequence: extremities (head, hands, and feet), arms and legs, and torso and shoulders
- Non-uniform growth can make adolescent body appear out of proportion
- Bones become harder and more brittle during puberty
- Before puberty, males and females have similar fat and muscle distribution, but during puberty, males grow muscle faster and females experience a higher increase in body fat
- Heart and lungs increase in size and capacity, allowing for increased strength and endurance
Brain Growth
- Brain growth and development continue into the early 20s
- Development of the frontal lobe and maturation of the brain
- Adolescents engage in risk-taking behaviors and experience heightened emotions due to brain development
- Frontal lobes of the brain are still maturing until early adulthood
- Brain undergoes dramatic changes, but does not increase in size; instead, it becomes more interconnected and specialized
- Myelination increases, leading to improved thinking and processing skills
- Different brain areas mature at different times, leading to a "mismatch" in development
Physical Changes in Adolescence
- Adolescence begins with the onset of puberty, characterized by rapid physical changes and hormonal changes
- Puberty is the second most rapid growth period in life, after the prenatal period
- Timing of puberty varies across cultures, but typically occurs between ages 9-14 for girls and 10-17 for boys
- Puberty is divided into two phases: release of sex hormones and development of primary sex characteristics
- Secondary sexual characteristics include visible physical changes that signal sexual maturity
Male and Female Anatomy
- Male anatomy includes internal and external genitalia, and the production of sperm
- Female anatomy includes external genitalia (vulva, labia, and clitoris), internal reproductive organs (vagina, uterus, fallopian tubes, and ovaries), and a monthly reproductive cycle
Effects of Puberty on Development
- Age of puberty is decreasing, influenced by better nutrition, stress, obesity, and endocrine disrupting chemicals
- A century ago, the average age of a girl's first period was 16, but today it is around 13
- There is no clear marker of puberty for boys, making it harder to determine if they are maturing earlier
- Puberty can be a source of pride or embarrassment, and early or late maturation can lead to social and emotional challenges
The Brain and Sex
- The brain translates nerve impulses from the skin into pleasurable sensations, controlling nerves and muscles used during sexual behavior
- The cerebral cortex, limbic system, and hypothalamus regulate sexual functioning
- Destruction of certain areas of the hypothalamus can eliminate sexual behavior
Hormones
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Secreted by the pituitary gland, hormones regulate sexual function and motivation
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Oxytocin, also known as the "hormone of love," is released during orgasm and involved in maintaining close relationships
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Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) stimulate ovulation and sperm production
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Vasopressin is involved in male arousal, and estrogen and progesterone regulate female sexual motivation### Adolescent Development
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Adolescent brain development is influenced by environmental and social factors, including work, homework, media, technology, and socializing.
Physiological Changes
- During puberty, the rate of physical growth slows down.
- Girls stop growing taller around age 16, while boys continue to grow until ages 18-20.
- There are significant psychological and emotional changes during this life stage, including a desire for independence and individual identity formation.
Nutrition and Eating Habits
- Healthy eating habits are essential for growth and development.
- Some adolescents may experience food insecurity, which can impact motivation and behavior.
- The need for food is a fundamental human need, and people will go to great lengths to attain it when hungry.
- Keys and colleagues found that individuals on severely reduced-calorie diets lost interest in sex and social activities, becoming preoccupied with food.
Abraham Maslow's Hierarchy of Needs
- Human beings have needs that are hierarchically ranked, with basic physiological needs (e.g., food, water) being the most fundamental.
- Once basic needs are met, higher-order needs (e.g., safety, love/belonging, esteem, self-actualization) can be addressed.
- Satisfaction of lower-level needs is necessary before addressing higher-level needs.
Weight Management
- Forming good eating habits and engaging in fitness activities help maintain a healthy weight and develop lifelong habits.
- To control weight, it is essential to eat fewer calories and exercise more.
- Caloric requirements vary by age, gender, growth, and activity level.
Exercise
- Exercise improves overall mental health, reduces stress, and enhances feelings of well-being.
- It also increases cardiovascular capacity, lowers blood pressure, and improves joint flexibility and muscle strength.
Eating Disorders
- Eating disorders typically appear during the teen years or young adulthood.
- Risk factors include genetic, biological, behavioral, psychological, and social factors.
- Common eating disorders include anorexia nervosa, bulimia nervosa, and binge-eating disorder.
Treatment of Eating Disorders
- Treatment involves adequate nutrition, discontinuing destructive behaviors, and individualized therapy (medical care, nutritional counseling, medications, and psychotherapy).
Drug and Substance Abuse
- Drug use can lead to physical problems, cognitive impairment, and long-lasting consequences on cognitive development and social-emotional development.
- Factors influencing drug use include socialization, peer pressure, and misperceptions about risks and benefits.
- Psychoactive drugs can change states of consciousness, perception, and mood.
- There are four primary classes of psychoactive drugs: stimulants, depressants, opioids, and hallucinogens.
Stimulants
- Stimulants block the reuptake of dopamine, norepinephrine, and serotonin, increasing activity in the sympathetic nervous system.
- Effects include increased heart rate, pupil dilation, and decreased appetite.
Depressants
- Depressants slow down consciousness, reducing CNS activity.
- They are often used to relieve pain and induce sleep.
A Closer Look at the Danger of Adolescent Alcohol Use
- Alcohol is the oldest and most widely used drug of abuse in the world.
- Short-term health risks include injuries, violence, and risky sexual behaviors.
- Long-term health risks include chronic diseases, cancer, learning and memory problems, and mental health issues.
Opioids
- Opioids increase activity in opioid receptor neurons, producing euphoria, analgesia, and slower breathing.
Hallucinogens
- Hallucinogens alter sensation and perception, creating hallucinations.
- Examples include LSD, PCP, cannabis, mescaline, and peyote.
A Closer Look at the Danger of Adolescent Marijuana Use
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Marijuana is the most widely used hallucinogen.
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It can have harmful and long-lasting effects on an adolescent's health and well-being, including difficulty thinking and problem-solving, impaired coordination, and negative effects on school and social life.### Dependence and Addiction
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Dependence can be psychological or physical, with psychological dependence involving a desire for a drug as part of everyday life, while physical dependence involves withdrawal symptoms.
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Withdrawal is a set of negative experiences that occur when drug use is stopped or reduced, including physical pain.
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Addiction is a strong craving for a drug, leading to continued use despite negative consequences.
Maintaining Emotional Health
- Emotional regulation is the ability to control emotions, leading to positive health outcomes.
- Stress reactions are useful in warning about potential danger, but need to be controlled to prevent behavioral issues.
- Stress can be managed using coping strategies, leading to better emotional regulation.
Cognitive Development in Adolescence
- Teenagers develop abstract thought, considering multiple perspectives and hypothetical situations.
- Cognitive empathy, or the ability to take others' perspectives, increases during adolescence.
- Girls develop cognitive empathy around 13 years old, while boys develop it around 15 years old.
Cognitive Changes in the Brain
- Early adolescence sees changes in dopamine, a neurotransmitter producing pleasure and contributing to sensation-seeking and reward motivation.
- Later adolescence sees the development of the prefrontal cortex, responsible for forming judgments and controlling impulses.
- Risk-taking behavior is more common during middle adolescence due to the development of different brain regions.
Cognitive Theorists
- Jean Piaget proposed the formal operational stage of cognitive development, characterized by abstract thinking and hypothetical reasoning.
- David Elkind expanded on Piaget's theory, highlighting adolescent egocentricity and the construction of an imaginary audience.
- Lawrence Kohlberg developed a moral development theory, proposing six stages of moral reasoning, including a focus on justice and right.
- Carol Gilligan proposed a morality of care, valuing human responsibilities and care for others.
Information Processing Theory
- Memory is an information processing system, involving encoding, storage, and retrieval of information.
- Encoding is the input of information into the memory system, involving automatic and effortful processing.
- Storage involves the retention of encoded information, passing through three stages: sensory memory, short-term memory, and long-term memory.
- Long-term memory has no capacity limits, while short-term memory is limited to around seven items.
Studying That Suits You
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Description
This quiz explores how ethnic minorities identify with the culture of their surroundings, and to what extent they combine, keep separate or reject their cultural identities.