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PSYC 2314 Lifespan Development

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PSYC 2314 Lifespan Development Chapter 14 Adolescence: Biosocial Development – PowerPoint PPT presentation

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Title: PSYC 2314 Lifespan Development


1
PSYC 2314Lifespan Development
  • Chapter 14
  • Adolescence
  • Biosocial Development

2
Puberty Begins
  • Ages 11 to 20
  • Begins when adrenal glands and gonads (sex
    glands) release hormone production, GH (growth
    hormone) and GnRH (gonad releasing hormone),
    respectively.
  • Testosterone and estrogen

3
Puberty Begins
  • Physical growth during puberty usu. begins
    sometime between 8 and 14.
  • The normal age of menarche varies widely, from
    9-18 years.

4
Impact of Puberty
  • Emotional
  • Hormonal levels make a relatively small direct
    contribution to the daily emotional changes of
    puberty.
  • Psychological
  • Indirect impact of visible changes, which is
    powerfully influenced by the values and
    expectations of the developing persons family,
    peer group, and culture.

5
Stress and Hormones
  • The interaction of biogenetic and psychosocial
    factors affects hormone production.

6
The Growth Spurt
  • Between 10 and 14, a typical girl gains about 38
    lbs. and 9 5/8 inches a typical boy, 42 lbs. and
    10 inches, between 12 and 16.
  • Internal organslung and heartalso grow, which
    give the adolescent increased physical endurance.

7
The Growth Spurt
  • During puberty, oil, sweat, and odor glands
    become more active, producing acne in
    approximately 90 percent of all boys and 80
    percent of all girls and a need for deodorants in
    most. ?
  • Nutritional requirements include a need for
    additional calories and about 50 more calcium,
    iron, and zinc.

8
Sexual Characteristics
  • Primary Sex Characteristics
  • Menarche
  • Spermarche
  • Attitudes toward menarche and spermarche have
    changed over the past two decades.

9
Sexual Characteristics
  • Secondary Sex Characteristics
  • Breasts and pubic hair in girls
  • Pubic and facial hair and lowering of the voice
    in boys

10
Body Image
  • Self Appraisal
  • Impact on Self Esteem
  • Gender Differences
  • Social Environment Influences

11
Sexual Abuse
  • Childhood sexual abuse any erotic activity that
    arouses an adult and excites, shames, or confuses
    a young personwhether or not the victim protests
    and whether or not genital contact is involved.
  • Onset of sexualized adult-child interaction is
    typically between 8 and 12.

12
Factors Determining Damage
  • Repeated Incidence
  • Distorted adult-child relationships
  • Impairment of the childs ability to develop
    normally

13
Drugs
  • Drug abuse the ingestion of a drug to the
    extent that impairs the users well-being, either
    biologically or psychosocially, significantly
    more than it helps the person.
  • Drug addiction a persons dependence on a drug
    or a behavior in order to feel physically or
    psychologically at ease.
  • Drug use the ingestion of a drug, regardless of
    the amount or effect of ingestion.

14
Drugs
  • Drug use is increasing among younger adolescents.
  • Gateway drugs tobacco, alcohol, and marijuana
    act as the door opening to regular use of
    multiple drugs.

15
Influences of Drugs
  • Tobacco limit growth spurt
  • Alcohol loosens inhibitions and impairs
    reasoning
  • Marijuana seriously slows down thinking
    processes and may produce a lack of motivation
    and indifference toward the future.

16
Measurements
  • Education
  • Strict drunk-driving laws
  • Higher prices of alcohol and cigarettes
  • Harsher punishments for those who sell tobacco
    and alcohol to minors
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