1 / 28

Adolescence – Biosocial Development

Adolescence – Biosocial Development. Ages 11 to 18 What body changes develop during adolescence?. When does Puberty begin?. Menarche = First menstrual period Spermarche = First ejaculation Between 8 & 14 2/3 of the variation is genetic. What are the changes in Puberty?.

chandler
Télécharger la présentation

Adolescence – Biosocial Development

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Adolescence – Biosocial Development Ages 11 to 18 What body changes develop during adolescence?

  2. When does Puberty begin? • Menarche = First menstrual period • Spermarche = First ejaculation • Between 8 & 14 • 2/3 of the variation is genetic

  3. What are the changes in Puberty?

  4. What Physical changes occur? • For girls • Breast development – growth spurt – menarche • For boys • Testes – initial pubic hair - spermarche

  5. What is the Growth spurt? • Typical growth spurt • Weight – Height – Muscle

  6. What organs increase? • Lungs triple in size • Heart doubles in size • Skin becomes oilier (acne) • Pubic hair develops

  7. How do glands change? • Hormones are secreted from: • Pituitary gland • Regulates growth • Controls adrenal and sex glands • Adrenal glands begin producing • Stress hormones epinephrine (adrenaline) and norepinephrine • Gonads • Ovaries – female- Produce Estradiol (Estrogen) and Ova • Testicles – male – Produce Testosterone and sperm • Each sex produces an increased small amount of the other sex hormone

  8. How do hormones effect emotions? • Relationship is Reciprocal • Hormones and trigger emotions, and emotions can trigger hormones Emotions Hormones

  9. What happens to adolescent logic and emotions? • Excitement and emotional areas (Limbic system & Amygdala) develop before emotional regulation, analysis, and impulse control (Prefrontal cortex) develops. • When emotions are intense, the logical part of the brain shuts down • Deaths from accidents • Fun of immediate sex VS pregnancy & STD’s

  10. Do you remember? • What signals the beginning of puberty in boys and girls? • In what order does the growth spurt occur? • What are the changes in organs and glands? • What is the relationship between hormones and emotions? • What is the relationship between adolescent emotions and logic?

  11. What effect does puberty have on body rhythms? • Circadian rhythms (the day – night cycle) • Puberty alters the body rhythms • E.g. Awake at midnight and sleeping in the morning

  12. How does body fat effect puberty? • Obesity = early onset of puberty • Malnutrition = late onset of puberty • Dramatic loss of weight will cause your period to stop • Concentration camp • Marathon training

  13. How does stress effect puberty? • Family conflict & stress = early onset of puberty • Stress hormones are a direct cause of early puberty • Genes may be a factor • Early puberty = early sex • Increased sexual risk taking – More partners, pregnancies, & diseases

  14. Why is Hitting puberty at normal ages is best? • Early maturing girls • May be teased by boys • Lower self-esteem • More depression • Poorer body image • Early maturing boys • More aggression • Law-breaking • Alcohol-abusing • Early maturing in both sexes • Sexual activity & pregnancy = depression and other psychosocial problems

  15. Do you remember? • What are the circadian rhythms that effect puberty? • How does body fat effect puberty? • What is the effect of family stress and conflict on puberty? • Why is hitting puberty at normal ages best?

  16. Nutrition

  17. Body image • Anxiety about body image • Girls = Diet to get thin • Boys like thin girls • Boys = Taller and stronger • Girls like tall strong boys

  18. How do eating disorders effect adolescents?

  19. How does Anorexia effect adolescents? • Self-starvation • Sees herself as fat when she is not • Fear of weight gain • Absence of menstruation • (Both adolescents and adults) • BMI = 18 or lower

  20. How does bulimia effect adolescents? • Binge (Compulsive overeating) and purge (Vomiting and laxatives) • Close to normal weight • Hormones • Childhood eating patterns • E.g. “eat everything on your plate”

  21. What can cause disordered eating? • Origins • Culture – Fast food culture • Stress – Comfort food • Puberty • One strategy to reduce eating problems • Family eating together during childhood

  22. Do you remember? • What is anorexia? • What can cause it? • What is bulimia? • What can cause it? • What is one strategy to reduce eating problems?

  23. What Sexual Maturation occurs? • Primary sex characteristics • Directly involved in reproduction • Uterus and testes grow • Secondary sex characteristics • Not directly involved in reproduction • Beard and breasts

  24. What factors effect Sexual activity? • Hormones - Thoughts and emotions • Society (Social context) - shapes thoughts, fantasies, shame, guilt, actual behavior • Religion – Shapes behavior • Virginity pledge • Delays first intercourse • Increases later pregnancy due to not using protection

  25. What are the effects of early pregnancy? • Pregnant before age 15 • High blood pressure • Spontaneous abortion • Still born • Low birth weight • Other lifelong medical, educational and social problems • Poverty • Lack of education • No husband • Depression • Drug use

  26. Do you remember? • What changes does sexual maturation produce? • What are the effects of early pregnancy?

More Related