Exam (elaborations)
Psych 160-Chapter 7 Questions answers latest update
- Course
- PSYCH 160
- Institution
- James Madison University
Psych 160-Chapter 7 Questions answers latest update
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Psych 160-Chapter 7Adolescence - thought to be the onset of puberty
-typically ages 12-18 (early adolescence is before 16 and late adolescence is after
16)
-they use initiative and inductive reasoning
Puberty - period of maturation during which sexual organs mature
-menarche is the 1st menstruation > for females, which is the production of ova
-spermarche=1st ejaculation for males >ejaculation signifies the sperm production
gonads - paired sex glands in M/F (testes/ovaries) which produce sex hormones
and gametes
androgens - male sex hormones (Testosterone)
-have female hormones but produce more male
-organize immature reproductive system which is suppressed until pubertal
development begins (hormonal changes begin in hypothalamus) -beneath cortex
estrogen - female sex hormones(estradiol)
-have male hormones but produce more female
,HPA axis - ***CALLED THE HYPOTHALAMUS PITURITARY ADRENAL axis
-the hypothalamus stimulates the pituritary gland >>>>>which stimulates the
adrenal glands>>>>>which releases androgens (typically
testosterone)>>>feedback loop
- triggers pituitary gland to trigger release of androgens in adrenal glands
-pituitary glands responds to signals from hypothalamus
-hypothalamus increases production of gonadotropins (folic stimulating
hormonic ) and (lureinzeing hormones)
****there is a set level to stop producing androgens when they have enough
made
primary sex characteristics - parts of the body that are directly involved in
reproduction
ex)vagina, uterus, ovaries, testes, penis
secondary sex characteristics - physical traits that are not directly involved in
reproductive but do indicate sexual maturity
ex)beard, breast, enlarging of testes
Male and female growth spurt - -girls growth spurt begins around time of breast
development, for boys it is after testicular growth
-M/F start off with the same lean body mass, but after puberty boys have more
muscle than girls and girls have more fat than boys
(girls gained 24 pounds by puberty)
, -sweat glands mature
-menarche typically begins 9-15 years of age and spermarche 10-13.5 years
-poor nutrition may delay puberty
secular trend - -Each generation has experiences puberty a few weeks earlier, and
has growth of a cm or so taller than the previous generation
-stopped in developing nations
a change occurring several generations
-onset of puberty becoming earlier
-biological limit
-puberty is unlikely to get younger in developed nations
earlymaturation - -early maturing of women will target unwanted sexual attention
from others
-reaching puberty early may be associated with depression, low self esteem poor
body image deliquincy, aggression, and early sexual behavior
late maturation - has more mixed consequences than early maturation
-boys may be smaller
-females may be overlooked when dating, but become slender
**increase adolescent vulnerability to stress
body image - perception of one's body shape and size
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