Section 10 Adolescence Flashcards
When do girls go through puberty (begin adolescence)?
9-15 yrs
When do boys go through puberty?
10-13.5 yrs
What is the usual difference in age between boys and girls for puberty?
2 yrs
What is a menarche?
A girl’s first period - often when puberty is ending
What is the historical trend with puberty age?
Puberty has come earlier with time
What stimulates puberty in the brain?
the hypothalamic pituitary gonadal (HPG) axis reactivated after prenatal dev to release hormones for puberty
Do circadian rhythms shift for teens?
yes they start sleeping later and longer for more development time
How do hormones effect the brain?
Hormones (ex; estrogen, dopamine, DHEA, etc) permanently reorganize the brain, change reward system, and change activity of neural systems
When is conformity the greatest?
grades 7-9 (12-15 yrs old)
how does late or early puberty affect a kid?
They can suffer from insecurity and emotional trouble from feeling different
How and when does achievement affect social groups?
By 7th and 8th grade, kids choose friends with similar academic status, and friends start influencing ones own grade trends
When is processing speed matured at adult level?
15 yrs old
When is response inhibition matured at adult level?
14 yrs old
When is working memory matured at adult level?
19 yrs old
Top causes for death in adolescence
Unintentional injuries, homocide, and suicide
What are the consequences of teens’ new priorities?
They become riskier (despite understanding risk) for social approval and death rates can increase
What are adolescent emergent changes?
focusing on social stimuli and understanding social hierarchy
What is an adolescent non-specific change?
Body growth, like prefrontal cortex growing and myelination reorganizing brain