Biosocial development in middle childhood (final) Flashcards
1
Q
bodily growth
A
- adiposity: increased body fat during development
- physical growth slows
- muscle mass
- adrenarche
- 2 inches and 6.5 lbs a year
2
Q
sex differences in body growth
A
- girls growth peaks 1 yr after puberty begins
- boys growth peaks 2 yrs after girls
- boys taller than girls until girls approach puberty
- growing pains
3
Q
brain development
A
- increased myelination
- corpus callous : hemispheric coordination and lateralization
- parietal lobe: sensory info, processing, language, memory, reading
4
Q
brain development…chemical changes?
A
- improve long and short term-memory
- enhanced brain connectivity and coordination improve motor and visual-spatial skills
5
Q
true or false: 95% of adult brain volume reached by age 6
A
true
6
Q
activity focused on posterior brain areas
A
integrates auditory, visual, and tactile processing
7
Q
frontal lobe development in middle childhood
A
- executive functions : working memory + inhibition = selective attention = cognitive flexibility
- being able to filter out info
8
Q
True or False: girls end puberty based on when their fathers ended puberty
A
false, based on mothers
9
Q
precocious puberty
A
early-maturing
-some girls’ 1st signs of puberty at age 6 or 7
10
Q
boys earliest pubertal signs
A
enlargement of testes and thinning or reddening of scrotum
11
Q
composition of gray and white matter
A
-peak in gray matter and increasing white matter
