chapter 5 biosocial development Flashcards
most notable time for physical changes
first 12 months
birthweight doubles by
4 months
how many hours do newborns sleep a day?
17 hours
%’s of adult brain size for infants during early brain development?
25% at birth
75% by age 2
long thin nerve cells that
make up nervous system
neurons
what percent of neurons are in the cortex?
70%
what nerve fibers send impulses?
axons
which nerve fibers receive impulses?
dendrites
nerve fibers that carry info from axon to dendrites?
neurotransmitters
the critical communication links with brain?
synapse
Period of exuberance?
first 2 years
1 neuron can connect to how many other neurons?
15,000
what time of memory is limitless and permanent?
long term memory
the effect of too much stress
overproductions of stress hormone, brain loses ability to react to stress normally
experience expectant
require common experiences to develop normally (language)
experience dependent
depend of particular and variable experiences to develop (type of language)
sensory system when it detects stimulus
sensation
mental procession of sensory information
perception
thinking about what is perceived
cognition
examples of gross motor skills
large muscles, body movements
crawling, walking
sense of balance (needs brain)
examples of fine motor skills
hands, fingers, adjust reach
develops slower
SIDS
sudden infant death syndrome
formula fed
left baby alone
second hand baby smoke
benefits of breast milk
colostrum
easily digestible
antibodies
eriksons first two stages
trust and mistrust: basic needs need to be met with consistency and sameness
autonomy vs shame: desire for self rule and to feel ashamed if it doesnt happen
in first year, first discernable emotions
distress
content
later emotions of first year
anger, fear, stranger wariness
new emotions in second year
pride, shame, embarrassment
laughing and crying discriminative
self awareness occurs in what months?
15-18 months “me self”
3 types in the strange situation?
secure, insecure, disorganized behavior
2 results of insecure response
avoidance, resistant