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Infancy development physically
Quiz 1
17
Psychology
Undergraduate 2
09/22/2013

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Cards

Term
size and appearance of newborn
fontanels
lanugo
vernix caseosa
Definition
20 inches long, 7.5 pounds
fontanels- soft plates of head
lanugo- fuzzy prenatal hair
vernix caseosa- oily protection against infection
Term
childbirth complications
Definition
birth trauma, anoxia or hypoxia
postmaturirty
prematurity
low birthweight
Term
immediate treatment for prematurity
isolette
Definition
intravenous feeding
isolette-controlled environment like an incubator
kangaroo care & ICU massage- increase blood flow, speeds up development, help parents feel emotional attached to isolated baby
Term
long-term outcomes of low birthweight
Definition
greater risk of neurological and cognitive impairment, lower academic achievement, social behavior and attention problems
Term
growth height and weight
Definition
first 3 years grow fast
end of 1st year triple in weight
Term
Brain growth
Definition
neural tube closure...spina bifida prevented by taking folic acid

at birth brain is 24% of adult size
most developed part is hindbrain
develops back to front
Term
neurons
Definition
send and receive information
Term
neurotransmitters
Definition
chemical messengers
Term
myelination
Definition
fatty substance helps send faster signals...gray and white
Term
postnatal brain is molded by interactions with the environment
Definition
plasticity-molding of the brain through experience allows learning to happen

threats - sensory impoverishment, malnutrition
Term
Sensitive period in brain development
Definition
stimulation is vital when brain is grown rapidly
experience-expectant plasticity
ordinary experiences "expected" by the brain
experience-dependent plasticity
additional growth as a result of specific learning experiences
Term
early senses of touch and pain
Definition
first sense to develop, able to experience pain at birth, kangaroo care reduces pain sensitivity
Term
early senses of smell and taste
Definition
beging to develop in the womb
newborns prefer sweet tastes toxins tend to be bitter

fluids and odors may be transmitted through amniotic fluid
Term
sense of hearing
Definition
functional before birth
three day olds can tell new speech sounds from the ones they've heard already
Term
sense of sight
Definition
least developed at birth
20/20 vision reached by 6 months
binocular vision(depth) develops around 4.5 months
Term
Depth perception and fear of height
Definition
walk and gibson 1961 visual cliff experiments
Term
milestones of motor development
Definition
roll over, grasp rattle, stand alone, walk well, build tower of cubes, copying circle
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