Normal Development Flashcards
time frame for prenatal
conception - 8 weeks
time frame for fetal
8 weeks - birth
timeframe for infancy
birth - 15 months
time frame for toddler
15 months - 2.5 years
time frame for preschool
2.5 years - 6 years
time frame for middle childhood
6 - 12 years
when is fetal movement typically detected
16-20 weeks
what is pruning
programmed cell death during the development of neurons, synapses, axons, and other brain structures
why does pruning occur
to eliminate cells that served their purpose in the development of the brain
what are some common drugs with teratogenic effects
antibiotics
anticonvulsants
progesterone-estrogens
lithium
warfarin
what makes an infant premature
birth before 34 weeks
OR weigh less than 5.5lbs
when is a baby considered postmature
2weeks after due date
when do infants start to vocalize (other than crying)
approximately 8 weeks
endogenous smiling
occurs spontaneously for first 2 months unrelated to stimuli
when does exogenous smiling begin
approximately 16 weeks
what happens when infant is separated from the mother for a prolonged period during the second 6 months of life
can develop depression that can persist into adulthood
what are the 3 attachment styles
secure attachment
insecure/avoidant attachment
insecure/ambivalent attachment
insecure/avoidant attachment
-anxious, clingy and angry with parent
-typically parents are also insecurely attached
insecure/ambivalent attachment
-raised by disorganized, neglecting, and inattentive parents
-more likely to be inconsolable in distress
-more likely to suffer mood swings, act out, and be oversensitive to stress
when is stranger anxiety considered normal
expected around 26 weeks