egocentrism - contemplation of the world exclusively from child's personal perspective
stage 6 of cognitive development - new means through mental combinations
18-24 months
mental combinations
deferred imitation
types of developmental psychology research - longitudinal
cross-sectional
cross-...
DEP2004 Midterm
egocentrism - contemplation of the world exclusively from child's personal perspective
stage 6 of cognitive development - new means through mental combinations
18-24 months
mental combinations
deferred imitation
types of developmental psychology research - longitudinal
cross-sectional
cross-sequential
longitudinal research - collecting data repeatedly on the same individuals
cross-sectional research - groups of people of one age are compared with people of another age
but are similar in other characterisitcs
cross-sequential - study several groups of people at different ages (a cross-sectional approach)
and follow them over the years (a longitudinal approach)
reflexes - an unlearned, involuntary action or movement in response to a stimulus
occurs without conscious thought
types of reflexes - babinski
moro
rooting
stepping
, palmar
babinski - fans or spreads toes in response to a stroking foot usually disappears at end of first year
moro (startle) - back arches, legs and arms fling out and then brought back to chest in hugging
motion when position suddenly changed, loud noise or bump
lost 6-7 months
rooting - baby turns head and mouth toward stimulus that strokes the cheek, chin or corner of
mouth, facilitates finding mothers nipple for sucking
stepping - mimics walking when held under arms
usually disappears by 3 or 4 months
palmar (grasping) - using 4 fingers, babies grasp fingers/objects, pressed against the palms of their
hands.
most babies support weight
lost by 3-4 months, voluntary grasping 5-6 months
head sparing - biological mechanism that protects the brain when malnutrition disrupts body
growth
brain is last effected
transient exuberance - great but temporary increase in the number of dendrites that develop in
an infants brain during the first two years of life
experience expectant brain functions - brain functions require certain basic common experiences
in order to develop normally
experience dependent brain functions - brain functions depend on particular, variable experiences
and therefore may or may not develop in a particular infant
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