Developmental Psychology Flashcards
(96 cards)
developmental psychology
focuses on the physical, mental, and social changes that occur throughout the life cycle
nature/nurture
how do genetic inheritance influence our behavior ?
continuity/stages
is development a gradual, continuous process or a sequence of separate stages ?
stability/change
do our early personality traits persist through life, or do we become different persons as we age ?
what are the stages of prenatal development ?
(1) gestation
(2) zygote - 0-14 days; 100 cells
(3) embryo - 6 weeks; cells differentiate
(4) fetus - looks human; 9 weeks until birth
teratogens
harmful substances a fetus may be exposed to (ex: chemicals, tobacco, alcohol)
what factors affect fetus development ?
nutrition, genetics, and exposure to teratogens
rooting
turning the head and opening the mouth in the direction of a touch on the cheeck
grasping
curling the fingers around an object
stepping reflex
causes newborns to start a stepping motion as they touch a surface
sucking
sucking rhythmically in response to oral stimulation
moro (startle reflex)
throwing the arms out, arching the back and bringing the arms together as if to hold onto something (in response to loud noise or sudden change in position of the head)
babinski
baby’s toes spread outward when bottom of foot is stroked, then curl inwards
what are characteristics of “the competent newborn” ?
(1) reflexes
(2) cries
(3) preference for faces
(4) preference for mom’s voice
what are the steps in brain development ?
pruning process & maturation
maturation
orderly, sequential, biological growth pattern
motor development at 6 MONTHS old
sitting
motor development at 8-9 months old
crawling
motor development at 12 months old
standing
motor development at 15 months old
walking
infantile amnesia
(3.5 years); limited neural connections
cognition
how people know, think, and remember
schema
- a concept or framework that organizes and interprets information
- “mental mold”
assimilation
- interpreting one’s new experience in terms of one’s existing schemas
- (ex: all four legged animals are “dogs”)