Unit 2: Developmental Psychology Flashcards
zygote
stage in prenatal development from conception to 2 weeks
embryo
stage in prenatal development from 2 to 9 weeks, wherein organs and primary sex characteristics begin to develop
fetus
stage in prenatal development from 9 weeks to birth
Fetal Alcohol Syndrome (FAS):
): A medical condition in which body deformation or facial development or mental ability of a fetus is impaired because the mother drank alcohol while pregnant
rooting reflex
infant reflex wherein the baby will, when touched on the cheek, turn its head toward the direction of the touch
sucking reflex
when an object is placed in the baby’s mouth, baby will begin to suck on it
grasping reflex
when touched on the palm of the hand, a baby will wrap his fingers tightly around the stimulus
Moro reflex
infant startle response; when alarmed, the baby will fling his limbs outward, then retract them and hold them close to his body
Babinski reflex
when stroked on the bottom of the foot, a baby will spread its toes
Jean Piaget
Cognitive developmental theorist; most famous for his 4-stage model of cognitive development
object permanence
awareness that things continue to exist even though they are not perceived; develops at 6-8 months of age
attachment
an emotional tie with another person; shown in infants by their seeking closeness with caregivers and displaying distress upon separation
stranger anxiety
fear of people other than those with whom the infant is familiar; appears around 8 months and peaks at 13 months
Harry Harlow
presented infant monkeys with a choice between two artificial mothers; the monkeys preferred the warm, cloth mothers to cold ones with food
Mary Ainsworth
: researcher who described attachment styles in infants as measured by the “strange situation” test