dizygotic (fraternel twins)
monozygotic (idential twins)
period of zygote
blastocyst
hollowed zygote (attaches to uterine wall)
ectopic pregnancy
when egg installs in fallopian tube (can’t expand)
period of embryo
cephalocaudal development
development from head to tail
proximodistal development
internal organs to outwards extremities
period of the fetus
teratogens
environmental agents that can negatively affect prenatal development
teratogens important factors
alcohol
thalidomide
zika virus
two important figures in cognitive development
Piagets stages of development
1) sensorimotor (0-2)
2) preoperational (2-7)
3) concrete operational (7-12)
4) formal operational (12+)
sensorimotor stage
pre operational stage
concrete operational stage
route planning and understands conservation
- identity
- compensation
- inversion
formal operational stage
abstract thinking and hypothetical reasoning
vygotsky
socioculturel theory
- cultural context : relationships with people and environment
scaffolding and zone of prefixal development
three important figues in social development
John bowlby and Ainsworth
attachement style in infancy
Stage situation