first psychologist to systematically study ________
cognitive perspective (focus on changes in thinking rather than changes in behavior)
Piaget’s main theory
cognitive stages of development
Cognitive Stages of Development overview
main goal of cognitive stages of development theory
explain how infant, then child, develops into individual who can reason and think using hypotheses
3 basic components to this theory
schemas
“building blocks of knowledge” – how organize knowledge in the brain
adaptation processes (3)
equilibrium
- occurs when can assimilate all new information (if can’t, disequilibrium will occur until accommodate all info)
assimilation
using existing schemas for new things
accommodation
changing an existing schema to deal with something new
stages of cognitive development (4)
sensorimotor stage
- goal = object permanence
preoperational stage
- goal = symbolic thought
concrete operational stage
- goal = logical thought
formal operational stage
- goal = abstract thought
object permanence
know an object still exists when hidden
symbolic thought
can make one thing (a word/object) stand for something else
logical thought
can work things out in head