schemes
assimilation
accommodation
equilibriation
sensorimotor period
object permanence
egocentrism
animism
centration
core knowledge hypothesis
telelogical explanations
essentialism
mental hardware
mental software
attention
orienting response
habituation
classical conditioning
operant conditioning
autobiographical memory
one-to-one principle
cardinality principle
intersubjectivity
guided participation
zone of proximal development
scaffolding
private speech
infant-directed speech
cooing
babbling
fast-mapping
underextension
overextension
phonological memory
referential style
expressive style
telegraphic speech
grammatical morphemes
overregularization