Infancy

Definition

Infancy refers to the earliest stage of human life, typically from birth to around two years old, where significant physical, cognitive, and emotional development occurs.

Related terms

Sensorimotor stage: The first stage in Piaget's theory of cognitive development, where infants learn through their senses and motor actions.

Trust vs. mistrust: According to Erikson's psychosocial theory, this is the first stage in which an infant develops a sense of trust or mistrust based on how well their needs are met by their caregivers.

Object permanence: The understanding that objects continue to exist even when they cannot be seen or heard.