The first stage of mental development according to theorist Jean Piaget. During the first two years of life children learn about the world through their five senses: touch, taste, hearing, vision, and smell.
according to Piaget, from birth to age 2, infants and toddlers learn by doing: looking, hearing, touching, grasping, and sucking.
the Piagetian stage, from birth through the second year, during which the infant learns to coordinate sensory experiences and motor behavior. (118)
In Piaget's theory, the first stage of cognitive development, during which infants (from birth to approximately 2 years) learn through their developing senses and motor activities. (121)
The first stage in Piaget's theory of cognitive development in which infants acquire information about the world through their senses and respond reflexively. go to glossary index
In Piagetian theory, the first stage of cognitive development, from birth to approximately two years of age, in which thought is based primarily on action.
Piaget?s first stage of cognitive development (birth-2 years) during which the infant discovers relationships between sensations and motor behavior. See also object permanance.