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4 Tutorials that teach Cognitive Development: Assimilation and Accommodation
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Cognitive Development: Assimilation and Accommodation

Cognitive Development: Assimilation and Accommodation

Author: Barbara Ludins

This lesson will differentiate assimilation from accommodation.

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Cognitive Development: Assimilation and Accomodation

Source: Image of coins created by Barbara Ludins; image of head powerpoint template.

Terms to Know

Either modifying an existing schema to fit new information, or creating a new schema.


Adding new information to an existing schema, or mental pattern.

Piaget’s Theory of Cognitive Development

Jean Piaget’s theory of cognitive development explains how children’s mental processes and understanding of the world changes in four stages: Sensorimotor, Preoperational, Concrete Operational, and Formal Operations.


The basic mental structures around which we construct our knowledge.