sensorimotor stage

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According to the theory of cognitive development of the Swiss psychologist Jean Piaget (1896–1980), the first stage of cognitive development, from birth to approximately 2 years of age, when the infant gradually adapts motor behaviour to sensory input to serve its motivational goals, increasing the number and complexity of its sensory and motor abilities. Compare concrete operations, formal operations, pre-operational stage.

Subjects: Psychology.

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