Cognitive milestone of babies involves understanding object permanence, a key concept in Piaget's sensorimotor stage of cognitive development.
Cognitive milestone of a baby involves the development of skills and abilities related to thinking, problem-solving, and interacting with the environment. Object permanence is a significant cognitive milestone wherein babies understand that objects continue to exist even when out of sight, typically achieved around 8 months of age. This milestone is a key element in Piaget's sensorimotor stage of cognitive development, where infants actively explore their surroundings through senses and actions.
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