Object B. Madeline is seven months old. her mother is eating a cookie and madeline wants some. her mother hides the cookie under a napkin, but madeline is not fooled. she knows the cookie is still there. This exemplifies object permanence.
Understanding that things and people continue to exist even when you can't see them or hear them is a requirement for object permanence. This idea was made popular by child psychologist Jean Piaget, and it marks a significant turning point in a baby's mental growth.
Knowing that an object persists, even if it is hidden, is known as object permanence. It necessitates the capacity to create a mental schema (or representation) of the item. A toddler that has attained object permanence, for instance, will actively search out a toy if it is hidden under a blanket.
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