reversibility

n. in Piagetian theory, a mental operation that reverses a sequence of events or restores a changed state of affairs to the original condition. It is exemplified by the ability to realize that a glass of milk poured into a bottle can be poured back into the glass and remain unchanged. Reversibility can be expressed in terms of negation or compensation. See also conservation.

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Psychology term of the day

December 18th 2024

posterior commissure

see commissure.