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Preoperational Stage
The preoperational stage is a concept in Piaget's theory of cognitive development, describing a stage (roughly ages 2-7) where children begin to use language and think symbolically, but their thinking is still intuitive and egocentric.
Formal Operational Stage
The final stage of Piaget's theory of cognitive development, where individuals aged 12 and above gain the ability to think abstractly, logically, and systematically.
Accommodation
In cognitive psychology, the process by which individuals modify their cognitive schemas and beliefs to incorporate new information.
Mental Structures
Complex cognitive constructs and processes that underlie human thought, perception, and understanding.
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