Explore cognitive development theories! This PPT covers Piaget's stages (sensorimotor, preoperational, concrete operational, formal operational), Vygotsky's sociocultural theory (zone of proximal development, scaffolding), and information processing approaches. Understand how children's thinking evolves from infancy to adolescence. Key concepts: schemas, assimilation, accommodation, cognitive milestones. Perfect for educators, students, and anyone interested in child psychology! Includes real-world examples and practical applications.