What Are the Piaget Stages of Development? Piaget's stages of development are part of a theory about the phases of normal intellectual development from infancy through adulthood, including thought, ...

Jean Piaget’s theory of cognitive development has been a central framework for understanding how children grow and learn. His model describes development through four sequential stages: sensorimotor, ...

Spontaneous, random baby movements aid the development of their sensorimotor system, according to new research led by the University of Tokyo. Detailed motion capture of newborns and infants was ...

When her daughter was born two-and-a-half years ago, Mary Goldsberry-Troyer eagerly watched for the typical developmental milestones in her firstborn. She noted when Vivi smiled, rolled over, and took ...