Pick out the perfect toy for your kids, grandkids, nieces, and nephews this holiday season by knowing how it helps their physical, mental, and social development. Pediatrician Cindy Gellner, MD, talks ...

Stage 1 of Kegan’s development, the Impulsive Mind, occurs in early childhood, which we won't explore today. Stage 2: The Imperial Mind This stage is about getting your own needs met, as opposed ...

The stages were named after psychologist and developmental biologist Jean Piaget, who recorded and studied the intellectual development and abilities of infants, children, and teens.

Piaget’s stages of development describe how children learn as they grow up. There are four distinct stages: sensorimotor, preoperational, concrete operational, and formal operational. Jean ...