Piaget's theory of cognitive development is a comprehensive theory about the nature and development of human intelligence. It was originated by the Swiss developmental psychologist Jean Piaget ...

Research on infant thinking suggests that babies are more complex thinkers than was once believed. There is now evidence that, by the end of their first year, children are capable of logical reasoning ...

Cognitive development continues through adulthood. Source: Isabelle Brocas In the 1930s, Jean Piaget formulated his cognitive development theory, suggesting that children progressively gain knowledge ...