These stages of human development are influenced by biological, ... By this stage in Erikson’s psychosocial development theory, children are elementary-school age.

In it, he delineates four stages in which intelligence grows, from birth through adolescence, also known as Piaget’s Four Stages of Cognitive Development: The Sensorimotor Stage: Birth to 2 ...

Sigmund Freud developed a five-stage model of human development, each stage with its own characteristics and challenges. Not only was this a useful way of viewing our growth, but he believed that ...

Now, for the first time, scientists have captured images and video in real time of these early developmental stages, offering exciting insights into the long-standing "mystery" of human development.

Scientists have created synthetic blobs that resemble a 14-day-old human embryo for the first time, meaning they can study embryo development beyond a particularly tricky period of pregnancy.