Over the course of a lifetime, humans undergo many developmental changes, which include physical, emotional, social and intellectual changes. Many psychologists including Sigmund Freud, Jean Piaget, and Erik Erikson, have created developmental stage theories to categorize and evaluate these changes, especially social and emotional developments. In this report I will outline my lifespan development through the infant, toddler, childhood and adolescent stages of development primarily using Jean Piaget’s theory of stages of cognitive development.
In infancy, many physical and cognitive developments happen during a very short time span.…