Developmental psychology is the scientific study of how and why humans grow, change, and adapt across the course of their lives. Originally concerned with infants and children, the field has expanded to include adolescence, adult development, aging, and the entire lifespan. [1] ., Developmental psychology, the branch of psychology concerned with the changes in cognitive, motivational, psychophysiological, and social functioning that occur throughout the human life span., Developmental psychologists study how people grow, develop and adapt at different life stages. They conduct research designed to help people reach their full potential — for example, studying the difference between learning styles in babies and adults., Developmental psychology explores how people change & grow throughout different life stages, from infancy to adulthood. Key theories by Piaget, Erikson & Kohlberg offer insights into cognitive, social & moral development across the lifespan. Understanding these stages helps in fostering supportive environments that enhance growth & wellbeing., the branch of psychology that studies the changes—physical, mental, and behavioral—that occur from conception to old age and investigates the various biological, neurobiological, genetic, psychological, social, cultural, and environmental factors that affect development throughout the lifespan., Developmental psychology is a field of psychology that is focused on understanding and describing the changes that occur in human development, as well as finding ways to remediate suboptimal change and facilitate successful development..