Early development refers to the period of growth and maturation that occurs in humans from infancy through childhood. This research area focuses on understanding the physical, cognitive, social, and emotional changes that occur during this critical stage of life. Researchers in this field study various aspects of development, such as language acquisition, motor skills, social interactions, and brain development. They may also investigate how early experiences and environments influence later development and outcomes. Overall, early development research aims to provide insight into how children grow and learn, in order to promote healthy development and well-being in early childhood.