Answer;
-Early childhood
Early childhood is the period of life when humans change the fastest and learn the most.
Step-by-step explanation;
-Early childhood, defined as the period from birth to eight years old, is a time of remarkable growth with brain development at its peak.During this stage, children are highly influenced by the environment and the people that surround them.
-How a child develops during this time affects future cognitive, social, emotional, language, and physical development, which in turn influences school readiness and later success in life. During early childhood, the human brain grows to 90 percent of its adult size by age 3. At this period children reach developmental milestones such as emotional regulation and attachment, language development, cognitive development and motor skills.