Stage: Birth to two years
When: From birth until around the age of two, this period lasts.
Principal Features: Infants go through a period of rapid physical growth and development at this time, including an increase in height, weight, and head circumference. Together with cognitive development, motor skills also advance, starting with rudimentary reflexes and eventually leading to more coordinated motions like crawling, walking, and grabbing.
Stage: around 2 to 12 years (Childhood)
When: Children between the ages of 2 and 12 go through this stage.
Principal Features: Ongoing physical growth and development: Children continue to gain weight, grow taller, and develop physically as a whole. During this phase, fine motor abilities, including writing, sketching, and tool use, advance.
Stage: adolescence (Follows Childhood)
When: Adolescence normally starts when puberty sets in and lasts into the late teens.
Principal Features: Physical changes: Due to puberty, adolescence is characterized by considerable physical changes, such as the emergence of secondary sexual traits, growth spurts, and hormonal changes.
Stage: Adult (After Puberty)
When: Adulthood usually starts once adolescence and puberty are through and lasts the rest of a person's life.
Principal Features: Greater stability in the physical, cognitive, and emotional dimensions is a hallmark of adulthood. Individuals often finish growing physically and attain their physical peak.
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Answer: Human development can be broadly divided into several stages like infancy, childhood, adolescence, adulthood etc.
Explanation:
Infancy: Infancy stage spans from birth to 2 years. In this stage, infants experience rapid growth and development.
childhood: This stage extends from 2 to 12 years. In this stage, they develop physically and mentally. They will develop their linguistic ability and imaginations. Children enters formal education gradually and thus social development also takes place.
Adolescence: This stage is from 12 to 18 years. Adolescents undergo significant physical and hormonal changes. They enter into identity formation and navigate social relationships in this stage.
Adulthood: This stage starts from 18 years. Individuals establish independence, pursue higher education, and make personal goals. Personal values and beliefs will become stronger during these years.
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