Change is inevitable. As humans, we constantly grow throughout our lifespans, from conception to death. Psychologists strive to understand and explain how and why people change throughout life. While many of these changes are normal and expected, they can still pose challenges that people sometimes need extra assistance to manage. The principles of normative development helps professionals to spot potential problems and provide early intervention for better outcomes.

An Introduction to Erikson’s Stages of Psychosocial Development



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Puberty is the period of human development during which physical growth and sexual maturity occurs. The word puberty is derived from the Latin pubertas , which means adulthood. Puberty is initiated by hormonal changes triggered by a part of the brain called the hypothalamus, which stimulates the pituitary gland, which in turn activates other glands as well. These changes begin about a year before any of their results are visible. Both the male reproductive hormone testosterone and female hormone estrogen are present in children of both sexes.


Puppy Timeline: How Puppies Grow up to Be Dogs
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A boy goes through many important changes during puberty. His body beefs up, his voice cracks as it changes, he becomes stronger, and he begins to mature sexually. Before you know it, your little boy has become a young man. Boys mature a little slower than girls. For boys, puberty begins at age 11 on average, although starting as early as age 9 or as late as age 14 is still considered normal.