Teen Boys and Teen Girls And What Makes Their Brains So Very Different

The challenge of parenting teenagers

Parenting teenagers can be challenging, and unfortunately, there’s not a quick, fix-all formula for parenting your unique teen the “right way”. The physical differences between men and women are pretty obvious, but the differences in emotional development during puberty, often referred to as “the awkward stage,” stand in stark contrast. When I look at gender differences in the brain during teen years, I can’t help but say, “really God, what are you thinking?!

Teen boys: how much testosterone can they take?

When testosterone is being released into a teenage boy, his body is altering and expanding structurally. This tsunami of testosterone is coursing through his body stretching vocal cords, enlarging the testicles, thickening and lengthening the penis, increasing hair follicle growth in new places, activating muscle and bone growth, and causing the sexual-pursuit circuits to become twice as large as a girl’s. That’s a massive amount of restructuring!

Louanne Brizendine, M.D. puts it this way:

“If testosterone were beer, a nine-year-old boy would get the equivalent of about one cup a day…by age fifteen, it would be equal to two gallons a day.”

A 15-year-old boy is daily “intoxicated” by the amount of testosterone his body is producing—no wonder our teenage boys need so much sleep! Their bodies are working hard to receive the changes coursing through them.

Teen girls: why do they have so many words?

Like testosterone changes a boy’s body, estrogen changes the structure of a teenage girl’s body. At the core, this influx of estrogen is an unfolding of the ancient biological manual embedded in every woman to become sexually desirable. This rewiring is why humankind has continued to create and the continuation of life is hinged upon this process.

As estrogen makes its way through a teenage girl’s body, breasts begin to appear, emotions are heightened, awareness of the perception of others is increased, pubic hair begins to grow, and a monthly surge of estrogen-progesterone causes menstrual bleeding to begin.

Teen girls often have a lot of words and the amazing ability to talk all day (and sometimes all night) with close friends. As a girl develops, language and speech often activate the pleasure centers in their brain. This is different from a boy’s brain, where language and speech do not produce the same effects. During teen years, a girl’s language area of her brain can be twice as large as a teen boy’s.

What can these differences teach us about God?

While the knowledge of these differences is important, I believe we still need to address important questions like: how do we view differences? Do we value these things as good and designed by our Creator with love?

As a mother who has successfully made it to the other end of those parenting-teen years, I know the teenage years can be filled with many frustrations. However, I believe these years are vital in exploring the mystery of man, the mystery of woman, and the mystery of God.

When we make space to allow these male and female differences in our teens to show us the creative hand of God, we are given the chance to marvel at the depth of what we have yet to discover.

~ becky

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