While we often talk about the effects of puberty on the body, the fascinating changes that occur in the brain are often overlooked. I was sent here to talk to you about puberty. Any question? During puberty, your reproductive organs grow and mature.
Any question?
This maturation allows you to become a sexually mature adult. There are so many other changes in your body that puberty seems almost magical. I think I'll take it from here. Puberty actually starts with the brain.
At some point, usually between the ages of 9 and 14, puberty begins when a region known as the hypothalamus releases waves of a specific hormone. As easy as it is to put a child to sleep and wake an adult, this maturation is slow, and puberty lasts 4 to 5 years.
And during this expansion process,
the brain undergoes its own transformation, thanks to estrogen and testosterone, the two main players of puberty. Produced in the developing testes and ovaries, these hormones travel through the bloodstream to the brain.
Once there, they interact with receptors on neurons, changing the way individual cells act and function by making them more or less excitable, altering their growth, or their By reshaping connections. Overall, it can change the way you feel, think and behave.
For example,
hormones remodel and develop the limbic system, the collection of brain regions responsible for emotional behavior. Research in animal models shows that the amygdala undergoes changes in size and connectivity during puberty.
From detecting threats in your environment to helping you recognize emotions in your friend's faces, the amygdala has a wide range of functions. Its development allows you to better connect with your peers, while preparing your brain to learn and explore.
Similarly, puberty organizes and reorganizes the nucleus accumbens involved in reward and sensation seeking. Activity in this dopamine hub is thought to trigger the pleasurable feelings we experience when we engage in rewarding activities, such as spending time with friends or having new experiences.
Several studies have found that as hormone levels increase during puberty, so does the response of the nucleus accumbens. As a result, exploration and social engagement may feel more important during adolescence.
As these emotion and reward centers develop rapidly,
their connections with higher cortical brain regions occur over an extended timeline. These cortical areas, which help with emotional regulation and impulse control, continue to grow after puberty, well into your 20s.
While teenagers are often unfairly stereotyped as impulsive or impulsive, research reveals a more complex story. Given the time and space, young people are just as capable as adults of making thoughtful decisions.
It is only during times of high stress or in the heat of the moment that teenagers find it more difficult to control their emotions.
In addition, this prolonged cortical development allows adolescent brains to remain adaptive as they learn and grow in new situations, form their identities, and develop the skill sets required for adulthood.
As much as we know about the effects of puberty on the brain, many questions remain unanswered.
What sets off the early signals of puberty in the brain?
Why is the average onset of puberty changing earlier?
And, while hormones may seem powerful,
they may not be the whole story. Your experiences during adolescence can be as influential as hormones in the formation and maturation of the developing brain.
So while all these physical and mental changes can make you feel like puberty is under control, there's more power than you think.
The daily choices you make, from learning new skills to being a good friend to setting boundaries, ultimately shape who you are and will become. Any question?
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