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Want to Get Through to Teens? Talk to Their Brains

Understanding the whole story about puberty and the brain’s evolution gives parents the pieces to complete the puzzle on how/why teens do the things they do.

In my decade of research and writing on brain development and the brain disease of addiction, understanding the whole story about puberty and the brain’s evolution gave me the pieces that finally completed the puzzle on how/why teens do the things they do and how/why their peers are so influential and why all of this is so instrumental in the development of substance abuse problems.

If you are a parent, you know what I’m talking about. When your child is around 10 – 11, they still want to be around you, turn to you for comfort and guidance, talk to you about their day and may even still give you big hugs and take your hand. But then puberty arrives, and everyone’s world feels as if it turns upside down. And that’s because it does.

Way back in the day, man’s average lifespan was about 25 years. [Sometimes it helps to think of man as but one of the species that make up our world.]  For general, not-to-scientific discussion purposes, the brain organized into three general areas: Cerebral Cortex (includes prefrontal cortex), Limbic System and Cerebellum.  

The portions of the brain that were most used were the cerebellum – the “motor control” portion of the brain where the neural networks that control breathing, heartbeat, movement are found, and the Limbic System – the “reactionary” portion of the brain where the neural networks that control pleasure/reward, fight-or-flight, pain and emotion are found. It wasn’t until much, much later in man’s existence that the cerebral cortex (includes the prefrontal cortex) – the “thinking” part of the brain, where the neural networks that control reasoning, judgment, motivation, perception, memory and learning are found, evolved into what it is, today.

So what does all this have to do with puberty and talking to the teen brain in order to reach a teen, let alone have to do with the development of substance abuse problems?

There are three key reasons for puberty, which on average begins around age 12:

1. to develop the adult like body and the hormonal changes necessary to make the species want to have sex which then relied on the pleasure/reward pathways in the Limbic System that made the species enjoy sex enough to have it again and thereby reproduce.

2. to take risks (think of the baby bird who one days hops out the nest because something in its species triggers the timing of when it must learn to fly in order to stay safe, find food, reproduce and thereby continue the species)

3. to turn to their peers.

And believe it or not, without these three events, mankind would likely have become extent. Why? Because when a child reached age 12 way back in the day – the age of puberty – mom and dad were likely dead – remember, the average lifespan was 25 years. So there was no mom or dad to run interference. If the species did not gear up, so to speak, in order to want and have sex, take risks and turn to their peers, it would have stayed in the cave, and… well…so much for mankind.

Dr. Paul Thompson’s team has completed a time-lapse study of the brain’s development from age 5 – 20. Though this study and similar research, we now have the visual proof that the cerebral cortex portion of the brain doesn’t really start maturing until around age 16 and continues until an average age of 22 for girls and 24 for boys. It is this part of the brain that serves as the brakes on a teen’s risk taking behaviors. It is also this part of the brain that can think through actions and consequences thereof, before taking said action, and better sort through reliable sources vs. unreliable sources. It is this part of the brain that will help a teen become the adult, with the adult-like thinking, judgment, perception, reasoning skills they need to succeed. Unfortunately, it doesn’t start nor fully develop until several years after puberty begins.

Bottom line… until the cerebral cortex gets fully up and running with the critically important “thinking” neural networks in place, parents, teachers, coaches – anyone who engages with teens – need to better understand this brain development and learn how to talk to the teen brain in order to reach the teen.

For additional resources and images showing the brain's evolution and development from ages 5 - 20, check out this blog post of a similar name, Want To Get Through to Teens | Talk to Their Brains.

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Lisa Frederiksen is one of three Bay Area moms writing Parent to Parent ~ a blog sharing concerns about substance abuse. Cathy TaughinbaughParent Recovery and Life Coach and Founder of Treatment Talk, and Shelley Richanbach, Certified Addictions Specialist, Peer Facilitator and Founder of Next Steps for Women, round out the Parent to Parent team. Check back every Wednesday as one of these moms will share their expertise and personal experiences with substance use, abuse, addiction and recovery. And if you find yourself in any one of their stories, consider attending their March 3, 2013, Substance Abuse Workshop for Parents.

This post is contributed by a community member. The views expressed in this blog are those of the author and do not necessarily reflect those of Patch Media Corporation. Everyone is welcome to submit a post to Patch. If you'd like to post a blog, go here to get started.

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