BRAINSTORM: The Power and Purpose of the Teenage Brain

This is the third installment in our brain basics blog. Let’s dive a bit more into structure today and get used to some fundamental parts, their names, and their functions. Remember, knowing the parts will enable you to link them together more effectively to create the integration that is the basis of well-being.


This is the most basic part of the brain, enabling the regulation of physiological processes such as our respiration and heart rate. In this region, too, are areas such as the reticular activating system, which control whether we are awake or asleep. Naturally, injury to this area can put us in a life-threatening situation and put us into a coma. Some researchers also place within the brainstem the important functions of our reaction to threat. These include the four F’s of fight, flight, freeze, and faint.

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