Not fully developed; No matter one's age, still acting pre-teen to teenager attitude. Drama-oriented attitude, naturally dramatic
she may be 50, but she's got a perma-teen brain, still trying to cause adolescent drama, she still hasn't matured.
by kandiekay February 20, 2011
Get the perma-teen brainmug. Teen brains are the kind of brain that you once had during the onset of puberty until as late as your 20th birthday. This kind of brain makes the newly sexually active teen seek emotionally charged activities, thus increasing risk-taking behavior. Furthermore, MRI devices has also revealed that while the adults were using their prefrontal cortex to understand the expressions, teens were using their amygdala. The amygdala is responsible for inducing emotions and impulses, not logic and rational reasoning. In conclusion, while it is true that the size of our brains doesn’t change much beyond our 6th birthday, its under-the-hood workings are not done developing until the age of 25.
During my teen years, my brain was all about impulse and emotion; I often made decisions based on how I felt instead of thinking them through—classic teen brain behavior!
by Emotional Cruiser October 14, 2025
Get the teen brainmug.