Human Growth and Development / Unit 9 HGD 1206 short lesson, about 20 seconds
No Fixed Finish Line
Captions available
The idea
Brain development tapers into the twenties without a fixed endpoint; the prefrontal cortex matures gradually through adolescence and into adulthood.
In practice
A headline claiming the brain is "finished at twenty-five," set beside research describing a gradual slope instead.
Where people slip
The misconception is that the brain is finished at exactly twenty-five. The figure is a simplification, not a finish line.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
Unlocks
Something wrong in this lesson? Flag it · Sources for Human Growth and Development