Human Growth and Development / Unit 9 HGD 1249 short lesson, about 20 seconds
The Dual Systems Model
Captions available
The idea
Steinberg's dual systems model holds that the reward system matures earlier than the prefrontal control system, opening a window of vulnerability to risk in middle adolescence.
In practice
Steinberg's image of a powerful engine engaged before the braking system is in place.
Where people slip
The model is influential and contested; the final segment of this unit weighs it.
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