english: They've crossed a brain threshold much earlier, that perhaps not at age 22 or 20, but even by age 15 or 16 you can begin to see the trajectory for development is quite different at the level of the brain, not at the level of behavior.
non_english: Oni su prešli moždani prag mnogo ranije možda ne u starosti od 22 ili 20 godina nego već u starosti od 15 ili 16 počinjete da uočavate da je razvojna putanja sasvim različita na nivou mozga, ali ne i na nivou ponašanja.