english: The arrows indicate peak gray matter volume in prefrontal cortex. You can see that that peak happens a couple of years later in boys relative to girls, and that's probably because boys go through puberty a couple of years later than girls on average, and then during adolescence, there's a significant decline in gray matter volume in prefrontal cortex.
non_english: Puščice kažejo maksimalno količino sivih celic v prefrontalni skorji. Vidite lahko, da se vrh pri fantih zgodi nekaj let kasneje kot pri dekletih, verjetno zato, ker so fantje v puberteti v povprečju nekaj let kasneje kot dekleta, in nato v adolescenci pomembno upade volumen sive snovi v prefrontalni skorji.