Now that might sound bad, but actually this is a really important developmental process, because gray matter contains cell bodies and connections between cells, the synapses, and this decline in gray matter volume during prefrontal cortex is thought to correspond to synaptic pruning, the elimination of unwanted synapses.
To možda zvuči loše, ali u stvarnosti je ovo zaista važan razvojni proces, zato što siva tvar sadrži stanice i veze među stanicama, sinapse, te se ovo smanjenje obujma sive tvari u prefrontalnom korteksu smatra ekvivalentom sinaptičkom obrezivanju, eliminaciji neželjenih sinapsi.