This is a really important process. It's partly dependent on the environment that the animal or the human is in, and the synapses that are being used are strengthened, and synapses that aren't being used in that particular environment are pruned away.
Este é un proceso moi importante. Depende en parte do ambiente  no que un se desenvolve. As sinapses que están a usarse vense fortalecidas e as que non se usan, nese ambiente particular, pódanse.