Explain the significance of the process of apoptosis for brain development.?

Answer 1

Very briefly, a lot more brain cells are formed than are needed. If a particular cell doesn't form appropriate synapses, it dies by apoptosis.

Answer 2

apoptosis occurs very rapidly while a human embryo is still developing, as other major organs form, and the embryo begins to move, the brain develops at a staggering pace. However, many neurons die off in a process i believe is called neuronal Darwinism. Basically, in this process, brain cells that lack sufficient connections will kill themselves in a orderly, planned fashion instead of necrosis, which can harm nearby cells. This process is continuous, with neurons dying every day at a very slow pace.