Whether the young cells that persist become neurons or glia depends on where in the brain they end up and what type of activity is occurring in that brain region at the time.

• 这些存活下来的年轻细胞，究竟会变成神经细胞还是神经胶质细胞，则要看它们出现的脑区域以及这个脑区域当时发生哪些活性而定。