Why do we retain memories if all of our cells replace themselves after a small amount of years?

Question

Why do we retain memories if all of our cells replace themselves after a small amount of years?

In: Biology

Answer 1

While there is neurogenesis (growth of new neurons) in some parts of the brain–like the hippocampus, which is involved in memory formation–this concept doesn’t really apply to the brain on the whole. When neurons die, they generally don’t come back.