You may have heard that we’re born with a huge amount of brain cells, and then we lose them steadily until we die. Now, the good news: that’s neuromythology. The new understanding is what’s called ‘neurogenesis’: Every day the brain generates 10,000 stem cells that split into two. One becomes a daughter line that continues making stem cells, and the other migrates to wherever it’s needed in the brain and becomes that kind of cell. Very often that destination is where the cell is needed for new learning. Over the next four months, that new cell forms about 10,000 connections with others to create new neural circuitry.
Quote ID: 01095
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