Hippocampus is special. It has stem cells to form new brain cells, probably temporarily in order to consolidate memory. It may shrink during stress and depression and then grow again later. This is quite unique in the brain, and one should not generalize about the rest of the brain from this special case.
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Hippocampus is special. It has stem cells to form new brain cells, probably temporarily in order to consolidate memory. It may shrink during stress and depression and then grow again later. This is quite unique in the brain, and one should not generalize about the rest of the brain from this special case.