Contrary to popular belief, the creation of new brain cells persists throughout life (in the hippocampus at least); although the rate of neurogenesis may decline with old age, and fall massively in Alzheimer’s Disease.
Gallagher, J. (2019). New brain cells made throughout life. London: BBC Health News, March 25th 2019.
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Moreno-Jiménez, EP. Flor-García, M. [and] Terreros-Roncal, J. [et al] (2019). Adult hippocampal neurogenesis is abundant in neurologically healthy subjects and drops sharply in patients with Alzheimer’s disease. Nature Medicine. March 25th 2019. [Epub ahead of print].