Newly Generated and Non-Newly Generated "Immature" Neurons in the Mammalian Brain: A Possible Reservoir of Young Cells to Prevent Brain Aging and Disease?

J Clin Med · 2019 · PMC6571946 · PMID 31096632

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an evident trendno p-value reported

On the whole, an evident trend of reduction in adult neurogenesis has been shown to exist in mammals, from laboratory rodents to large-brained, long-living species.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.