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May 24, 2019

New neurons form in the brain into the tenth decade of life, even in people with Alzheimer’s

Posted by in categories: biotech/medical, neuroscience

In a new study from the University of Illinois at Chicago, researchers examining post-mortem brain tissue from people ages 79 to 99 found that new neurons continue to form well into old age. The study provides evidence that this occurs even in people with cognitive impairment and Alzheimer’s disease, although neurogenesis is significantly reduced in these people compared to older adults with normal cognitive functioning.

They publish their results in the journal Cell Stem Cell.

The idea that continue to form into middle age, let alone past adolescence, is controversial, as previous studies have shown conflicting results. The UIC study is the first to find evidence of significant numbers of and newly developing present in the hippocampal tissue of older , including those with disorders that affect the hippocampus, which is involved in the formation of memories and in learning.

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