Genetic evidence that our brains make new neurons in adulthood may close a century-old debate.

The article focuses on a study that provides evidence for neurogenesis, the process of generating new neurons in the adult human brain, particularly in the hippocampus, which is crucial for learning and memory. Utilizing artificial intelligence and single-cell RNA sequencing, researchers identified cells in adult human brain tissue that exhibit genetic markers of neural progenitors, suggesting that some adults can produce new neurons, albeit at a slower rate than in developing brains. The findings indicate significant variability among individuals regarding the presence of these progenitor cells, with some adults showing no signs of neurogenesis at all. The study aims to further explore how neurogenesis may influence cognitive functions, including potential implications for conditions like Alzheimer's disease. [Extracted from the article]