The number of young neurons in intermediate to advanced stages of development was the same across people of all ages. (sciencenews.org)
With an electron microscope, they also looked for the characteristic long, slender, simple shapes of young neurons. (sciencemag.org)
«We don't think that what they are identifying as young neurons actually are,» says Arturo Alvarez - Buylla of the University of California, San Francisco, who coauthored the recent paper that found no signs of neurogenesis in adult brains. (sciencenews.org)