He notes that in his study there was evidence of stem cells replacing lost neurons as well as other benefits conferred by the transplant. (scientificamerican.com)
Instead, children with autism spectrum disorder (ASD) have too many neurons in this part of the brain — the amygdala — and lose neurons as they mature, according to researchers at the MIND Institute at the University of California, Davis. (health.com)
They haven't shown that the new neurons can fit into existing circuits within the brain, let alone that they could replace lost neurons in a diseased brain. (neurostemcell.org)