18% of dopamine terminals! 18%! no wonder wordfinding is so markedly worse in some people! I can't get over this magnitude of physical damage. 18%! https://tech-paper.com/scientists-finally-have-a-biological-explanation-for-why-long-covid-patients-lose-motivation-and-cant-think-clearly-they-scanned-their-brains-and-found-the-dopamine-system-was-physically-damaged/