You can see here the picture of somebody's brain with Alzheimer's disease next to a healthy brain, and what's obvious is, in the Alzheimer's brain, ringed red, there's obvious damage -- atrophy, scarring.
Možete vidjeti sliku mozga osobe s Alzheimerovom bolešću i zdravi mozak, a očito je da se kod  mozga osobe s Alzheimerom, što je zaokruženo crveno, vidi jasno oštećenje – atrofija, ožiljci.