Kurasika kwendangariro ndicho chiratidzo chinonyanya kuzivikanwa chechirwere cheAlzheimer. 

Chirwere chacho chinokonzera kuderera zvishoma nezvishoma mundangariro, ingave iri ndangariro yapakarepo kana kuti ndangariro yenguva refu. Mazuva, mazita evanhu, kana nzvimbo zvinokanganwika. Nekufamba kwenguva, murwere anenge abatwa anenge asisazive vaanogara navo.