Thus, α-synuclein aggregation (synucleinopathy) is also characterized as dementia with Lewy bodies and multiple system atrophy [6], while tau aggregates are not specific for Alzheimer’s only and appear in a number of neurodegenerative disorders, tauopathies, including primary age-related tauopathy, progressive supranuclear palsy (PSP), frontotemporal dementia, and parkinsonism linked to chromosome 17, Pick’s disease, and corticobasal degeneration [7]. The gene discussed is MAPT; the disease is frontotemporal dementia.