MAPT and frontotemporal dementia: There are several types of dementia related to different causes (changes in the brain) such as Alzheimer’s disease (accumulation of the abnormal proteins beta-amyloid and phosphorylated tau, as well as the degeneration of nerve cells), vascular dementia (vascular pathology), frontotemporal dementia (frontotemporal lobar degeneration), dementia with Lewy bodies, and mixed types [5,6].