Understanding Different Types of Dementia When most people hear the word “dementia,” one of the first things that comes to mind is “Alzheimer’s.” However, Alzheimer’s is just one cause of dementia, which is the umbrella term for decline in memory, thinking and reasoning skills that significantly impacts daily life. If a loved one is experiencing memory issues, Alzheimer’s could be a potential diagnosis, but there are four other common types of dementia that should also be considered: Lewy body, frontotemporal, vascular and mixed. Read more