What is dementia?

The term 'dementia' is used to describe the symptoms that occur when the brain is affected by specific diseases and conditions. Symptoms of dementia include loss of memory, confusion and problems with speech and understanding.
Read our information on types of dementia including vascular dementia, rarer causes of dementia and how dementia progresses.
For a general overview of dementia, you may wish to read our factsheet, What is dementia?
What is dementia video

