Types of dementia
More than 100 different medical conditions can lead to dementia. Here are some of the most common conditions.
- Alzheimer's disease
Alzheimer’s disease is the most common form of dementia. It affects memory, thinking and behaviour. Learn about its causes, symptoms, stages and treatment.
- Vascular dementia
Vascular dementia is caused by damage from restricted blood flow to the brain. Learn about vascular dementia, its causes, diagnosis and treatment.
Younger onset dementia
If you're under 65 when you're diagnosed with dementia, your experience and needs can be very different.
Dementia Australia is here for you. Visit our younger onset section to find information, advice and support tailored for you.
- Lewy body dementias
“Lewy body dementias” is an umbrella term describing two forms of dementia: dementia with Lewy bodies and Parkinson’s disease dementia.
- Frontotemporal dementia
Frontotemporal dementia is a condition affecting the brain’s frontal and temporal lobes. Learn about frontotemporal dementia and its symptoms, causes and treatment.
- Alcohol-related brain injury (ARBI)
Regularly consuming alcohol at risky levels damages your brain. Learn about alcohol-related brain injury, its causes, symptoms and treatment.
- HIV-associated dementia
HIV-associated dementia is a brain condition linked to the Human Immunodeficiency Virus. Learn about its causes, symptoms, diagnosis and treatment.
- Chronic traumatic encephalopathy (CTE) dementia
Chronic traumatic encephalopathy (CTE) dementia is a brain condition caused by repeated knocks to the head. Learn more about its causes, symptoms and treatment.
- Childhood dementia
Childhood dementia is a brain condition that affects memory, behaviour, emotions and communication. Learn about its symptoms and diagnosis.
- Down syndrome and Alzheimer's disease
There is a link between Down syndrome and Alzheimer’s disease. Find out more about Alzheimer’s disease in people with Down syndrome and learn where to find support.
- Posterior cortical atrophy (PCA)
Posterior cortical atrophy (PCA) involves the loss and dysfunction of brain cells, particularly at the posterior (back) of the brain.