There are various types of dementia. The effects of the different types of dementia are similar, but not identical, as each one tends to affect different parts of the brain. The differences are explained in the pages listed below.

	AIDS related dementia The information on this page describes AIDS related dementia, its cause, symptoms, diagnosis and treatment.
	Alcohol related dementia This page discusses alcohol related dementias, their causes, symptoms and treatment.
	Alzheimer's disease Alzheimer’s disease is the most common form of dementia accounting for between 50% and 70% of all dementias.
	Dementia with Lewy bodies Dementia with Lewy bodies is a common form of dementia, sharing many similarities with Alzheimer’s disease. This page describes dementia with Lewy bodies, its causes, diagnosis and progression.
	Down syndrome & Alzheimer's disease Research has established a link between Down syndrome and Alzheimer’s disease. This page explains what is currently known about this link, and discusses the diagnosis of Alzheimer’s disease in people with Down syndrome and some information about where to find additional support.
	Early or Younger Onset Dementia This page discusses younger onset dementia, sometimes called early onset dementia. It emphasises the importance of a correct diagnosis and some aspects of caring for someone with younger onset dementia.
	Fronto temporal lobar degeneration This page describes a group of dementias, known as Fronto Temporal Lobar Degeneration including Fronto Temporal Dementia, Progressive non-Fluent Aphasia, Semantic Dementia and Pick’s disease. It discusses their causes, diagnoses and symptoms.
	Vascular dementia Vascular dementia is the second most common cause of dementia after Alzheimer's disease.