Dementia is a clinical syndrome of cognitive decline that includes a range of cognitive and behavioural symptoms caused by a variety of underlying pathophysiological processes. This includes Alzheimer’s disease, vascular dementia, mixed dementia, dementia with Lewy bodies and frontotemporal dementia.1,2 There is overlap between the clinical symptoms and pathophysiological processes of these diseases.1 As well as the cognitive impact, dementia has a physical, psychological, social and economic impact for both people with dementia and their carers and families, and presents challenges for society and healthcare systems.