Presenting the most up-to-date information available about dementia and intellectual disabilities, this book brings together the latest international research and evidence-based practice, and describes clearly the relevance and implications for support and services. Recognised experts from the UK, Ireland, the USA, Canada, Australia and the Netherlands discuss good practice and the way forward in relation to assessment, diagnosis, interventions, staff knowledge and training, care pathways, service design, measuring outcomes and the experiences of individuals, families and carers.