PhD ThesisImprovements in healthcare and nutrition have led to increased life expectancies for people around the world, and a growing need to support the larger numbers of older people living with chronic and age-related health conditions. Although the use of digital technologies is increasingly proposed for health and social care solutions, in practice the designers of these technologies are ill equipped to actively engage older people and in particular people with syndromes such as dementia. An examination of previous work on design for older people, and people with dementia, suggests that poor design arises from a gulf in knowledge and experience between the designers and their subjects. To address this divide the KITE participatory desi...