This book gathers the revised and selected contributions to the 6th Dementia Lab Conference, D-Lab 2022, held on September 20-22, 2022, in Leuven. It describes original and innovative research on how design can contribute to the quality of life of people with dementia, their loved ones, and caregivers. The papers highlight the value of participation within design, analyzing it at three levels: personal, product, and organizational. The presented ideas and findings address 'The Residue of Design' and go beyond the initial impact of the design itself by looking at what benefits design research...