Design Jigsaw puzzle and app for Nostalgia-based support on elderly with Dementia

In this study, authors propose the modified design Jigsaw with placed QR code at the back of the card for the elderly with Dementia. Puzzle and App designed to complement each other for Nostalgia-based support of old. Image and text are utilized to trigger previous memory those bring out shared experience from the patient. By using suitable trigger elements and group sharing, one can enhance the memory recall experience. We can divided the procedure of rice dumpling preparation and make in sequential step. First, cards are shuffled, and the elderly are asked to sort these cards to right sequence. QR scanner has modified for unstable hand member. For healthy old, the puzzle for group users provided with transparent display wall and tandem rod. In multiple theme scenarios, the different group of object making steps mixed, the player need select cards that related to a specific group. Then, one need arrange those cards in proper sequence. The qualitative testing results shown elderly enjoy the activities; participants actively talked about experiences. Those recording verified the effectiveness of the proposed method.