Designing for Everyday Sounds at Home with People with Dementia and their Partners

Title of the Paper

Designing for Everyday Sounds at Home with People with Dementia and their Partners

Paper Information

• Research Area: Designing for dementia home care in an aging society, Human-Computer Interaction (HCI)
• Keywords: Dementia, design, everyday sounds, home, informal caregivers, co-design, sound interaction, user experience, emotional well-being, social participation

Research Background and Problem

• Key Issues/Challenges Identified by the Authors:

  1. People with dementia and their caregivers lack tools in the home environment to support socio-emotional interaction and recreational activities.
  2. While music has been widely used to improve dementia care, the potential of everyday non-musical sounds in home settings remains underexplored.
  3. Early to mid-stage dementia patients require psychosocial interventions, but existing technologies primarily focus on reminders or safety aids, neglecting social and emotional interactions.

• Significance:

  1. The aging population is leading to a growing number of dementia patients, making it crucial to explore ways to improve their quality of life at home along with their caregivers.
  2. Supporting dementia patients to remain at home aligns with the preferences of patients and their families and helps alleviate the burden on healthcare systems.

• Research Motivation and Related Work:

  1. In institutional care, sound has been shown to evoke memories and promote social interaction, but how to translate this experience to the home environment remains unclear.
  2. Current HCI research has begun exploring technological possibilities for dementia care, but there is limited focus on personalized and diverse sound design.
  3. The researchers aim to explore emotional interaction and social connection in dementia care through technological design and sound experiences.

Proposed Solution

• Proposed Approach: A novel interactive audio device called "Tumbler" was proposed and developed to help people with dementia and their informal caregivers communicate and engage emotionally at home through personalized everyday sounds.

• Innovative Features:

  1. A three-phase co-design approach was adopted, involving dementia patients and their caregivers in the development process to ensure the design meets user needs.
  2. Introduces everyday non-musical sounds as a novel emotional trigger, moving beyond traditional music therapy.
  3. Combines intuitive interaction design (e.g., rolling, shaking) with rich personalized sound content (e.g., story prompts, ambient sounds) to avoid complex operations.

• Implementation Steps:

  1. Exploration Phase (Phase 1):
     • Deploy sound devices in participants' homes and document their daily interaction experiences with the devices.
  2. Interaction Study (Phase 2):
     • Provide three prototype devices (music box, radio, turntable) to test and collect user feedback on interaction modes.
  3. Prototype Development and Testing (Phase 3):
     • Develop the "Tumbler" prototype based on data from the first two phases and test its usability, interaction experience, and potential for daily use in home environments.

Research Outcomes

• Specific Achievements:

  1. Designed and built the "Tumbler" device: a rolling interactive speaker that allows users to switch sound content by tilting the device, supporting personalized sound playback.
  2. Facilitated emotional connections between dementia patients and caregivers through sound-triggered conversations.
  3. Provided users with opportunities to explore deep-seated memories, promoting spontaneous and social behaviors.

• Advantages Over Existing Solutions:

  1. Moves beyond existing music therapy by integrating everyday sounds into home settings, achieving truly personalized care.
  2. Eliminates the need for learning complex device functionalities, as tactile and auditory stimuli are sufficient to prompt interaction.
  3. The aesthetically pleasing device design fits various home styles, encouraging daily use by users.

• Experimental/Evaluation Results:

  1. Users reported that the "Tumbler" device was simple and intuitive, with sound content that adapted well to their emotional and interactional needs.
  2. Observations showed that sounds elicited non-verbal emotional expressions from dementia patients and prompted active interactions with their caregivers.

• Limitations and Future Directions:

  1. The current study involved only three families, resulting in a relatively small sample size.
  2. Long-term home usage has not yet been tested; future research should explore the device's sustainability and long-term effects.
  3. The physical characteristics of the device could be further optimized to meet the needs of different groups (e.g., users with weaker hand strength).