Time is increasingly researched in HCI, yet design often remains tied to normative temporal constructs, e.g., clocks and calendars. This is especially limiting in dementia contexts, where temporal experience is altered. Existing approaches largely enforce normative time and overlook futures, prioritizing the past for people with dementia. To explore how people with dementia and their partners experience time, we designed the Temporal Snapshots probe for 12 participants to reflect on temporal subjectivity across past and future moments. The probe surfaced layered narratives. Participants articulated fluid temporal associations, anchored narratives to personally meaningful moments, and situated themselves within future and past trajectories. We contribute empirical insights into how couples experience subjective time, a dual temporal lens for HCI, design directions for reframing time in dementia contexts, and methodological reflections on researching temporality. We foreground time as relational and co-constructed, challenging assumptions of linearity and fixed orientation in interaction design.

Professional caregivers want to provide feelings of security and comfort to people with dementia in advanced care, but limited resources frequently restrict professional caregivers from doing so. One potential solution to make social, non-verbal connections with people in advanced dementia care is the use of artifacts that offer comfort and stimulating tactile experiences. In this study, we explored the role of two design artifacts, the Mano Quilt, a weighted blanket, and the Mano Fold, a foldable pillow, in supporting caregivers to increase feelings of comfort and security in people with advanced dementia through warmth. In a field study, we collected data through observations of 26 residents with dementia who interacted with the two artifacts and 17 interviews with their formal caregivers in three care organizations. We reveal which aesthetic and material qualities evoke haptic and bodily experiences such as presence, comfort, and activity and how the artifacts support existing caregiving practices. We encourage future researchers to design to enrich the senses as an aesthetic experience and provide emotional support and companionship to increase well-being for people with advanced dementia.

Intertemporal reflection, flexibly thinking forward and backward in time, is vital for one's future planning.Yet, cultivating intertemporal reflection about encountering difficult futures, e.g., developing a progressive cognitive condition like dementia, can be challenging.We assessed people's attitudes towards dementia following conversing with a chatbot presented as either neurotypical or simulating dementia symptoms.While neither the chatbot's presentation nor the framing of participants' future selves impacted attitudes toward dementia, it influenced participants' experiences.When framed as future selves, the chatbot evoked a strong emotional connection, leading to reflection on aging, particularly with the chatbot simulating dementia symptoms.Participants interacting with the chatbot framed as a stranger with simulated symptoms often felt frustrated, especially when they had a task-oriented mindset.Chatbots can be promising tools for prompting reflections on challenging futures, such as dementia, although their effectiveness varies due to the tensions between simulated cognitive decline and expectations for effective communication.

The progression of dementia leads to a loss of initiative and agency, halting daily activities, hobbies, or social encounters. Open-ended play can encourage initiative but remains underexplored in dementia. This paper explores how technology-driven design can support open-ended play, making social interactions more enjoyable and renewing interest in daily activities. We conducted five workshops at dementia daycare facilities, observing people with dementia engage with playful circuit-building toolkits to identify strategies. Findings reveal these toolkits stimulated self-direction and initiative to accomplish self-imposed goals, both independently and collaboratively. We show how open-ended play fosters confidence, resilience, social engagement, and self-expression, allowing people with dementia to exercise choice and share moments of achievement. We provide design implications for technology to stimulate initiative through open-ended play by 1) balancing structure and freedom, 2) emphasizing novelty and material diversity for non-verbal social connection, and 3) considering age-appropriate aesthetics.

The transition from home to formal residential care is described as stressful and emotionally difficult for people with dementia and their informal caregivers. While HCI research investigated how technology supports people with dementia at home or in formal care, there still is a need to understand how technology can support care transitions. This paper presents a practice-informed approach to gather insights collaboratively between care professionals and HCI researchers. We interviewed 42 informal caregivers of people with dementia to uncover their experiences before, during, and after care transitions. Our findings reveal how informal caregivers were: 1) navigating hurdles of information on care transitions, 2) caught up in the evolving challenges of informal caregiving, and 3) shifting from uncertainty in decision-making to acceptance of admission. Next, we formulate six design opportunities to support transitions in dementia care and encourage HCI researchers to pursue a practice-informed approach to address societal challenges in dementia.

Dance exercises offer recreational and social activities that engage people with dementia in physical exercise to increase fitness and cognitive functioning. However, there is limited research on how technology supports people with dementia to initiate and engage in music-supported dance exercises at home. We present Switch2Move: a TV-based home system with a tangible interface to trigger music-supported exercises at home for people with dementia. Four people with dementia and their informal caregivers explored a mockup to reveal design improvements for stimulating initiative and engagement. Next, we evaluated a high-fidelity prototype in the homes of three other couples during a one-week pilot study. The Switch2Move home system stimulated initiative by providing ongoing access in the home setting and supported engagement through daily enjoyment, calmness, and relief. We present opportunities for technology to increase self-efficacy, offer rich experiences, and fit the physical and social home environment of people with dementia.

People with dementia and their caregivers aging in place have expressed the need for social, emotional, and recreational interventions at home. Listening to everyday sounds evokes memories and provides conversational cues to support social relations and elicit emotional responses for people with dementia. However, research has yet to explore how these meaningful experiences can be transferred into home settings. This paper presents the insights from our co-design study that involved three people with dementia and their partners in developing an interactive sound player for listening to everyday sounds at home. We report on the motivations of people with dementia and their caregivers to engage in meaningful sound-based activities at home and present the Tumbler as a prototype to foster initiative and agency in exploring familiar everyday sounds. We present design implications of how sound can enrich the everyday experiences of dementia by facilitating social and pleasurable moments at home.

Dementia can hinder a person's ability to engage with their relatives. Existing communication technologies do not support people with dementia in maintaining social contact since they are not designed for their abilities and needs. This paper presents LivingMoments, a communication system that enables the engagement of people with dementia with their relatives. The system uses digital and physical interaction design considering people's different and changing abilities. Over a six-week field evaluation of LivingMoments, involving six participants living at home with different levels of dementia, we collected qualitative and quantitative data about the experiences of them and their relatives. Based on the data analysis, we found the need to adapt communication to individual abilities, lowering barriers through content calibration and establishing habits for continuous use. We evinced a set of design considerations for technologies to support a lasting engagement of people with dementia with different and changing abilities.

Research in HCI is increasingly investigating the role of technology in supporting meaningful and social activities to enhance the lived experiences of people with dementia. However, to further enrich the daily experiences in care, more insight is needed into how technology can directly promote social participation and pleasurable experiences in everyday care situations. This paper discusses the deployment of VITA and SAM: two research products that address the social and emotional needs of residents in day-to-day dementia care. We report how both products offered aesthetic and sensory enrichment, created new experiences in the everyday, and were integrated into the care environment. Furthermore, we identify implications for design to provide: 1) aesthetics in care, 2) authentic experiences, 3) reinforcing everyday life, and 4) community-driven use in practice. We contribute to existing research by demonstrating how technology for dementia care can transcend instrumental use and culminate in warm-felt everyday experiences.

There has been a growing interest in designing interactive media experiences in residential dementia care. Although research in HCI and dementia have shown that person-centered design yields positive results, little is known about designing media experiences in shared care spaces. To investigate this, we designed AmbientEcho, an interactive system that offers bespoke and curated media content through different modalities. AmbientEcho thereby aims to provide enriching personal experiences in residential dementia care. A prototype of this design was evaluated in a real-life care setting. Data on residents' responses, the design's social role, and its use in practice were gathered through participant-observations, interviews, and a post-trial focus group. We found that a combined media approach triggered rich personal associations, facilitated revival of identity, and stimulated participation in shared experiences. Finally, we suggest designers should consider sensitive inclusion, adapted levels of interaction and variety in use when designing media interventions in dementia care.

There is increased interest in reducing sedentary behavior of office workers to combat the negative health effects of prolonged sitting. Walking meetings offer a promising solution to this problem as they facilitate a physically active way of working. To inform future development of technologies supporting these type of meetings, in-depth qualitative insights into people's experiences of walking meetings are needed. We conducted semi-structured walking interviews (N=16) to identify key drivers and barriers for walking meetings in a living lab setting by using the 'WorkWalk'. The 'WorkWalk' is a 1.8 km walking route indicated by a dotted blue line with outdoor meeting points, integrated into the room booking system. Our findings provide insights into how walking meetings are experienced and affect the set-up and social dynamics of meetings. We offer design recommendations for the development of future technologies and service design elements to support walking meetings and active ways of working.

Engaging in participatory research in HCI raises numerous ethical complexities such as consent, researcher relationships, and participant compensation. Doing HCI work in the area of dementia amplifies these issues, and researchers in this area are modelling ethical stances to ensure researcher-participant relationships focus on meaningful engagement and care. This paper presents an insight into the kinds of ethical foci required when doing design research with people living with dementia and their carers. We interviewed 22 HCI researchers with experience working in dementia care contexts. Our qualitative analysis outlines subsequent lessons-learned, such as recognition of the participants, self-care, research impact, and subjectivity in ethical review boards. Furthermore, we found the complexity of navigating both "everyday" and more formal, institutional ethics in dementia research has implications beyond the context of working with people with dementia and outline key considerations for ethical practices in socially orientated HCI research.

The representation of sounds derived from everyday life can be beneficial for people with dementia by evoking memories and emotional responses. Despite this potential, integrating sound and sound-based interventions in care facilities has not received much research attention. In this paper, we present the findings from a field study that explored the responses of 19 people with advanced dementia to a selection of everyday sounds presented to them in a care home and the role of these responses in the care environment. To study this, we deployed Vita, a 'pillow-like' sound player, in two dementia care facilities for four weeks, during which observations were recorded. Afterwards, we conducted interviews with caregivers who used Vita in everyday care practice. Our findings reveal how everyday sounds provided by Vita stimulated meaningful conversation, playfulness, and connection between residents and caregivers. Furthermore, we propose design implications for integrating everyday sounds in dementia care.

There has been an increased interest in researching the beneficial effects of everyday sounds, other than music on people with dementia. However, to turn this potential into concrete design applications, a qualitative understanding of how people engage with sound is needed. This paper presents the outcomes of three workshops, exploring the personal experiences evoked by soundscapes of people in early to mid-stages of dementia. Using the dementia soundboard, we provide key insights into how sounds from everyday life triggered personal associations, memories of the past, emotional responses, and the sharing of experiences. Furthermore, we identified several design considerations and practical insights for sound-based technologies in the context of dementia care. This paper sets out a path for further design-research explorations and development of concrete sound-based interventions, for enriching the everyday lives of people with dementia.

The number of people with dementia is increasing rapidly. As a result, care has to be extended towards the home context. This increases the burden on both informal caregivers and persons affected by dementia. To support these people more effectively, technology could play an important role. However, it proves to be challenging to involve them in user-centred research with this purpose. Therefore, there is a need for more research approaches that gather first-hand experiences with technology from people with dementia directly. This research presents a personal evaluation game method, used in the home context to study assistive technology as experienced by its users. In parallel, a questionnaire was applied to explore the difference in data and experiences between both methods. In the study, 12 households participated, each with a person diagnosed with dementia and a partner still living with them as their informal caregiver. During a period of 3 weeks, participants experienced a dynamic lighting armature designed to improve the sleep–wake cycle and evaluated it through one of these methods. The results show that the newly developed method manages to capture the first-person perspective, and is a more appropriate research tool for people with dementia. The information gathered with the tool allowed the researchers to capture the daily lives of the participants in detail, mainly due to the diverse types of input. The personal evaluation game shows a first step towards an ecologically valid tool that includes people with dementia directly. As such the method proved to be qualitative and explorative, and able to provide insights into both the technology and the daily lives of people living with dementia.