Corina Sas

Corina Sas
Lancaster University | LU · School of Computing and Communications

PhD Human Computer Interaction

About

153
Publications
58,756
Reads
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2,990
Citations
Additional affiliations
May 2004 - present
Lancaster University
Position
  • Professor (Associate)

Publications

Publications (153)
Conference Paper
Full-text available
User acceptance is key for the successful uptake and use of health technologies, but also impacted by numerous factors not always easily accessible nor operationalised by designers in practice. This work seeks to facilitate the application of acceptance theory in design practice through the Technology Acceptance (TAC) toolkit: a novel theory-based...
Article
Embedded in everyday practices, food can be a rich resource for interaction design. This article focuses on eating experiences to uncover how bodily, sensory, and socio-cultural aspects of eating can be better leveraged for the design of user experience. We report a systematic literature review of 109 papers, and interviews with 18 professional che...
Article
Background: Much research in Human-Computer Interaction has focused on wellbeing and how it can be better supported through a range of technologies from affective interfaces to mindfulness systems. At the same time, we have seen a growing number of commercial digital wellbeing apps. However, there has been limited scholarly work reviewing these ap...
Chapter
Generating and recognizing facial expressions has numerous applications, however, those are limited by the scarcity of datasets containing labeled nuanced expressions. In this paper, we describe the use of Delaunay triangulation combined with simple morphing techniques to blend images of faces, which allows us to create and automatically label faci...
Conference Paper
Meditation is a mind-body practice with considerable wellbeing benefits that can take different forms. Novices usually start with focused attention meditation that supports regulation of attention towards an inward focus or internal bodily sensations and away from external stimuli or distractors. Most meditation technologies employ metaphorical map...
Article
Full-text available
Background Mood tracking is commonly employed within a range of mental health interventions. Physical activity and sleep are also important for contextualizing mood data but can be difficult to track manually and rely on retrospective recall. Smartwatches could enhance self-monitoring by addressing difficulties in recall of sleep and physical activ...
Article
Full-text available
Stress is one of the most significant health problems in today’s world. Existing work has used heart rate variability (HRV) to detect stress and provide biofeedback in order to regulate it. There has been a growing interest in using wearable biosensors to measure HRV. Each of these sensors acquires heart rate data using different technologies for v...
Article
Full-text available
Research in the use of ubiquitous technologies, tracking systems and wearables within mental health domains is on the rise. In recent years, affective technologies have gained traction and garnered the interest of interdisciplinary fields as the research on such technologies matured. However, while the role of movement and bodily experience to affe...
Article
Background Designing technologies that users will be interested in, start using, and keep using has long been a challenge. In the health domain, the question of technology acceptance is even more important, as the possible intrusiveness of technologies could lead to patients refusing to even try them. Developers and researchers must address this qu...
Preprint
BACKGROUND The regular practice of mindfulness has been shown to provide benefits for mental wellbeing and to prevent depression relapse. Technology mediated interventions can facilitate the uptake and sustained practice of mindfulness, yet the evaluation of interactive systems such as brain computer interfaces has been little explored. OBJECTIVE...
Article
Background The regular practice of mindfulness has been shown to provide benefits for mental well-being and prevent depression relapse. Technology-mediated interventions can facilitate the uptake and sustained practice of mindfulness, yet the evaluation of interactive systems, such as brain-computer interfaces, has been little explored. Objective...
Conference Paper
Full-text available
Much research on meditation has shown its significant benefits for wellbeing. In turn, there has been growing HCI interest for the design of novel interactive technologies intended to facilitate meditation in real-time. In many of these systems, physiological signals have been mapped onto creative audiovisual feedback, however, there has been limit...
Article
Full-text available
In recent decades, emotion regulation (ER) has been one of the most widely studied constructs within the psychological field. Nevertheless, laboratory experiments and retrospective assessments have been the 2 most common strands of ER research; thus, leaving open several crucial questions about ER antecedents and consequences in daily life. Beyond...
Preprint
BACKGROUND Designing technologies that users will be interested in, start using, and keep using has long been a challenge. In the health domain, the question of technology acceptance is even more important, as the possible intrusiveness of technologies could lead to patients refusing to even try them. Developers and researchers must address this qu...
Preprint
Full-text available
Background In the last decade, there has been a proliferation of mobile apps claiming to support the needs of people living with depression. However, it is unclear what functionality apps for depression actually provide and for whom they are intended. Objective This paper aims to explore the key features of top-rated apps for depression, including...
Conference Paper
With the decreasing cost and increasing capability of sensor and mobile technology along with the proliferation of data from social media, ambient environment and other sources, new concepts for digital prognostic and technological quantification of wellbeing are emerging. These concepts are referred to as Digital Phenotyping. One of the main chall...
Conference Paper
In this paper, we describe how by embracing a first-person design perspective we engaged with the uncomfortable to successfully gain insight into the design of affective technologies. Firstly, we experience estrangement that highlights and grounds our bodies as desired in the targeted technology interaction. Secondly, we understand design preconcep...
Article
This special issue entitled “Futures of Digital Death: Mobilities of Loss and Commemoration” explores the topic of digital death and how technologies are reconfigured by and reconfiguring social relationships with the deceased and dying loved ones as well as the larger ecosystem supporting such relationships. This Introduction article starts with a...
Preprint
Full-text available
This special issue entitled "Futures of Digital Death: Mobilities of Loss and Commemoration" explores the topic of digital death and how technologies are reconfigured by and reconfiguring social relationships with the deceased and dying loved ones as well as the larger ecosystem supporting such relationships. This Introduction article starts with a...
Article
Full-text available
Skin conductance is an interesting measure of arousal level, largely unfamiliar to most end-users. We designed a mobile application mirroring end-users’ skin conductance in evocative visualizations, purposefully made ambiguous to invite rich interpretations. Twenty-three participants used the system for a month. Through the lens of a practice-based...
Chapter
Effective and frequent sampling of mood through self-reports could enable a better understanding of the interplay between mood and events influencing it. To accomplish this, we built a mobile application featuring a sadness-happiness visual analogue scale and a facial expression-based scale. The goal is to evaluate, whether a facial expression base...
Article
Full-text available
Background In the last decade, there has been a proliferation of mobile apps claiming to support the needs of people living with depression. However, it is unclear what functionality is actually provided by apps for depression, or for whom they are intended. Objective This paper aimed to explore the key features of top-rated apps for depression, i...
Conference Paper
Taste offers unexplored opportunities for novel user experiences in HCI, however it is difficult to design for. While most lab research has shown basic tastes are consistently associated with positive or negative emotional experiences, the value of these mappings for user experience is less explored. In this paper we leverage 3D food printing techn...
Conference Paper
Increasing HCI work on affective interfaces aimed to capture and communicate users' emotions in order to support self-understanding. While most such interfaces employ traditional screen-based displays, more novel approaches have started to investigate smart materials and actuators-based prototypes. In this paper, we describe our exploration of smar...
Conference Paper
Full-text available
Blockchain is a disruptive technology which has significantly challenged assumptions that underpin financial institutions, and has provoked innovation strategies that have the potential to change many aspects of the digital economy. However, because of its novelty and complexity, mental models of blockchain technology are difficult to acquire. Buil...
Article
Full-text available
Background The use of apps for the treatment of depression shows great promise. However, there is uncertainty regarding the alignment of publicly available apps for depression with clinical guidance, their treatment fidelity and evidence base, and their overall safety. Objective Built on previous analyses and reviews, this study aims to explore th...
Preprint
BACKGROUND The use of apps for the treatment of depression shows great promise. However, there is uncertainty regarding the alignment of publicly available apps for depression with clinical guidance, their treatment fidelity and evidence base, and their overall safety. OBJECTIVE Built on previous analyses and reviews, this study aims to explore th...
Conference Paper
Full-text available
The growing HCI interest in developing contexts and cultural craft practices is ripe to focus on their under-explored homegrown sociotechnical infrastructures. This paper explores the creative infrastructural actions embedded within the practices of songket’s supply chain in Terengganu, Malaysia. We report on contextual interviews with 92 participa...
Conference Paper
Full-text available
Bitcoin blockchain technology is a distributed ledger of nodes authorizing transactions between anonymous parties. Its key actors are miners using computational power to solve mathematical problems for validating transactions. By sharing blockchain's characteristics, mining is a decentralized, transparent and unregulated practice, less explored in...
Conference Paper
Full-text available
Depression is an affective disorder with distinctive autobiographical memory impairments, including negative bias, overgeneralization and reduced positivity. Several clinical therapies address these impairments, and there is an opportunity to develop new supports for treatment by considering depression-associated memory impairments within design. W...
Conference Paper
Full-text available
There is much interest in the development of personal health technologies, but many health technologies involve the capture and use of deeply personal and sensitive data, particularly in the space of mental health. For many years, technology researchers have examined concepts such as acceptability and acceptance, but we argue that these are even mo...
Conference Paper
Full-text available
In the last decade, the number of articles on HCI and health has increased dramatically. We extracted 139 papers on depression, anxiety and bipolar health issues from 10 years of SIGCHI conference proceedings. 72 of these were published in the last two years. A systematic analysis of this growing body of literature revealed that most innovation hap...
Conference Paper
Full-text available
Depression is a major affective disorder with significant socioeconomic cost. Distinctive autobiographical memory impairments in depression include overgeneralization, negative-bias, and repetitive negative thinking. A few psychotherapeutic interventions have been purposefully designed to address these impairments, albeit they benefit from limited...
Conference Paper
Self-defining memories represent significant emotional events capturing the most important concerns in our lives. While much HCI work on memory technologies has focused on autobiographic memories and lifelogging technologies for capturing them, there has been little exploration of self-defining memories and how they may be supported by appropriate...
Conference Paper
Emotions are vital to our lives but could be difficult to recognize and understand. Traditional visualizations of emotions tend to be time-series graph on screen displays limiting user engagement in their real-time sense-making. This paper explores the feasibility of smart materials for developing novel dynamic displays on skin for real time visual...
Conference Paper
Full-text available
Mindfulness meditation has significant benefits for health and well-being but requires training. A wealth of mindfulness meditation apps have been developed in the last years. However, there has been limited academic work evaluating these technologies. This paper reports an auto-ethnographic and expert evaluation study of 16 most popular iPhone min...
Conference Paper
3D food printing technologies offer a range of opportunities for HCI, yet so far applications have been limited. We report a survey exploring the attitudes of early adopters towards 3D food printing technology, with the aim of helping designers create successful applications for this technology.
Conference Paper
Full-text available
Songket is a traditional cultural heritage and national identity of Malaysia. Yet the hand-weaving practices are increasingly endangered and we know little about the current challenges faced by rural songket weavers. This paper interviews with 12 home-based weavers from a Malay village. We recognized two key actors in songket supply and demand chai...
Conference Paper
This paper explores taste-emotion mappings and how they may inform the design of user experience in HCI. We report interviews with 7 food industry professionals and discuss the findings against laboratory-based psychology studies. While the sweet-positive affect and bitter-negative affect mappings were confirmed, those for sour, salty and umami tas...
Article
We are surrounded by increasingly complex networks of smart objects, yet our understanding and attachment to them is rather limited. One way to support stronger end users’ engagement with such complex technologies is by involving them in the design process and with the advent of Arduino prototyping platform, even in their making. While DIY practi...
Conference Paper
The aging population experiences increased health risks, both physical and emotional. Two such risks are those of isolation and falling. This papers draws from HCI literature in these two independent research areas to explore the needs of family communication with elderly parents at risk of falls. We report on a study with 7 elderly parents and 3 o...
Conference Paper
Bitcoin is a cryptocurrency which has received increasing interest over the last five years. Built upon a decentralized peer to peer system, it supports transparent, fast, cost effective, and irreversible transactions, without the need for trusting third party financial institutions. We know however little about people’s motivation and experience w...
Conference Paper
Self-defining memories are crucial for the sense of self, yet we know little of how to cue their recall in old age. This paper reports on interviews with 3 participants in a 10 week craft project. Findings indicate the challenges of introspection, of recalling negative self-defining memories, and of inaccessible cues, and we conclude with three...
Conference Paper
Full-text available
This paper describes a broad overview of the core values underpinning my research agenda for more than a decade. It draws from value research, research values, and values in HCI, and concludes with some insights on the challenges and opportunities of developing a value-driven personal research agenda.
Conference Paper
With the advent of lifelogging cameras the amount of personal video material is massively growing to an extent that easily overwhelms the user. To efficiently review lifelog data, we need well designed video navigation tools. In this paper, we analyze which cues are most beneficial for lifelog video navigation. We show that the information kind det...
Article
Full-text available
The stigma of mental illness has significant negative impact on people experiencing it, to an extent that it may lead to the avoidance of mental health services. Various strategies have been developed to change people’s negative and ill-founded attitudes towards the mental illness. This paper presents a novel strategy which builds innovatively on a...
Article
People increasingly live their lives online, accruing large collections of digital possessions, which symbolically represent important relationships, events, and activities. Most HCI research on bereavement focuses on retaining these significant digital possessions to honor the departed. However, recent work suggests that significant digital posses...
Article
Full-text available
Personal grief rituals are beneficial in dealing with complicated grief, but challenging to design, as they require symbolic objects and actions meeting clients' emotional needs. The authors reported interviews with 10 therapists with expertise in both grief therapy and grief rituals. Findings indicate three types of rituals supporting honoring, le...
Conference Paper
Full-text available
This paper presents an exploratory study focusing on user experience with Bitcoin technology. We describe interviews with 9 Bitcoin users and report findings related to users' motivations for buying and using bitcoins. Our initial findings capture three main motivations such as Bitcoin's predicted role in a monetary revolution, users' increased emp...
Conference Paper
Full-text available
Reviewing lifelogging data has been proposed as a useful tool to support human memory. However, the sheer volume of data (particularly images) that can be captured by modern lifelogging systems makes the selection and presentation of material for review a challenging task. We present the results of a five-week user study involving 16 participants a...
Conference Paper
This paper presents an exploratory study of life review as a therapeutic technique performed in the end of life care. We describe interviews with four therapists practicing life review and discuss initial findings showing the benefits of closure and empowerment for patients' emotional wellbeing. Findings also highlight the importance of reflective...
Article
Full-text available
Conceptualising consumer experience as a rite of passage holds the potential for designing products entailing stronger attachment. We integrate theoretical perspectives from three disparate research areas: sociological theories of rituals, models of consumer's rituals and those on the value of objects for the sense of self, to explore the ritual ty...
Conference Paper
Full-text available
Bitcoin is a crypto-currency which differs in several ways from the traditional use of money. It does not require an individual name but digital wallet IDs, which makes it more private. Bitcoin technology currently lacks protection with respect to monetary transfers, and its structure is not endorsed by the governments. Yet, understanding the conce...
Article
Full-text available
A recent interest in interaction design is towards the development of novel technologies emphasizing the value of mindfulness, monitoring, awareness, and self-regulation for both health and wellbeing. Whereas existing systems have focused mostly on relaxation and awareness of feelings, there has been little exploration on tools supporting the self-...
Research
Full-text available
The value of visual analogies in problem solving has been extensively researched, with most of the work focusing on their benefits (Goldschmidt & Smolkov, 2006; Smith & Blankenship, 1991; Dunbar, 1995). This chapter explores a much less investigated research question of how visual analogies as cues for problem solving are actually developed. More s...
Research
Full-text available
Abstract: The value of visual analogies in problem solving has been extensively researched, with most of the work focusing on their benefits (Goldschmidt & Smolkov, 2006; Smith & Blankenship, 1991; Dunbar, 1995). This chapter explores a much less investigated research question of how visual analogies as cues for problem-solving are actually develop...
Conference Paper
This paper explores how people generate cues for capturing personal meaningful daily events, which can be used for later recall. Such understanding can be explored to inform the design and development of personal informatics systems, aimed to support reflection and increased self-awareness. We describe a diary study with six participants and discus...
Article
Full-text available
As our interactions increasingly cut across diverse devices, we often encounter situations where we find information on one device but wish to use it on another device, for instance, a phone number spotted on a public display but wanted on a mobile. We conceptualize this problem as Select & Apply and contribute two user studies where we presented p...
Article
Full-text available
Pervasive computing is beginning to offer the potential to rethink and redefine how technology can support human memory augmentation. For example, the emergence of widespread pervasive sensing, personal recording technologies, and systems for the quantified self are creating an environment in which it's possible to capture fine-grained traces of ma...
Conference Paper
Full-text available
This paper explores how people generate cues for capturing personal meaningful daily events, which can be used for later recall. Such understanding can be explored to inform the design and development of personal informatics systems, aimed to support reflection and increased self-awareness. We describe a diary study with six participants and discus...