Self-Care Technologies in HCI: Trends, Tensions, and Opportunities

Many studies show that self-care technologies can support patients with chronic conditions and their carers in understanding the ill body and increasing control of their condition. However, many of these studies have largely privileged a medical perspective and thus overlooked how patients and carers integrate self-care into their daily lives and mediate their conditions through technology. In this review, we focus on how patients and carers use and experience self-care technology through a Human-Computer Interaction (HCI) lens. We analyse studies of self-care published in key HCI journals and conferences using the Grounded Theory Literature Review (GTLR) method and identify research trends and design tensions. We then draw out opportunities for advancing HCI research in self-care, namely, focusing further on patients' everyday life experience, considering existing collaborations in self-care, and increasing the influence on medical research and practice around self-care technology

Patient-centred cardio-vascular disease management – end-user perceptions

PurposeThe application of pervasive systems to healthcare has increased in recent years, but resistance to such systems by patients remains high. In this study, the aim is to examine patient and caregiver perceptions of this technology to further develop an understanding of the benefits and functionalities that prospective patients deem as desirable, undesirable, inadequate or in need of further development. The study was conducted as part of the European Union BraveHealth project which is developing a patient‐centred pervasive healthcare system to support cardiac patients at home in everyday life using innovative monitoring and diagnosis, thereby enabling the patient to be more proactive in health management.Design/methodology/approachFocus group studies were conducted in Italy and the Midlands area of the UK, along with a 31‐item questionnaire. The findings were categorized under seven main headings: personal profile; benefits; adoption; acceptance; risks; security, privacy and trust; and (use of) cell phone.FindingsIn the focus group study, most participants felt that there is a great future for this technology and showed positive response to the potential benefits but there are concerns over reliability, security, privacy and trust.Social implicationsEven though this study constitutes only a small group of participants, the Italian and UK study does represent similar patients' and caregivers perceptions towards at‐home healthcare systems.Originality/valueThis paper contributes to the understanding of the benefits and functionalities that prospective patients and care‐givers deem as either desirable or undesirable.</jats:sec

Virtual Hajj (V-Hajj): A Persuasive Hajj Learning Procedures Courseware

This study focuses on an attempt to develop a supplementary learning material for the procedures to perform the Hajj. From the preliminary studies, the existing supplementary materials and learning methods were found to be less effective in giving a clear understanding to the users, whether they are youngsters or elders. Moreover, most of the current supplementary materials are based on passive learning mode. To provide a better supplementary learning material which supports active learning and self-directed learning, this study incorporates virtual environments (VE) and Multimedia (MM) technologies to develop Virtual Hajj (V-Hajj) prototype. Certain persuasive design guidelines were also adapted to persuade users particularly the elders to change their view in using computer-based material. By employing certain important elements, a conceptual model of persuasive Hajj learning environment was constructed. It consists of MM learning principle, Cognitive Theory of MM Learning, VE constructivist theory, persuasive technology principles, MM authoring processes, VE authoring processes and persuasive design guidelines. The model and its courseware prototype are the major contributions of this study. The methodology used in this study is an adaptation of the research design used by Vaishnavi and Kuechler in 2008. It combines the processes and methods used for VE authoring and MM authoring to produce V-Hajj prototype. The expert evaluation revealed some limitations of the prototype and the limitations have been fixed. Meanwhile, the user evaluation results revealed that the V-Hajj prototype provided good indication of the applicability and usability as well as the persuasive effect of the V-Hajj prototype as a supplementary Hajj learning material to the users. In conclusion, an integration of multimedia, virtual environment and persuasive technology in designing and developing a supplementary Hajj learning material has helped users to learn better. However, certain limitations do remain, such as the number of respondents involved in this study. This will be rectified in the future

Cognitive assisted living ambient system: a survey

The demographic change towards an aging population is creating a significant impact and introducing drastic challenges to our society. We therefore need to find ways to assist older people to stay independently and prevent social isolation of these population. Information and Communication Technologies (ICT) provide various solutions to help older adults to improve their quality of life, stay healthier, and live independently for a time. Ambient Assisted Living (AAL) is a field to investigate innovative technologies to provide assistance as well as healthcare and rehabilitation to impaired seniors. The paper provides a review of research background and technologies of AAL

Comparison and Characterization of Android-Based Fall Detection Systems

Falls are a foremost source of injuries and hospitalization for seniors. The adoption of automatic fall detection mechanisms can noticeably reduce the response time of the medical staff or caregivers when a fall takes place. Smartphones are being increasingly proposed as wearable, cost-effective and not-intrusive systems for fall detection. The exploitation of smartphones’ potential (and in particular, the Android Operating System) can benefit from the wide implantation, the growing computational capabilities and the diversity of communication interfaces and embedded sensors of these personal devices. After revising the state-of-the-art on this matter, this study develops an experimental testbed to assess the performance of different fall detection algorithms that ground their decisions on the analysis of the inertial data registered by the accelerometer of the smartphone. Results obtained in a real testbed with diverse individuals indicate that the accuracy of the accelerometry-based techniques to identify the falls depends strongly on the fall pattern. The performed tests also show the difficulty to set detection acceleration thresholds that allow achieving a good trade-off between false negatives (falls that remain unnoticed) and false positives (conventional movements that are erroneously classified as falls). In any case, the study of the evolution of the battery drain reveals that the extra power consumption introduced by the Android monitoring applications cannot be neglected when evaluating the autonomy and even the viability of fall detection systems.Ministerio de Economía y Competitividad TEC2009-13763-C02-0

On the Capability of Smartphones to Perform as Communication Gateways in Medical Wireless Personal Area Networks

This paper evaluates and characterizes the technical performance of medical wireless personal area networks (WPANs) that are based on smartphones. For this purpose, a prototype of a health telemonitoring system is presented. The prototype incorporates a commercial Android smartphone, which acts as a relay point, or “gateway”, between a set of wireless medical sensors and a data server. Additionally, the paper investigates if the conventional capabilities of current commercial smartphones can be affected by their use as gateways or “Holters” in health monitoring applications. Specifically, the profiling has focused on the CPU and power consumption of the mobile devices. These metrics have been measured under several test conditions modifying the smartphone model, the type of sensors connected to the WPAN, the employed Bluetooth profile (SPP (serial port profile) or HDP (health device profile)), the use of other peripherals, such as a GPS receiver, the impact of the use of theWi-Fi interface or the employed method to encode and forward the data that are collected from the sensors.Ministerio de Educación y Ciencia TEC2009-13763-C02-0

GameFlow 2020: 15 Years of a Model of Player Enjoyment

The original GameFlow model was first published in 2005 and in the last 15 years it has seen thousands of citations and hundreds of applications to designing and evaluating games and gameful experiences. Previous work has sought to test and validate the model by applying it to different game experiences to further understand those experiences and to expose any weaknesses of the model. In this paper, we survey over 200 applications of GameFlow over the last 15 years, to understand how, where, and why the model has been applied. We found that the model has been applied to a diverse set of experiences, domains, platforms, audiences, and used in a variety of ways. This work lays the foundations for targeting the next version of the GameFlow model towards the most valuable and appropriate applications and to define how it fits within the broader landscape of player experience tools

A formal methodology to design and deploy dependable wireless sensor networks

Wireless Sensor Networks (WSNs) are being increasingly adopted in critical applications, where verifying the correct operation of sensor nodes is a major concern. Undesired events may undermine the mission of the WSNs. Hence their effects need to be properly assessed before deployment to obtain a good level of expected performance and during the operation in order to avoid dangerous unexpected results. In this paper we propose amethodology that aims at assessing and improving the dependability level of WSNs by means of an event-based formal verification technique. The methodology includes a process to guide designers towards the realization of dependable WSN and a tool ("ADVISES") to simplify its adoption. The tool is applicable to homogeneous WSNs with static routing topologies. It allows to generate automatically formal specifications used to check correctness properties and evaluate dependability metrics at design time and at runtime for WSNs where an acceptable percentage of faults can be defined. During the runtime we can check the behavior of the WSN accordingly to the results obtained at design time and we can detect sudden and unexpected failures, in order to trigger recovery procedures. The effectiveness of the methodology is shown in the context of two case studies, as proof-of-concept, aiming to illustrate how the tool is helpful to drive design choices and to check the correctness properties of the WSN at runtime. Although the method scales up to very large WSNs, the applicability of the methodology maybe compromised by the state space explosion of the reasoning model, which must be faced partitioning large topologies into sub-topologies