2025
Authors
Peçaibes, V; Cardoso, P; Giesteira, B; Castro, L; Lima, L;
Publication
INTERACTION DESIGN AND ARCHITECTURES
Abstract
Digital media can contribute to emergence of eating disorders by reinforcing idealised body standards, generating dissatisfaction with body image and encouraging conditions such as anorexia nervosa. Excessive use of the internet intensifies self-control difficulties, such as impulsivity, hyperactivity and behavioural problems, aggravating the situation. In this context, games can act as effective tools for prevention and treatment, stimulating self-knowledge, communication, behavioural change, and understanding of the disease. In anorexia, wellbeing is impaired by the demands of the disorder, which affects various life's dimensions. This article presents the co-design process to the creation and playtesting of a board game called Yama's Liberation, developed with patients and health professionals. The game was useful in promoting self-control, empathy, collective reflection, and flexibility of thought, contributing to mental, social, and digital wellbeing. While the game does not directly address the pathology itself, it has the potential to encourage adoption of positive behaviours among players.
2025
Authors
Jain, M; Fernandes, V; Madeira, A; Barbosa, LS;
Publication
Programming
Abstract
2025
Authors
Patatas, B; Duarte, C; Pereira, LS;
Publication
Anais Estendidos do XXIV Simpósio Brasileiro sobre Fatores Humanos em Sistemas Computacionais (IHC 2025)
Abstract
2025
Authors
Vieira, FMP; Woods, J; Dias, D; Cunha, JPS;
Publication
2025 47TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)
Abstract
Recent advances in embedded systems, wireless communication, and IoT technologies have driven the development of Wearable Health Devices (WHDs), enabling continuous monitoring of biosignals with low power consumption and high data transmission rates. Among various wireless communication protocols, Bluetooth Low Energy (BLE) stands out due to its energy efficiency and high transmission rate, making it the preferred choice for developing compact and high-performance wearables. However, achieving precise time synchronization across multiple BLE-enabled devices remains a challenge, particularly in distributed systems where sensor nodes operate independently. In this work, we present the WeSync(BLE) our reference synchronization architecture developed for multiple wearable BLE-based biomedical devices intended to streamline the use of numerous wearable devices and synchronize the data acquired across them. A proof-of-concept of this reference synchronization architecture was made using proprietary BLE wearables (used for acquiring motion data). This demonstrated effective synchronization with minimal implementation and latency, achieving an absolute mean and standard deviation of 9.2 +/- 6.7 milliseconds, at 1 hour of testing. This work paves the way for a more robust real-time wearable systems synchronization, advancing the analysis and study of biosignals.
2025
Authors
D'Urbano, A; de Oliveira, M; Barbosa, LS;
Publication
QUANTUM INFORMATION PROCESSING
Abstract
Discerning between quantum and classical correlations is of great importance. Bell polytopes are well established as a fundamental tool for such a purpose. In this paper, we extend this line of inquiry by applying resource theory within the context of network scenarios, to a Quantum Key Distribution (QKD) protocol, BBM92. To achieve this, we consider the causal structure P3 to describe the protocol, and we aim to develop useful statistical tests to assess it. Our objectives are twofold: firstly, to utilise the underlying causal structure of the QKD protocol to produce a geometrical analysis of the resulting nonconvex polytope, with a focus on the classical behaviours, and secondly to devise a test within this framework to evaluate the distance between any two behaviours within the generated polytope. This approach offers a unique perspective, linking deviations from expected behaviour directly to the quality of the quantum resource involved or the residual nonclassicality in protocol execution.
2025
Authors
Alves, T; Giesteira, B;
Publication
ADVANCES IN DESIGN AND DIGITAL COMMUNICATION V, DIGICOM 2024
Abstract
Building on the work carried out in the context of both the master's thesis and the EUGLOH Tromso Idea Camp 2024, this paper proposes to explore somatic relationships that could help to develop a grammar of practical applicability that specifies which properties pertain to each the three dimensions of Emotional Design presented by Donald Norman. Thus, a proto-ontology affecting some of these factors is presented. The validity of this proposal was methodologically tested mainly through the use of Cultural Probes, along with other methodological tools, which were used to collect emotionally relevant artifacts owned by the participants. This data was submitted through both Content Analysis and Artifact Analysis in order to determine which properties of the artifacts made them meaningful to the users. Different preliminary data related to the three dimensions of Emotional Design emerged: in the first visceral dimension, elements of a perceptual-sensory nature; in the behavioral dimension, some preliminary factors relating to the prevalence of both feedback and image schemas stood out; lastly, the reflective aspect proved to be the one where the most properties were determined, mainly related to symbolic properties.
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