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  • Rational, Emotional, and Attentional Choice Models for Recommender Systems

    GatedPeer-Reviewed

    Abstract: This work analyzes the decision-making process underlying choice behavior. First, neural and gaze activity were recorded experimentally from different subjects performing a choice task in a Web Interface. Second, choice models were fitted using rational, emotional and attentional features. The model’s predictions were evaluated in terms of their accuracy and rankings were made for […]


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  • Bio-behavioral and Self-Report User Experience Evaluation of a Usability Assessment Platform (UTAssistant)

    GatedPeer-Reviewed

    Abstract: This work shows the user experience (UX) assessment of a web-based platform for the semi-automatic usability evaluation of websites, UTAssistant, which is primarily addressed to workers in public administration (PA). The study is part (Phase 1) of a multiple assessment methodology which consists of four phases in total: (1) UX in laboratory conditions; (2) […]


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  • Investigating the Relationship Between Mental State (Workload and Affect) and Physiology in a Control Room Setting (Ship Bridge Simulator)

    GatedPeer-Reviewed

    Abstract: This paper discusses how to investigate the human element in a control room setting in terms of situational settings (monitoring and active control) and mental state (workload and affect). We show an explorative experiment in a ship bridge simulator context to investigate measurement practices and uncover correlations between mental state and changes in physiology. […]


  • Notice: Trying to access array offset on value of type null in /usr/www/users/publio/wp-content/themes/twentytwentytwo_child/template-parts/blocks/articles/publication-list.php on line 142

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  • Evaluating The Efficacy of Real-time Gaze Transition Entropy

    GatedPeer-Reviewed

    Abstract: We conducted an eye-tracking study where 32 participants view distorted images of famous artwork and landmarks. We computed the gaze transition entropy and the stationary distribution entropy for their eyemovements both offline (post-process) and online (in real-time). We hypothesized that entropy of participants who recognized the images will be different from those who did […]


  • Notice: Trying to access array offset on value of type null in /usr/www/users/publio/wp-content/themes/twentytwentytwo_child/template-parts/blocks/articles/publication-list.php on line 142

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  • An Approach to Analyze User’s Emotion in HCI Experiments Using Psychophysiological Measures

    GatedPeer-Reviewed

    Abstract: Emotional experiences have aroused HCI researchers’ interest once these types of experience involve many parts of our body, such as muscles, body postures, and psychophysiological measures. Hedonic experiences give us pleasure and good emotions, and this paper focuses on it. Some psychophysiological measures have already been correlated with both valence and arousal, the main […]


  • Notice: Trying to access array offset on value of type null in /usr/www/users/publio/wp-content/themes/twentytwentytwo_child/template-parts/blocks/articles/publication-list.php on line 142

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  • Classification of Strategies for Solving Programming Problems using AoI Sequence Analysis

    GatedPeer-Reviewed

    Abstract: This eye tracking study examines participants’ visual attention when solving algorithmic problems in the form of programming problems. The stimuli consisted of a problem statement, example output, and a set of multiple-choice questions regarding variables, data types, and operations needed to solve the programming problems. We recorded eye movements of students and performed an […]

  • Improving Driver Emotions with Affective Strategies

    GatedPeer-Reviewed25/03/2019

    Abstract: Drivers in negative emotional states, such as anger or sadness, are prone to perform bad at driving, decreasing overall road safety for all road users. Recent advances in affective computing, however, allow for the detection of such states and give us tools to tackle the connected problems within automotive user interfaces. We see potential […]

  • Moderating effects of prior brand usage on visual attention to video advertising and recall: An eye-tracking investigation

    GatedPeer-Reviewed01/02/2019

    Abstract: For advertisers, attracting attention to video marketing stimuli is paramount to building and refreshing consumers’ brand memories and increasing their propensity to purchase. Research has demonstrated brand users are more likely to recall advertising, possibly suggesting a brand’s commercials draw more attention from current users than potential new customers. Testing whether prior brand usage […]


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  • Using computer-vision and machine learning to automate facial coding of positive and negative affect intensity

    GatedPeer-Reviewed

    Abstract: Facial expressions are fundamental to interpersonal communication, including social interaction, and allow people of different ages, cultures, and languages to quickly and reliably convey emotional information. Historically, facial expression research has followed from discrete emotion theories, which posit a limited number of distinct affective states that are represented with specific patterns of facial action. […]


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  • Wavelet Phase Coherence Estimation of EEG Signals for Neuromarketing Studies

    GatedPeer-Reviewed

    Abstract: This paper presents an Electroencephalography (EEG), Pulse Plethysmography (PPG) and Galvanic Skin Response (GSR) study for neuromarketing studies, which are related to analysis of relationship between electrodes and emotional stress across to commercial advertisement. Neuromarketing is a field of study with respect the application of neuroscience methods to analyze consumer behavior related to markets. Wavelet […]

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