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  • Optimization of menu-labeling formats to drive healthy dining: An eye tracking study


    Abstract: This study examines customers’ visual attention when choosing food and beverage items of a fast-food menu. Three formats on menu labeling were examined, including numeric, color-coded, and physical activity-based formats. An experimental choice paradigm combined with eye tracking technology explored customers’ visual attention, preferences for format, and menu choices. The study revealed that customers […]

  • Objective, computerized video-based rating of blepharospasm severity

    GatedPeer-Reviewed21/10/2016Salk Institute for Biological Studies; Institute for Neural Computation

    Objective: To compare clinical rating scales of blepharospasm severity with involuntary eye closures measured automatically from patient videos with contemporary facial expression software. Methods: We evaluated video recordings of a standardized clinical examination from 50 patients with blepharospasm in the Dystonia Coalition’s Natural History and Biorepository study. Eye closures were measured on a frame-by-frame basis […]

  • JAKE® Multimodal Data Capture System: Insights from an Observational Study of Autism Spectrum Disorder

    Open AccessPeer-Reviewed26/09/2017Janssen Research and Development + 4

    Objective: To test usability and optimize the Janssen Autism Knowledge Engine (JAKE®) system’s components, biosensors, and procedures used for objective measurement of core and associated symptoms of autism spectrum disorder (ASD) in clinical trials. Methods: A prospective, observational study of 29 children and adolescents with ASD using the JAKE system was conducted at three sites in the […]

  • Self-control: Knowledge or perishable resource?

    Open AccessPeer-Reviewed01/01/2018Texas A&M University

    Abstract: The self-control literature suggests two main short-run models with contradictory predictions. By perceiving self-control as a knowledge or perishable resource, those models report a positive and negative impact, respectively, of an initial self-control act on subsequent self-control ability. Using biometric data to monitor compliance enabled us to develop a unified self-control model, reconciling the […]

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  • A wearable rehabilitation device for paralysis


    Abstract: With the huge development and the latest technological advancement in mechatronics, prosthetic devices have acquired interest in many different fields such as medical and industrial fields. A prosthetic device can be an external wearable mobile machine that covers the body or part of it. It is generated by pneumatics and electric motors. It can […]

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  • FaceSync: Open ​source ​​framework ​​for ​recording facial ​expressions with ​head-mounted ​cameras


    Abstract: Advances in computer vision and machine learning algorithms have enabled researchers to extract facial expression data from face video recordings with greater ease and speed than standard manual coding methods, which has led to a dramatic increase in the pace of facial expression research. However, there are many limitations in recording facial expressions in laboratory […]

  • Music Recommendation System for Human Attention Modulation by Facial Recognition on a Driving Task: A Proof of Concept

    Open AccessPeer-Reviewed01/07/2017Universidad Rosario Castellanos + 2

    Abstract: The role of music on driving process had been discussed in the context of driver assistance as an element of security and comfort. Throughout this document, we present the development of an audio recommender system for the use by drivers, based on facial expression analysis. This recommendation system has the objective of increasing the […]

  • Toward Affect-Sensitive Virtual Human Tutors: The Influence of Facial Expressions on Learning and Emotion

    Open Access01/11/2017North Carolina State University

    Abstract: Affective support can play a central role in adaptive learning environments. Although virtual human tutors hold significant promise for providing affective support, a key open question is how a tutor’s facial expressions can influence learners’ performance. In this paper, we report on a study to examine the influence of a human tutor agent’s facial […]

  • Game Experience and Brain Based Assessment of Motivational Goal Orientations in Video Games


    Abstract: The current study aims to measure the goal orientations motivation in different scenes of a video-game. The evaluation of player experience was done with both subjective measures through questionnaire and objective measures through brain wave activity (electroencephalography – EEG). We used GameFlow questionnaire to characterize the player’s mastery goal in playing video game (Master […]

  • Using sequence mining to reveal the efficiency in scientific reasoning during STEM learning with a game-based learning environment

    GatedPeer-Reviewed01/04/2018North Carolina State University

    Abstract: The goal of this study was to assess how metacognitive monitoring and scientific reasoning impacted the efficiency of game completion during learning with Crystal Island, a game-based learning environment that fosters self-regulated learning and scientific reasoning by having participants solve the mystery of what illness impacted inhabitants of the island. We conducted sequential pattern mining and […]

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