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Open AccessArticle

Head-Mounted Display-Based Application for Cognitive Training

Department of Electronic Engineering and Communications, University of Zaragoza, 44003 Teruel, Spain
Facultad de Ingeniería y Tecnologías de la Información y la Comunicación, Universidad Tecnológica Indoamérica, Ambato 180103, Ecuador
Medical School, Harvard University, Boston, MA 02115, USA
Massachusetts General Hospital, Boston, MA 02114, USA
Department of Software Engineering and Artificial Intelligence, Complutense University of Madrid, 28040 Madrid, Spain
Author to whom correspondence should be addressed.
Sensors 2020, 20(22), 6552;
Received: 21 October 2020 / Revised: 8 November 2020 / Accepted: 12 November 2020 / Published: 17 November 2020
(This article belongs to the Section Wearables)
Virtual Reality (VR) has had significant advances in rehabilitation, due to the gamification of cognitive activities that facilitate treatment. On the other hand, Immersive Virtual Reality (IVR) produces outstanding results due to the interactive features with the user. This work introduces a VR application for memory rehabilitation by walking through a maze and using the Oculus Go head-mounted display (HMD) technology. The mechanics of the game require memorizing geometric shapes while the player progresses in two modes, autonomous or manual, with two levels of difficulty depending on the number of elements to remember. The application is developed in the Unity 3D video game engine considering the optimization of computational resources to improve the performance in the processing and maintaining adequate benefits for the user, while the generated data is stored and sent to a remote server. The maze task was assessed with 29 subjects in a controlled environment. The obtained results show a significant correlation between participants’ response accuracy in both the maze task and a face–pair test. Thus, the proposed task is able to perform memory assessments. View Full-Text
Keywords: cognitive rehabilitation; head-mounted display; immersive virtual reality; memory assessment; Oculus Go; serious game; wearable system cognitive rehabilitation; head-mounted display; immersive virtual reality; memory assessment; Oculus Go; serious game; wearable system
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Varela-Aldás, J.; Palacios-Navarro, G.; Amariglio, R.; García-Magariño, I. Head-Mounted Display-Based Application for Cognitive Training. Sensors 2020, 20, 6552.

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