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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\u2019 response accuracy in both the maze task and a face\u2013pair test. Thus, the proposed task is able to perform memory assessments.<\/jats:p>","DOI":"10.3390\/s20226552","type":"journal-article","created":{"date-parts":[[2020,11,16]],"date-time":"2020-11-16T21:48:52Z","timestamp":1605563332000},"page":"6552","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Head-Mounted Display-Based Application for Cognitive Training"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4084-1424","authenticated-orcid":false,"given":"Jos\u00e9","family":"Varela-Ald\u00e1s","sequence":"first","affiliation":[{"name":"Department of Electronic Engineering and Communications, University of Zaragoza, 44003 Teruel, Spain"},{"name":"Facultad de Ingenier\u00eda y Tecnolog\u00edas de la Informaci\u00f3n y la Comunicaci\u00f3n, Universidad Tecnol\u00f3gica Indoam\u00e9rica, Ambato 180103, Ecuador"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9408-1280","authenticated-orcid":false,"given":"Guillermo","family":"Palacios-Navarro","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering and Communications, University of Zaragoza, 44003 Teruel, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebecca","family":"Amariglio","sequence":"additional","affiliation":[{"name":"Medical School, Harvard University, Boston, MA 02115, USA"},{"name":"Massachusetts General Hospital, Boston, MA 02114, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2726-6760","authenticated-orcid":false,"given":"Iv\u00e1n","family":"Garc\u00eda-Magari\u00f1o","sequence":"additional","affiliation":[{"name":"Department of Software Engineering and Artificial Intelligence, Complutense University of Madrid, 28040 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,11,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"657","DOI":"10.1016\/j.bushor.2018.05.009","article-title":"Go boldly!: Explore augmented reality (AR), virtual reality (VR), and mixed reality (MR) for business","volume":"61","author":"Farshid","year":"2018","journal-title":"Bus. 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