Geospatial Virtual/Augmented Environment: Applications for Children with Pervasive Developmental Disorders

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Neurophysiology, Vol. 52, No. 3, May, 2020

Geospatial Virtual/Augmented Environment: Applications for Children with Pervasive Developmental Disorders A. Fridhi,1 N. Bali,2 N. Rebai,1 and R. Kouki3 Received December 6, 2019 The aim of this research is to describe applications of virtual/augmented reality (VR/AR) to the problems of children with pervasive developmental disorders (PDDs). We will try to verify whether the use of these techniques makes interventions in the case of children with PDDs (concerning their learning and communicative abilities and the state of their emotional sphere) expedient or not. This paper focuses on the use of new information and communication technologies (NICTs) in the treatment of these children and current researches. We will also observe the involvement of NICTs (such as VR/AR) in changing activities made with these tools on the didactic and methodological level. These analyzes will allow us to answer the following research problematic: How does the application of VR/AR in the case of children with PDDs contribute to the development of learning, communicative skills, and recognition and expression of the emotions?

Keywords: virtual reality (VR), augmented reality (AR), constructed environment, children, pervasive developmental disorders (PDDs), autism.

INTRODUCTION The term “pervasive developmental disorders” (PDDs) corresponds to a group of mental disorders that at present attract intense and increasing attention of psychologists, physicians, and neuro­ physiologists. These disorders are manifested in children by significant delays in the development of a number of fundamental functions including, in particular, communication and socialization. Among PDDs, there are several subtypes; a significant part of those is gathered under the term “autism spectrum disorders” (ASDs). The terms ASD and PDD are often used as synonyms (interchangeably), but most specialists distinguish them. Due to the rapid development of novel informa­ tion and communication technologies (NICTs), the constructing of sophisticated versions of virtual reality (VR) became possible. Virtual reality is simulated using modern computer techniques and

National Engineers School of Tunis, Tunis, Tunisia; Higher Institute of Specialized Education, Tunis, Tunisia; 3 Preparatory Institute for Engineering Studies of Tunis El Manar, Tunis, Tunisia. Correspondence should be addressed to A. Fridhi (e-mail: [email protected]). 1 2

artificial environment (including a variety of objects and personalities capable of interacting), which is perceived by the subject via certain interface tools. The VR can be completely different from the real environment or similar to it in some respects, up to “near-identity” to the above environment. Applications of VR can include entertainment (e.g., videogames) and educational/medical purposes, and the field of its application is at present greatly expanded. The term VR is close to the term “augmented reality” (AR). The latter corresponds to interactive experience of real-world env