Towards a Human-Centered Approach for VRET Systems: Case Study for Acrophobia

Oana Bălan (), Ștefania Cristea (), Alin Moldoveanu (), Gabriela Moise (), Marius Leordeanu () and Florica Moldoveanu ()
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Oana Bălan: University POLITEHNICA of Bucharest
Ștefania Cristea: University POLITEHNICA of Bucharest
Alin Moldoveanu: University POLITEHNICA of Bucharest
Gabriela Moise: Petroleum-Gas University of Ploiești
Marius Leordeanu: University POLITEHNICA of Bucharest
Florica Moldoveanu: University POLITEHNICA of Bucharest

A chapter in Advances in Information Systems Development, 2020, pp 182-197 from Springer

Abstract: Abstract This paper presents a human-centered methodology for designing and developing Virtual Reality Exposure Therapy (VRET) systems. By following the steps proposed by the methodology – Users analysis, Domain Analysis, Task Analysis and Representational Analysis, we developed a system for acrophobia therapy composed of 9 functional, interrelated modules which are responsible for patients, scenes, audio and graphics management, as well as for physiological monitoring and events triggering. The therapist visualizes in real time the patient’s biophysical signals and adapts the exposure scenario accordingly, as he can lower or increase the level of exposure. There are 3 scenes in the game, containing a ride by cable car, one by ski lift and a walk by foot in a mountain landscape. A reward system is implemented and emotion dimension ratings are collected at predefined points in the scenario. They will be stored and later used for constructing an automatic machine learning emotion recognition and exposure adaptation module.

Keywords: Virtual reality; Exposure therapy; Human-centered; Acrophobia; Phobia (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:spr:lnichp:978-3-030-49644-9_11

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DOI: 10.1007/978-3-030-49644-9_11

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