VR-IPS: Virtual Reality Tool for Photic Stimulation in Photosensitive Diagnosis
Fernando Moncada Martins, Daniel Pérez Prádanos, Angel Rio-Alvarez, MG Cano-Celestino, María Antonia Gutiérrez, Pablo Calvo Calleja, D. Kasteleijn-Nolst Trenite, Víctor M. González
Abstract
Photosensitivity is a neurological condition in which the brain generates epileptiform activity in response to visual stimuli. The standardized clinical diagnosis procedure, named Intermitent Photic Stimulation (IPS), involves exposing patients to a white flashing light at different frequencies to provoke this reaction. However, clinical neurophysiologists report that this protocol is insufficient, leading to underdiagnosis. VR-IPS is a flexible visual stimulation tool that extends conventional flashing-light stimulation by incorporating configurable color lights, static and oscillatory motion patterns, and photoprovocative videos. The system comprises a stimulation module that can run on Virtual Reality headsets or on standard monitors, together with a control module that allows clinicians to create, select, and configure visual stimulus, while controlling the whole stimulation procedure.
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