Virtual Reality and Brain Stimulation, an Experiential Approach

The aim of this study is to assess feasibility, acceptability and efficacy of two VRET (Virtual Reality Exposition Therapy)session associated with either active anodal tDCS or sham tDCS on the ventromedial prefrontal cortex to decrease anxiety related to visual height intolerance

Inclusion Criteria: * Without any particular ethnic and psychosocial criteria * Subjects with fear of heights (anxiety AQ score \>45 and/or VHI score \>7) * Subjects with SUD score\>50/100 assessed during first visit * Subjects without psychiatric or addictive disorders * Subjects without criteria of phobia according to DSM5 (Diagnostic Statistical Manual) Exclusion Criteria: * contraindication to tDCS (neurosurgical history, intracranial device, skin problems) * current virtual reality intolerance * history of psychiatric or addictive disorders * Use of psychotropic drugs * Use of non psychotropic treatments significantly influencing mood or level of anxiety * Neurological pathology, locomotor disability, or sensory (vestibular, visual, auditory ...) * pregnant or breast-feeding women