Prefrontal Oscillations in Social Anxiety Disorder (POSAD)

Subjects will be invited to give a 5 minutes oral presentation on the topic of their choice to five examiners displaying no facial emotional reaction, after a 5 minutes period of silent waiting in front of the examiners. This waiting period is prompt to elicit anticipation-type of social anxiety.

Subjects will give a 5 minutes oral presentation on the subject of their choice to a virtual reality panel composed of 5 examiners displaying no facial emotional reaction, after a 5 minutes period of silent waiting in front of the examiners. This waiting period is expected to elicit anticipation-type of social anxiety.

EEG will be recorded with a standard 16-electrodes cap. Recordings will start before the 5 minutes waiting period and continue throughout oral presentation and recovery. The recovery period will be used as a baseline control

"Subjects will be evaluated prior to inclusion using the following assessment tools~* Anamnestic Association for Methodology and Documentation in Psychiatry (AMDP) questionnaire~* Mini International Neuropsychiatric Interview (MINI 6.0, for psychiatric diagnoses)~* Liebowitz Social Anxiety Scale (LSAS)~* Montgomery Asberg Depression Rating Scale (MADRS)~* Brief Anxiety Scale of Tyrer (BAS)~* State-Trait Anxiety Inventory (STAI A-B)~* Global Assessment of Functioning (GAF)"

"Subjects will be asked to rate their anxiety levels~* immediately before (5 minutes of silent waiting),~* during~* and after the 5-minute oral presentation (recovery)"