Study of Self-Recognition and Self/Other Distinction Disorders in Patients With Psychological Vulnerability

This study is investigating how young people who are at high psychological risk (for conditions like psychosis) experience self-recognition and the ability to distinguish themselves from others. Healthy volunteers of the same age are also being enrolled for comparison. The study uses visual perception tasks and brain imaging. **You may be eligible if...** - You are between 15 and 25 years old - (For patients) You meet clinical criteria for being at high risk for developing a psychotic disorder - (For healthy volunteers) You are not a close acquaintance of the matched patient - You are able to give informed consent (and a parent/guardian can consent for those under 18) - You are affiliated with the social security scheme in France **You may NOT be eligible if...** - You have a history of epilepsy or migraines (due to sensitivity to light stimulation used in the study) - You wear glasses (contact lenses are okay) - You have significant visual impairment that cannot be corrected with contact lenses - You have distinctive features on your face that cannot be temporarily removed for the study - You have claustrophobia - You are under legal guardianship or deprived of liberty Talk to your doctor to see if this trial is right for you.