Visual Information Processing in Schizophrenia Patients With Visual Hallucinations

You may be eligible if

• All Groups:
• Age between 18 and 55 years
• Affiliation to or benefiting from a social security
• Visual acuity normal or corrected to normal
• Person who received and understood the complete information about the organization of the research and gave written and free informed consent before participating in the study
• Group of patients with schizophrenia with visual hallucination (HV) with or without auditory hallucination (HA) (HV group):
• Schizophrenia according to the Diagnostic and Statistical Manual of Mental Disorders IV criteria
• Presence of a hallucinatory visual symptomatology (HV) in the history of the disease measured by the Psychosensory hallucination scale (PSAS).
• The presence of a hallucinatory symptomatology in auditory mode (HA) in addition to the HV is not a criterion of non-inclusion.
• Group of patients with schizophrenia either with auditory hallucination (HA) but without visual hallucination (HV) or no hallucination, auditory or visual (NH) (HA / NH group)
• Schizophrenia according to the Diagnostic and Statistical Manual of Mental Disorders IV criteria
• Presence of a hallucinatory symptomatology in auditory mode (HA) in the history of the disease measured by the PSAS or absence of any hallucinatory manifestations in the history of the disease
• Absence of visual hallucinatory symptomatology (HV) in the history of the disease as measured by PSAS