Veranderde hersendynamiek van zelf-stemperceptie

In order to be eligible to participate in this study, a participant must meet all of the following criteria: General: • Age range: 16-40 years • Written informed consent • MRI compatible (optional) o No metallic implants in the body (e.g., metal braces, metallic teeth filling, pacemaker etc.) o No body tattoos with metallic ink (e.g., colored tattoos may contain metallic ink) o No claustrophobia Group 1: Healthy individuals who do not hear voices This group includes healthy individuals recruited from the general population who vary from low to high HP based on LSHS scores (university students, participant panels, public advertisement). o no reported history or current diagnosis of any neurological or psychological disorder o no use of antipsychotics Group 2: Healthy individuals who hear voices o score on item 8 or 10 of LSHS greater than 0 o score on item 9 should be 0, meaning these individuals are not troubled by the voices o total LSHS score greater than 3 o Item 8: “I often hear a voice speaking my thoughts aloud” o Item 9: “I have been troubled by hearing voices in my head” o Item 10: “In the past, I have had the experience of hearing a person’s voice and then found that no one was there o no use of antipsychotics o no reported history or past or current diagnosis presence of any neurological or psychological disorder Group 3: Clinical voice-hearers This group includes individuals with or without formal diagnosis of psychotic disorder who seek help for their mental health specifically with respect to AVH such as at high-risk for psychosis individuals, psychotic patients with past/present AVH experience. o scores on item 9 and 8 and/or 10 of LSHS greater than 0, meaning not only do they hear voices but are also are troubled by them o total LSHS scores greater than 3 Please note that the categorization of participants is merely for the recruitment purposes and statistical analyses will be based on the continuum perspective. Duration and dosage of any antipsychotic medication and/or other psychotropic drugs will be recorded and used as covariates in the analyses.

A potential participant who meets any of the following criteria will be excluded from participation in this study: o Any previous neurosurgery or neurological disorder, including epilepsy o Refusing to have EEG performed o Inability to fully comprehend the purpose of the study or to make a rational decision whether or not to participate o If voice hearing is caused by substance abuse (drug or alcohol addiction) or a neurological condition such as tumor or lesions etc.