Research evidence supports that emotion dysregulation is a key feature of psychotic disorders (Pinkham, & Penn, 2006). Schizophrenia spectrum and other psychotic disorders are among the most severe disorders characterized by positive (e.g. hallucinations, delusions) and negative symptoms (e.g. catatonia) (APA, 2013). Although, the incidence rate is 2% worldwide and 22 per 100,000 person years in the Dutch population (Sutterland et al., 2013), emotion dysregulation difficulties are plaguing the life of many patients. For instance, emotion regulation difficulties are related with lower quality of life, lower remission rates (Pinkham, & Penn, 2006) and higher suicidal ideation (e.g. between
Research evidence supports that emotion dysregulation is a key feature of psychotic disorders (Pinkham, & Penn, 2006). Schizophrenia spectrum and other psychotic disorders are among the most severe disorders characterized by positive (e.g. hallucinations, delusions) and negative symptoms (e.g. catatonia) (APA, 2013). Although, the incidence rate is 2% worldwide and 22 per 100,000 person years in the Dutch population (Sutterland et al., 2013), emotion dysregulation difficulties are plaguing the life of many patients. For instance, emotion regulation difficulties are related with lower quality of life, lower remission rates (Pinkham, & Penn, 2006) and higher suicidal ideation (e.g. between