Patients: - age ≥ 18 years - diagnosis of "gambling disorder" according to DSM-5 - gambling behavior anytime during the last 28 days Healthy controlls: - age ≥ 18 years
Patients: - age < 18 years - insuffienct knowledge of the German language - excessive gambling during a psychotic or manic episode - inability to give informed consent - substance-related addiction except tobacco Healthy controls: - age below 18 years - substance-related addiction except tobacco, mental disorders - inability to give informed consent - no subordination/dependency to the study personel
1. Symptom severity assesed with the PGYBOCS at the first timepoint and three months after finishing group therapy