| OCD | Obsessive–compulsive disorder |
| EEG | Electroencephalography |
| fMRI | Functional magnetic resonance imaging |
| Y-BOCS | Yale-Brown Obsessive–Compulsive Disorder Scale |
| NJREs | Not just right experiences |
| SSRIs | Selective serotonin reuptake inhibitors |
| CSTC | Cortico-striato-thalamo-cortical |