Compulsive disorder
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients: - Diagnosis of OCD with obsessions and compulsions assessed with the MINI Neuropsychiatric Interview (MINI) - Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) score cut-off of 12 - 18-65 years of age - Willingness and ability to give written informed consent and willingness and ability to understand, to participate and to comply with the study requirements;Controls: - 18-65 years of age - Willingness and ability to give written informed consent and willingness and ability to understand, to participate and to comply with the study requirements
Exclusion criteria
Exclusion criteria: Patients: - Current major depressive disorder, bipolar disorder, psychotic disorder, alcohol or substance dependence, or any cognitive disorder as assessed with the MINI - Major head trauma or neurological disease, current or in history - MRI contraindications such as metal implants, claustrophobia, pregnancy - Self-reported inability or unease to cease smoking for 3 hours prior to testing - Endocrinological disorders or regular use of corticosteroids - Current treatment with antipsychotic medication - Use of other psychotropic medication (apart from SSRI's and tricyclic antidepressants), or of recreational drugs over a period of 72 hours prior to each test session, and use of alcohol within the last 24 hours before each measurement - Irregular sleep/wake rhythm (e.g., regular nightshifts or cross timeline travel).;Controls: - A current or past psychiatric diagnosis as assessed with the MINI - Major head trauma or neurological disease, current or in history - MRI contraindications such as metal implants, claustrophobia , pregnancy - Self-reported inability or unease to cease smoking for 3 hours prior to testing - Endocrinological disorders or regular use of corticosteroids - Use of psychotropic medication, or of recreational drugs over a period of 72 hours prior to each test session, and use of alcohol within the last 24 hours before each measurement - Irregular sleep/wake rhythm (e.g., regular nightshifts or cross timeline travel)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Our main study endpoints include 1.) The balance between goal-directed and habitual responding as measured by the appetitive and avoidance habit task; 2.) The amount of compulsive checking behavior and experienced intolerance of uncertainty as measured in the checking task; 3.) Brain activation patterns as measured with fMRI during these tasks, and an additional emotional face matching task, resting-state condition and DTI; and 4.) The correlation between attachment style as measured with the AAI and ERC with the behavorial and neurobiological study end points of 1-3. | — |
Secondary
| Measure | Time frame |
|---|---|
| nvt | — |
Countries
Netherlands