Obsessive-Compulsive Disorder, Parkinson's Disease
Conditions
Brief summary
The purpose of this study is to characterize and compare irregularities in dopaminergic function in fronto-subcortical circuits, between Parkinson's Disease patients (ON and OFF medication) and patients with obsessive-compulsive disorder, by examining performance on cognitive tasks involving cognitive flexibility, decision-making, and attentional bias.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* idiopathic PD or * OCD * for control group - age-matched to study groups
Exclusion criteria
* psychotic symptoms (past or present) * head injury with loss of consciousness * other neurological conditions (excepting PD in PD group) * for OCD group - use of dopaminergic medications