Neurobiology of Functional Movement Disorder and Non-Epileptic Seizures
Movement Disorders
About this trial
This is an interventional basic science trial for Movement Disorders focused on measuring Conversion Disorder, Psychogenic Movement Disorders, Non-Epileptic Seizure, Functional Magnetic Resonance Imaging (fMRI), Genetic Polymorphisms
Eligibility Criteria
- INCLUSION CRITERIA:
General Inclusion Criteria for FMD patients:
- Diagnosis of clinically definite FMD utilizing Fahn and Williams criteria. The diagnosis must be made by a neurologist
- Able to give informed consent
- Age 18 or older
General Inclusion Criteria for Caregivers:
- Age 18 or older
- Able to give informed consent
- Takes care of a patient with FMD patient enrolled in protocol 07-N-0190 for 10 or more weekly hours.
General Inclusion Criteria for PNES patients:
- Diagnosis of PNES based on recording of patient s typical episode during 24 h video-EEG without concomitant EEG changes. The diagnosis must be made by a neurologist.
- Able to give informed consent
- Age 18 or older
General Inclusion Criteria for Healthy Volunteers:
- Able to give informed consent
- Age 18 or older
EXCLUSION CRITERIA:
General exclusion criteria for FMD patients:
- Significant neurological disorders (primary or comorbid) such as neurodegenerative disorders, stroke, movement disorders or epilepsy
- Inflammatory disorders or autoimmune disorders active within the last 6 months
- Patients with psychotic disorders or manic depression or active substance abuse within the last 6 months
- Current suicidal ideation
- Disease severity requiring inpatient treatment
Additional exclusion criteria for FMD patients for MRI:
- Patients with movement symptoms at rest that may substantially inhibit resolution, comfort, or safety of MRI
- Previous history of or MRI findings consistent with brain tumors, strokes, trauma or arterial venous malformations
- History of traumatic brain injury with loss of consciousness or amnesia lasting greater than a few seconds
- Contraindication to MRI
- Pregnancy
- Significant medical illness
- Patients with current post-traumatic stress disorder
- Patients on tricyclic antidepressants or antiepileptic medications 2 weeks prior to testing
General exclusion criteria for PNES patients:
- Significant neurological disorders (primary or comorbid) such as neurodegenerative disorders, stroke, movement disorders or epilepsy
- Inflammatory disorders or autoimmune disorders active within the last 6 months
- Patients with psychotic disorders or active substance abuse within the last 6 months
- Current suicidal ideation
- Disease severity requiring inpatient treatment
General exclusion criteria for healthy volunteers:
- Significant neurological disorders (primary or comorbid) such as neurodegenerative disorders, stroke, movement disorders or epilepsy
- History of DSM IV-defined schizophrenia, schizoaffective disorder, bipolar disorder or major depression with psychosis
- History of psychotic disorders or manic depression or active substance abuse within the last 6 months
- Subjects with post-traumatic stress disorder
- Subjects on antidepressants or antiepileptic medications
- Inflammatory disorders or autoimmune disorders active within the last 6 months
Additional exclusion criteria for healthy volunteers for MRI:
- Previous history of or MRI findings consistent with brain tumors, strokes, trauma or arterial venous malformations
- Contraindication to MRI
- Pregnancy
- Significant medical illness
General Exclusion Criteria for Caregivers:
- History of DSM-IV defined Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Major depression with psychotic features (by interview).
- Active substance abuse within the past 6 months (by interview).
Sites / Locations
- National Institutes of Health Clinical Center
Arms of the Study
Arm 1
Experimental
fMRI study
subjects receiving MRI