Parkinson Disease
Conditions
Brief summary
Identify the neural bases of eye movements during visual tasks and their dysfunction at early stages of Parkinson disease (de novo).
Interventions
Examine BOLD activity in relation to eye movements measures
Sponsors
Study design
Eligibility
Inclusion criteria
for all: * Visual acuity normal or corrected to normal * Affiliation to a social security scheme (copy of the vital card in support) * Signed informed consent * Medical examination according to the participation in the MRI examination * MMSE score\> 23/30 For Parkinson patient: * Diagnosis of Parkinson's disease * Presence of asymmetric bradykinesia and rest tremor and / or stiffness * Hoehn & Yahr Stadium I-II / V
Exclusion criteria
for all: * Unprotected Majors unable to express their consent * Protected Major (Persons mentioned in Articles L1121-5,6 and 8 of the public health code) * Significant hearing or motor impairment * Past or present neuropsychiatric pathology (except benign epilepsy) * Taking narcotics and / or drugs for neurocognitive purposes * Existence of a severe condition in general (cardiac, respiratory, hematological, renal, hepatic, cancerous) * Any other neurodegenerative pathology or treatment that may affect the oculomotor control For Parkinson patient: * Treatment for Parkinson's disease (except the inhibitors of monoaminoxidase B or MAO-B, such as selegiline and rasagiline).
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| MRI images | 1 hour | Functional and anatomical brain volumes |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Eye latency | 1 hour | latency (milliseconds) of ocular saccades |
| eye amplitude | 1 hour | amplitude (degree) of ocular saccades |
Countries
France