Study to Evaluate the Feasibility of Syde® Digital Endpoints for Monitoring Patients With Progressive Supranuclear Palsy - Richardson Syndrome (PSP-R)

Exclusion Criteria

• •1. Patients with extreme cognitive disorders that limit their understanding of the data collection process (training of device use and 4-week recording periods every 4 months, device return at the end of the study), tests to be performed including eye movement recording (every 8 months), the implication of the study and consent.
• •2. Patients who do not tolerate to keep the sensors on their ankles.
• •3. Patients who have undergone a surgical procedure or who have experienced recent trauma (within fewer than 6 months) affecting the lower limbs.
• •4. A concomitant chronic or acute neurological, endocrine, infectious, allergic, or inflammatory pathology within the 3-week period immediately prior to inclusion.
• •5. Patients affected by any other disorder having a significant impact on gait or lower limb function.
• •6. Participant covered by a legal protection measure (guardianship, curatorship or safeguarding of justice) or who is unable to express their consent.
• •7. Absence of caregiver.