| Psychiatric symptoms | Anxiety, depression, emotional lability, and rarely psychosis[@speelman2019] |
| Motor weakness | Some patients develop generalized weakness or paresis |
| Cognitive changes | Mild cognitive impairment may be present |
| Gait disturbance | Walking may become unsteady due to truncal chorea |
| Databases | OMIMOrphanetClinicalTrialsPubMed |