Blink rate (BR) and perioral movements (POM) in controls and patients
| BR Mean (SD) | POM Mean (SD) | |
|---|---|---|
| Controls | 11.3 (9.1) | 1.9 (1.8) |
| Parkinson’s disease | 5.8 (5.3) | 1.4 (1.7) |
| Spasmodic torticollis | 21.3 (16.2) | 4.3 (4.4) |
| Generalised dystonia with craniocervical dystonia | 36.9 (27.7) | 20.2 (20.4) |
| Hand or leg dystonia | 7.4 (8.2) | 9.0 (18.8) |