Overview of BP findings
| Total included | Spontaneous jerky movements | Intended wrist extension | ||||
| BP (%) | Onset BP | Early BP (%) | Late BP (%) | BP (%) | ||
| Psychogenic | 29 | 25 (86)* | 1195 * (700–2410) | 22 (76)* | 3 (10) | 12 (41)* |
| Tourette | 14 | 6 (43) | 915 * (510–1700) | 4 (29) | 2 (14) | 13 (93) |
| Myoclonus | 5 | 0 (0) | * | 0 (0) | 0 (0) | 5 (100) |
| Control subjects | 25 | – | – | – | – | 25 (100)* |
The total number of participants and BPs is reported per condition (spontaneous jerks or intended wrist extension task) with the percentage between brackets. Median is reported (range) for onset of BP (msec).
↵* Indicates significant differences.
BP, bereitschaftspotential.