Onset latencies (ms) after taps to the nose (single trials)
| EMG study | O Oculi | SCM | Ment | Biceps B | Ext Ind | Vast Med | Tib Ant |
|---|---|---|---|---|---|---|---|
| 1 | 9.8 | 21.2 | 37.8 | 48.8 | |||
| 9.8 | 22.2 | 39.4 | 55.2 | ||||
| 9.6 | 21.2 | 46.0 | |||||
| 12.6 | 25.2 | 28.6 | 50.2 | ||||
| 11.2 | 24.2 | 28.8 | 48.8 | ||||
| 2 | 12.8 | 13.6 | 16.0 | 28.8 | |||
| 12.4 | 12.0 | 16.8 | 27.6 | ||||
| 14.4 | 19.2 | 24.8 | 41.6 | ||||
| 13.2 | 19.2 | 24.2 | 51.2 |
At EMG study 1 the patient was having frequent jerks and had just been started on medication. At study 2 jerks were less easily induced with the patient taking clonazepam and carbanazepine.
O Oculi=orbicularis oculi; SCM=sternocleidomastoid; Ment=mentalis; Biceps B=biceps brachi; Ext Ind=extensor indicis; vast Med=vastus medialis; Tib Ant=tibialis anterior.