Table 6 Frequency of cognitive fluctuations and the associated motor state
| Symptom | Frequency | Pre-“on” | “On” | Pre-“off” | “Off” | Dyskinesia | Independent |
|---|---|---|---|---|---|---|---|
| Values are percentages. | |||||||
| Slowness of thinking | 58 | 7 | 83 | 7 | 3 | ||
| Difficulty in memorizing | 42 | 95 | 5 | ||||
| Mental emptiness | 20 | 10 | 70 | 10 | 10 | ||
| Mental hyperactivity | 18 | 56 | 33 | 11 | |||