Order of testing and age of the control group
| Subjects | Paradigm | Age (y)/sex |
|---|---|---|
| 1 | Delay/trace | 45/F |
| 2 | Delay/trace | 57/M |
| 3 | Delay | 60/F |
| 4 | Delay/trace | 45/M |
| 5 | Delay/trace | 50/M |
| 6 | Delay/trace | 64/F |
| 7 | Delay/trace | 34/M |
| 8 | Trace/delay | 58/M |
| 9 | Trace/delay | 73/M |
| 10 | Trace/delay | 45/M |
| 11 | Trace/delay | 49/F |
| 12 | Trace/delay | 45/M |
| 13 | Delay/trace | 40/F |
| 14 | Delay/trace | 53/M |
| 15 | Delay | 57/M |
| Mean (SD) | 51.7 (10.0) |
BDI=Beck depression inventory, UPDRS=unified Parkinson’s disease rating scale.