| Tests | PD | Controls | |
| MMSE | 26 ± 3.06 | 271 ± 0.90 | |
| MDRS | 129 ± 8.91 | 134 ± 4.3 | |
| MOCA | 22 ± 3.83 | 25 ± 2.60 | |
| PM | 24 ± 6.88 | 28 ± 3.41 | |
| FAB | 14 ± 2.86 | 16 ± 1.14 | |
| MIS | 14 ± 198 | 150 ± 0.91 | |
| TMT B-A | 71 ± 52.99 | 54 ± 43.10 | |
| Stroop test | 124 ± 38.4 | 98 ± 44.5 | |
| P.F | 9 ± 4.34 | 11 ± 545 | |
| S.F | 16 ± 6.23 | 21 ± 4.84 | |
| JOLB | 24 ± 4.23 | 26 ± 2.05. | |
| IADL | 14 ± 5.52 | 8 ± 0.84 | |