Table 1 Neuropsychological assessment of patients with Parkinson’s Disease-mild cognitive impairment (n = 20)
Mean (SD) | Cut-off | |
|---|---|---|
Screening for dementia | ||
Mini Mental Parkinson | 28.0 (2.7) | ≥22.85 |
Global cognitive abilities | ||
Parkinson’s Disease-Cognitive Rating Scale (PD-CRS) | ||
PD-CRS Total Score (max: 134) | 78.9 (15.6) | ≥82 |
PD-CRS Cortical Score (max: 30) | 26.1 (2.4) | – |
PD-CRS Frontal Subcortical Score (max: 104) | 52.8 (14.0) | – |
Memory | ||
Rey Auditory Verbal Learning Test, immediate recall | 35.8 (11.1) | > 28.52 |
Rey Auditory Verbal Learning Test, delayed recall | 7.0 (3.5) | > 4.68 |
Digit Span (Forward) | 5.5 (0.9) | > 4.25 |
Digit Span (Backward) | 4.1 (0.9) | > 2.64 |
Language | ||
Verbal Fluency, phonemic | 30.6 (9.9) | > 16 |
Verbal Fluency, semantic | 37.2 (9.0) | > 24 |
Objects Picture Naming task (International Picture Naming Project (IPNP), %) | 69.1 (11.9) | – |
Actions Picture Naming task (IPNP, %) | 87.3 (14.2) | – |
Attentional and Executive Functions | ||
Frontal Assessment Battery | 15.3 (2.5) | > 13.4 |
Stroop test (interference effect on time, seconds) | 32.4 (14.1) | < 36.92 |
Stroop test (interference effect on error number) | 2.4 (3.3) | < 4.24 |
Trail Making Test, part A (seconds) | 51.8 (26.5) | < 94 |
Trail Making Test, part B (seconds) | 184.7 (125.7) | < 283 |
Test of Attentional Performance | ||
Go/NoGo (time, ms) | 528.9 (88.7) | – |
Go/NoGo (accuracy) | 28.2 (2.5) | – |
Working Memory (time, milliseconds) | 803.6 (192.5) | – |
Working Memory (accuracy) | 11.7 (1.1) | – |
Response Flexibility (time, milliseconds) | 1390.4 (512.2) | – |
Response Flexibility (accuracy) | 78.0 (17.8) | – |