Table 2. Neuropsychological profile of the participants.
| Scale | Group | M | SD | |
| MMSE | Healthy | 30.7 | 2.31 | F = 77.65; p = 0.001 |
| MCI | 23.1 | 3.4 | ||
| AD | 15.8 | 1.9 | ||
| Fluency-K | Healthy | 10.4 | 2.8 | F = 6.12; p = 0.008 |
| MCI | 7.7 | 4.2 | ||
| AD | 4.4 | 3.9 | ||
| Fluency-F | Healthy | 8.2 | 2.8 | Chi2 = 9.33; p = 0.009 |
| MCI | 4.7 | 4.2 | ||
| AD | 2.3 | 3.1 | ||
| Fluency-animals | Healthy | 15.5 | 4.4 | F = 17.22; p = 0.0001 |
| MCI | 8.6 | 3.6 | ||
| AD | 5.2 | 3.2 | ||
| Fluency-body | Healthy | 19.8 | 5.2 | F = 15.43; p = 0.0001 |
| MCI | 13.1 | 3.9 | ||
| AD | 7.4 | 4.8 | ||
| 7-minutes test | Healthy | 0.1 | 0.33 | Chi2 = 19.82; p = 0.0001 |
| MCI | 2.57 | 1.13 | ||
| AD | 3 | 0 | ||
| RHLB-PL | ||||
| Humor | Healthy | 6.2 | 2.4 | Chi2 = 5.08; p = 0.08 |
| MCI | 3.9 | 1.7 | ||
| AD | 3.9 | 0.8 | ||
| Lexical prosody | Healthy | 12.3 | 3.7 | Chi2 = 10.13; p = 0.006 |
| MCI | 9.1 | 2.9 | ||
| AD | 5.6 | 4.1 | ||
| Emotional prosody | Healthy | 10 | 2.9 | F = 9.97; p = 0.001 |
| MCI | 8.1 | 2.5 | ||
| AD | 4.7 | 2.2 |
Note: MCI: mild cognitive impairment; AD: Alzheimer Disease; M: mean; SD: standard deviation; MMSE: Mini Mental State Examination; RHLB-PL: Right Hemisphere Lesion Battery-Polish version.