Social Cognition and Emotional Assessment performances
Tests (maximal score) | Control group | MDD | Early bvFTD | Moderate bvFTD |
SEA composite (55) | 47.2±3.8 (40.1–53.1)* † ‡ | 42.6±4.8 (33.5–51.4)* § ¶ | 29.2±5.7 (15.7–38.8)† ¶ | 28.9±5.8 (20.5–39.4)‡ § |
Emotion identification (15) | 12.6±1.1 (10.2–14.6)† ‡ | 12.4±0.7 (11.6–13.7)§ ¶ | 9.7±1.8 (6.8–12.9)† ¶ | 8.4±2.4 (3.9–11.1)‡ § |
Faux Pas recognition test (15) | 13.2±1.5 (9–15)† ‡ | 13.3±1.4 (10.8–13.3)§ ¶ | 8.4±2.3 (4.1–13.5)† ¶ | 9.6±2.2 (5.6–14.3)‡ § |
Behavioural control (5) | 3.2±1.2 (0.5–5)† ‡ | 2.5±1.1 (0.5–4)§ | 1.8±1.1 (0–3.5)† | 1.6±1.5 (0–5)‡ § |
Reversal learning (5) | 3.5±1.9 (0–5)* † ‡ | 2.6±1.9 (0–5)* | 1.5±1.7 (0–4.5)† | 1.6±1.5 (0–4)‡ |
Apathy scale (15) | 15±0 (15–15)* † ‡ | 11.8±3.6 (6.4–15)* § ¶ | 9.2±3.6 (2.4–15)† ¶ | 7.9±2.9 (3.6–15)‡ § |
Mini-SEA composite (30) | 25.8±1.8 (21.6–29.6)† ‡ | 25.7±1.7 (22.8–28.7)§ ¶ | 18.1±3 (11.8–23.6)† ¶ | 18±3.8 (11.4–25.4)‡ § |
Results are expressed as mean±SD (range).
↵* Significant difference between control subjects and MDD. SEA: p<0.001; reversal learning test: p<0.05; apathy scale: p<0.0001.
↵† Significant difference between control subjects and early bvFTD. SEA: p<0.0001; emotion recognition: p<0.0001; Faux Pas test: p<0.0001; apathy scale: p<0.0001.
↵‡ Significant difference between control subjects and moderate bvFTD. SEA: p<0.0001; emotion recognition: p<0.0001; Faux Pas test: p<0.0001; apathy scale: p<0.0001.
↵§ Significant difference between MDD and moderate bvFTD. SEA: p<0.0001; emotion recognition: p<0.0001; Faux Pas test: p<0.0001; behavioural control test: p<0.01; reversal learning test: p<0.05; mini-SEA: p<0.0001.
↵¶ Significant difference between MDD and early bvFTD. SEA: p<0.0001; emotion recognition: p<0.0001; Faux Pas test: p<0.0001; mini-SEA: p<0.0001.
bvFTD, behavioural version of frontotemporal dementia; MDD, major depressive disorder; SEA, Social Cognition and Emotional Assessment.