Table I.
Participant self‐report questionnaires' scores and after‐scan task performances (n = 34)
| Mean (SD) | Mann–Whitney testa (n = 25) | ||||
|---|---|---|---|---|---|
| All (n = 34) | LA (n = 12) | HA (n = 13) | Z | P | |
| Age | 21.26 (2.39) | 20.08 (1.08) | 21.93 (2.89) | −2.010 | 0.060 |
| P sychometric data | |||||
| BVAQ‐B | 48.06 (10.85) | 36.17 (3.81) | 59.15 (5.78) | −4.248 | ≤0.001 |
| B1 | 12.06 (3.66) | 9.17 (3.16) | 14.31 (2.32) | −3.419 | ≤0.001 |
| B2 | 8.18 (3.49) | 6.25 (2.14) | 10.38 (4.01) | −2.502 | 0.011 |
| B3 | 9.32 (2.54) | 7.75 (2.99) | 10.31 (1.44) | −2.199 | 0.030 |
| B4 | 10.06 (3.29) | 7.92 (2.81) | 12.23 (2.35) | −3.285 | ≤0.001 |
| B5 | 8.44 (3.81) | 5.08 (0.67) | 11.92 (3.17) | −4.304 | ≤0.001 |
| TAS‐20 | 47.23 (12.53) | 38.00 (12.32) | 54.46 (9.45) | −2.997 | 0.002 |
| T1 | 16.09 (5.71) | 14.50 (7.01) | 17.15 (4.49) | −1.718 | 0.087 |
| T2 | 14.09 (4.94) | 11.25 (5.41) | 16.23 (4.19) | −2.263 | 0.022 |
| T3 | 17.06 (5.21) | 12.25 (3.22) | 21.97 (3.75) | −3.897 | ≤0.001 |
| BDI‐13 | 1.76 (2.16) | 0.83 (1.53) | 2.15 (2.76) | −1.475 | 0.205 |
| STAI | |||||
| State (STAI‐S) | 31.68 (9.32) | 27.42 (8.21) | 33.08 (9.07) | −1.662 | 0.098 |
| Trait (STAI‐T) | 37.59 (10.47) | 36.58 (12.26) | 35.77 (7.57) | −0.436 | 0.689 |
| Behavioral data | |||||
| Recognition (%) | 85.96 (3.91) | 86.20 (5.14) | 85.79 (3.57) | −0.545 | 0.611 |
| Fear | 77.30 (7.25) | 79.17 (8.43) | 74.94 (6.46) | −1.582 | 0.123 |
| Neutral | 94.61 (6.57) | 93.23 (8.57) | 96.64 (4.28) | −1.116 | 0.264 |
| Reaction time (ms) | 565.42 (116.41) | 582.83 (86.06) | 555.04 (158.51) | −0.653 | 0.538 |
| Fear | 561.95 (110.76) | 572.25 (91.85) | 558.12 (148.63) | −0.272 | 0.810 |
| Neutral | 568.90 (131.87) | 593.41 (93.66) | 551.96 (178.58) | −0.870 | 0.406 |
Note: SD, standard deviation; HA, group with high alexithymia; LA, group with low alexithymia; B1 = T3, difficulty in verbalizing emotions; B2, difficulty in fantasizing; B3 = T1, difficulty in identifying emotions; B4, low‐emotional reactivity; B5=T3, concrete thinking style.
a
Nonparametric test for the comparison between HA and LA groups.