Table 4.
Post hoc analysis of the group (3) × emotion (2) interaction (P < 0.05, uncorrected): differences between depressed unipolar patients (MDD), depressed bipolar patients (BD) and healthy controls (HC) in bilateral amygdala responses to subliminal sad and happy facial expressions, compared with neutral faces
| Side | Cluster size | T‐score | P‐value (uncorrected) | |
|---|---|---|---|---|
| Between group results (two t‐test) | ||||
| MDD > BD: sad>neutral faces | Left/Right | 1210 | 2.272.50 | P = 0.014/P = 0.008 |
| MDD > HC: sad>neutral faces | Left/Right | 2320 | 2.533.02 | P = 0.008/P = 0.002 |
| HC > BD: sad>neutral faces | Left | 4 | 2.54 | P = 0.007 |
| BD > MDD: happy>neutral faces | Right | 11 | 2.07 | P = 0.022 |
| HC > MDD: happy>neutral faces | Right | 11 | 2.09 | P = 0.019 |
| BD > HC: happy>neutral faces | – | – | – | – |