Table 3.
Results of the inferential statistics for the response times (RT) analysis per tract.
| RT effect by tract integrity | b | SE | t (df) | p |
|---|---|---|---|---|
| RT effect by ILF integrity | ||||
| FDC * Related vs. neutral: PPA vs. controls | 1.082 | 0.331 | 3.27 (4433) | 0.001 |
| FDC * Related vs. neutral: controls † | −0.327 | 0.143 | −2.286 (2344) | 0.022 |
| FDC: neutral in controls † | −0.830 | 0.412 | −2.012 (18) | 0.060 |
| FDC: related in controls † | −1.157 | 0.467 | −2.478 (17) | 0.023 |
| FDC * Related vs. neutral: PPA † | 0.755 | 0.255 | −2.958 (2090) | 0.003 |
| FDC: neutral in PPA † | 0.395 | 0.914 | 0.432 (18) | 0.671 |
| FDC: related in PPA † | 1.291 | 1.206 | 1.070 (18) | 0.298 |
| RT effect by IFOF integrity | ||||
| FDC * Related vs. neutral: PPA vs. controls | 0.811 | 0.377 | 2.152 (4433) | 0.032 |
| FDC * Related vs. neutral: controls † | 0.145 | 0.160 | 0.909 (2344) | 0.363 |
| FDC: controls † | −1.442 | 0.441 | −3.268 (19) | 0.004 |
| FDC * Related vs. neutral: PPA † | 0.957 | 0.303 | 3.153 | 0.002 |
| FDC: neutral in PPA † | 0.616 | 1.063 | 0.58 | 0.569 |
| FDC: related in PPA † | 1.702 | 1.396 | 1.219 (18) | 0.238 |
| RT effect by UF integrity | ||||
| FDC * Related vs. neutral: PPA vs. controls | 0.862 | 0.354 | 2.437 (4433) | 0.015 |
| FDC * Related vs. neutral: controls † | 0.195 | 0.147 | 1.330 (2344) | 0.184 |
| FDC: controls † | −1.004 | 0.454 | −2.212 (18) | 0.040 |
| FDC * Related vs. neutral: PPA † | 1.057 | 0.296 | 3.574 (2090) | <0.001 |
| FDC: neutral in PPA† | −0.494 | 0.994 | −0.497 (19) | 0.625 |
| FDC: related in PPA † | 0.687 | 1.343 | 0.511 (19) | 0.615 |
Note. Results obtained from the full model, unless stated otherwise. Results from the group models are indicated by †. Only when a significant interaction effect was found, this was followed up with subsequent analyses per group or condition. SE = standard error.