Table 8.
Pearson correlations between cognitive functioning and DTI measures of white matter integrity for patients with DM1 only (controls excluded).
| FSIQ | VCI | PRI/POI | WMI | PSI | |
|---|---|---|---|---|---|
| Fractional Anisotropy |
r p |
r |
r p |
r p |
r p |
| Frontal lobe | .26 .33 |
.21 .24 |
−.03 .24 |
.55* .03 |
.33 .21 |
| Temporal lobe | .24 .36 |
.32 .23 |
−.09 .73 |
.57* .02 |
.27 .31 |
| Parietal lobe | .11 .68 |
.18 .50 |
−.16 .56 |
.44 .09 |
.08 .78 |
| Occipital lobe | .19 .48 |
.24 .38 |
−.01 .98 |
.45 .08 |
.21 .43 |
| Mean Diffusivity | |||||
| Frontal lobe | −.40 .12 |
−.44 .09 |
−.18 .49 |
−.62* .01 |
−.34 .20 |
| Temporal lobe | −.40 .13 |
−.41 .12 |
−.15 .58 |
−.67** <.01 |
−.32 .22 |
| Parietal lobe | −.42 .11 |
−.45 .08 |
−.18 .52 |
−.65** <.01 |
−.42 .12 |
| Occipital lobe | −.47 .07 |
−.48 .06 |
−.34 .20 |
−.62* .01 |
−.41 .11 |
NOTE: FSIQ = Full-Scale IQ; VCI = Verbal Comprehension Index; PRI = Perceptual Reasoning Index; POI = Perceptual-Organizational Index; WMI = Working Memory Index; PSI = Processing Speed Indexs