Research Article
Cognitive Intraindividual Variability and White Matter Integrity in Aging
Table 4
Correlations between MD in the JHU-ROIs and cognitive measures.
| JHU-ROIs | CrossSquare | LetterComp | vWM | sWM | int | iM | iSD | iM | iSD | iM | iSD | iM | iSD | iM | iSD |
| Left ATR | .13 | .55
**
| .41
*
| .62
**
| −.03 | −.07 | .00 | .31 | .26 | −.09 | Right ATR | .18 | .50
*
| .41
*
| .60
**
| −.08 | −.02 | −.18 | .17 | .29 | .00 | Left CS | −.30 | .15 | .23 | .51 | −.15 | −.15 | .13 | .23 | .09 | .02 | Right CS | −.19 | .08 | .02 | .31 | −.30 | .00 | −.03 | −.08 | .05 | −.05 | Left CC | −.18 | .26 | .18 | .55
**
| −.22 | .11 | .04 | .26 | .11 | −.15 | Right CC | −.19 | .06 | −.05 | .30 | −.48
*
| −.11 | −.02 | .14 | −.07 | .26 | Left Cing_h | −.33 | −.16 | .07 | .11 | −.33 | −.04 | .10 | −.09 | −.17 | −.19 | Right Cing_h | −.08 | .00 | .25 | .37 | −.32 | −.10 | −.20 | −.14 | .06 | −.14 | Forceps major | −.01 | .12 | −.09 | −.03 | −.37 | −.07 | −.16 | −.14 | −.05 | .10 | Forceps minor | −.04 | .13 | .25 | .42
*
| −.24 | −.13 | .07 | .09 | .10 | −.09 | Left IFO | −.22 | .23 | .07 | .39 | −.31 | −.13 | .05 | .35 | .10 | −.05 | Right IFO | −.33 | .06 | .06 | .32 | −.30 | −.13 | .06 | .15 | .03 | .01 | Left ILF | −.30 | .11 | .05 | .32 | −.44
*
| −.12 | −.03 | .16 | .02 | .03 | Right ILF | −.34 | −.19 | −.02 | .19 | −.43
*
| −.12 | .10 | .00 | −.15 | −.04 | Left SLF | .02 | .47
*
| .28 | .60
**
| −.22 | −.14 | −.12 | .31 | .35 | .02 | Right SLF | −.08 | .41
*
| .15 | .50
*
| −.33 | −.09 | .03 | .26 | .34 | −.10 | Left UN | −.06 | .16 | .14 | .44
*
| −.40 | −.05 | .04 | .28 | −.04 | −.19 | Right UN | −.13 | .00 | .27 | .49
*
| −.20 | −.21 | .07 | .13 | .03 | .05 | Left SLF_t | −.35 | −.15 | −.19 | −.09 | −.46
*
| .01 | .09 | −.03 | −.16 | −.07 | Right SLF_t | −.39 | −.08 | −.43
*
| −.19 | −.39 | .03 | .09 | −.03 | −.08 | −.07 | Mean MD | −.12 | .28 | .21 | .50
*
| −.35 | −.10 | −.04 | .16 | .13 | −.04 |
|
|
ATR: anterior thalamic radiation L; CS: corticospinal tract; CC: cingulum/cingulate gyrus; Cing_h: cingulum/hippocampus; IFO: inferior fronto-occipital fasciculus; ILF: inferior longitudinal fasciculus; SLF: superior longitudinal fasciculus; UN: uncinate fasciculus; SLF_t: superior longitudinal fasciculus temporal part; iM: individual mean; iSD: individual standard deviation; FA: fractional anisotropy. Tracks in italic are those showing a significant age effect. ; **.
|