Research Article
Cognitive Intraindividual Variability and White Matter Integrity in Aging
Table 5
Correlations between RD 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
**
| .40
*
| .64
**
| −.02 | −.05 | .01 | .32 | .27 | −.08 | | Right ATR | .18 | .50
*
| .40
*
| .61
**
| −.06 | .01 | −.17 | .18 | .30 | .00 | | Left CS | −.32 | .19 | .05 | .51
**
| −.16 | −.06 | .19 | .44
*
| .12 | .01 | | Right CS | −.18 | .17 | −.06 | .40
*
| −.31 | .06 | .01 | .18 | .11 | −.03 | | Left CC | −.03 | .41
*
| .31 | .68
**
| −.15 | .20 | .06 | .23 | .33 | −.08 | | Right CC | −.10 | .20 | .07 | .47
*
| −.38 | −.01 | .05 | .17 | .11 | .23 | | Left Cing_h | −.34 | −.11 | .07 | .24 | −.26 | −.07 | .17 | −.02 | −.06 | −.18 | | Right Cing_h | −.03 | .05 | .23 | .38 | −.27 | −.06 | −.22 | −.09 | .06 | −.18 | | Forceps major | −.01 | .15 | −.07 | .06 | −.37 | −.08 | −.13 | −.07 | −.04 | .07 | | Forceps minor | −.02 | .29 | .28 | .55
**
| −.18 | −.07 | .06 | .20 | .23 | −.06 | | Left IFO | −.20 | .34 | .06 | .47
*
| −.22 | −.05 | .07 | .42
*
| .17 | −.03 | | Right IFO | −.35 | .16 | .07 | .43
*
| −.17 | −.04 | .13 | .29 | .11 | −.02 | | Left ILF | −.30 | .24 | .04 | .41
*
| −.36 | −.06 | −.05 | .20 | .10 | .04 | | Right ILF | −.38 | −.02 | .00 | .38 | −.33 | −.04 | .08 | .13 | .02 | .02 | | Left SLF | .01 | .49
*
| .24 | .60
**
| −.18 | −.12 | −.09 | .32 | .37 | .02 | | Right SLF | −.05 | .50
*
| .13 | .54
**
| −.22 | −.08 | .04 | .36 | .40
*
| −.08 | | Left UN | −.16 | .16 | .09 | .50
*
| −.25 | .13 | .19 | .38 | .06 | −.15 | | Right UN | −.17 | −.03 | .29 | .54
**
| −.11 | −.06 | .18 | .23 | .10 | −.05 | | Left SLF_t | −.33 | −.10 | −.35 | −.05 | −.27 | .05 | .19 | .02 | −.19 | −.12 | | Right SLF_t | −.29 | −.03 | −.49
*
| −.26 | −.21 | .09 | .04 | .01 | .04 | −.11 | | Mean RD | −.11 | .35 | .19 | .59
**
| −.27 | −.03 | .00 | .25 | .21 | −.05 |
|
|
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.
; **.
|
