The Scientific World Journal

Research Article

Cognitive Intraindividual Variability and White Matter Integrity in Aging

Table 3

Correlations between FA in the JHU-ROIs and cognitive measures.
JHU-ROIsCrossSquareLetterCompvWMsWMint
iMiSDiMiSDiMiSDiMiSDiMiSD
Left ATR .05−.31−.31−.72 **.20−.01−.07−.23−.15−.15
Right ATR .01 −.31 −.36 −.72 **−.03−.14 −.02 −.20 −.31 −.06
Left CS.20−.07.12−.38.28−.01−.15−.38−.09−.04
Right CS.15−.06.09−.35.35−.05.02−.21−.04−.09
Left Cing−.08−.38−.34−.59 **.10−.27−.08−.14−.41 *.00
Right Cing−.02−.24−.22−.47 *.16−.16−.13−.12−.24−.05
Left Cing_h.32.17.06−.17.09.03−.25.02−.01.07
Right Cing_h.02.07−.02−.17.16−.12.14.04.09.26
Forceps major .08 −.29 −.12 −.57 **.26 .12 −.10 −.36 −.10 .02
Forceps minor −.02 −.50 *−.21 −.63 **−.01 −.11 −.08 −.30 −.41 *.00
Left IFO .24 −.35 .06 −.49 *.06 −.09 −.16 −.45 *−.25 −.04
Right IFO .39 −.22 .02 −.48 *−.09 −.14 −.27 −.46 *−.23 .03
Left ILF .26 −.33 .06 −.40 *.16 −.08 .05 −.22 −.16 −.04
Right ILF .29 −.24 −.04 −.55 **.11 −.05 .01 −.29 −.27 −.11
Left SLF.03−.27.05−.38.10.04−.03−.26−.26−.05
Right SLF.02−.31.03−.41 *.18.06−.09−.36−.21−.04
Left UN .26 −.07 .02 −.43 *.01 −.37 −.38 −.35 −.18 −.01
Right UN.15.10−.26−.47 * .01−.23−.26−.26−.22.16
Left SLF_t.24.08.43 *.02−.10−.13−.28−.07.16.09
Right SLF_t.19.02.46 *.28.05−.15.01−.01−.11.08
Mean FA.23−.24−.01−.58 **.15−.17−.17−.32−.26.03
ATR: anterior thalamic radiation L; CS: corticospinal tract; Cing: 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 an age effect. CrossSquare: simple RT; LetterComp: complex processing speed; vWM: verbal working memory; sWM: spatial working memory; int: resistance to interference.
; ** .