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Table 2 Partial correlations (r) between memory test scores and RSI and DTI measures

From: Sensitivity of restriction spectrum imaging to memory and neuropathology in Alzheimer’s disease

 

LMI

LMD

CVLT-SFR

CVLT-LFR

CERAD-DR

RSI

 Fornix ND

0.30

0.35

0.38

0.42*

0.55**

 Parahippocampal cingulum ND

0.15

0.13

0.14

0.15

0.32

 Uncinate ND

0.10

0.06

0.37

0.41*

0.43*

 ILF ND

0.07

0.21

0.34

0.37

0.43*

 IFOF ND

0.22

0.37

0.43*

0.45*

0.61**

 Arcuate ND

0.14

0.35

0.44*

0.43*

0.51**

 Entorhinal IF

–0.39*

–0.50**

–0.43*

–0.57**

–0.64**

 Hippocampus IF

–0.39*

–0.30

–0.38

–0.38

–0.47*

DTI

 Fornix FA

0.39*

0.28

0.31

0.36

0.51**

 Parahippocampal Cingulum FA

0.19

0.10

0.04

0.04

0.29

 Uncinate FA

0.06

0.15

0.48*

0.50**

0.51**

 ILF FA

0.14

0.26

0.27

0.29

0.39

 IFOF FA

0.39

0.40*

0.38

0.41*

0.60**

 Arcuate FA

0.22

0.23

0.30

0.29

0.34

 Entorhinal MD

–0.29

–0.41*

–0.35

–0.46*

–0.55**

 Hippocampus MD

–0.23*

–0.27

–0.42*

–0.43*

–0.49**

  1. Correlations corrected for age, sex, and education
  2. *p < 0.01, **p < 0.001
  3. CERAD-DR Consortium to Establish a Registry for Alzheimer’s Disease delayed recall, CVLT-LFR California Verbal Learning Test long delay free recall, CVLT-SFR California Verbal Learning Test short delay free recall, DTI diffusion tensor imaging, FA fractional anisotropy, IF isotropic free water diffusion, IFOF inferior fronto-occipital fasciculus, ILF inferior longitudinal fasciculus, LMI Logical Memory immediate, LMD Logical Memory delayed, MD mean diffusivity, ND neurite density, RSI restriction spectrum imaging