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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