Table 3 Top correlated brain structural changes for each cognitive score.

	Positively correlated	Pearson’s r	Spearman’s ρ	p Value for r	p Value for ρ	Negatively correlated	Pearson’s r	Spearman’s ρ	p Value for r	p Value for ρ
SBT-K	rh_occipital(total WMHs)	0.283	0.273	0.293	0.030	GrayVol_lh.rostralanteriorcingulate	− 0.356	− 0.319	0.036	0.040
MMSE-KC	GrayVol_lh.caudalanteriorcingulate	0.395	0.381	0.032	0.024	MeanCurv_lh.temporalpole	− 0.345	− 0.287	0.036	0.053
Total score of CERAD-K	CurvInd_lh.bankssts	0.293	0.134	0.048	0.381	CurvInd_lh.lingual	− 0.225	0.04	0.105	0.809
Word List Memory	FoldInd_lh.bankssts	0.320	0.095	0.038	0.563	CurvInd_lh.lingual	− 0.254	− 0.05	0.072	0.775
Word List Recall	FoldInd_lh.bankssts	0.320	0.003	0.038	0.983	CurvInd_lh.lingual	− 0.272	− 0.08	0.059	0.634
Word List Recognition	FoldInd_lh.bankssts	0.322	0.03	0.038	0.853	CurvInd_lh.lingual	− 0.261	− 0.163	0.066	0.277
Constructional Praxis	GrayVol_lh.parsorbitalis	0.400	0.396	0.032	0.024	GausCurv_lh.bankssts	− 0.347	− 0.13	0.036	0.400
Constructional Praxis Recall	GrayVol_lh.rostralanteriorcingulate	0.427	0.431	0.032	0.024	MeanCurv_lh.temporalpole	− 0.354	− 0.359	0.036	0.028
Verbal Fluency	GrayVol_rh.rostralanteriorcingulate	0.403	0.392	0.032	0.024	GausCurv_rh.inferiortemporal	− 0.287	− 0.296	0.051	0.050
Boston Naming Test	GrayVol_lh.rostralanteriorcingulate	0.372	0.349	0.036	0.028	lh_temporal (PV WMHs)	− 0.268	− 0.248	0.293	0.059

SBT-K Short blessed test, Korean version; MMSE-KC Mini-mental state examination, Korean version; CERAD-K Consortium to Establish a Registry for Alzheimer’s Disease Assessment Packet Korean Version; rh Right hemisphere; WMH White matter hyperintensity; Vol Volume; lh Left hemisphere; CurvInd Curvature index; bankssts banks of the superior temporal sulcus; FoldInd Folding index; MeanCurv Mean curvature; GausCurv Gaussian curvature; PV Periventricular.

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