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Correlations between composite R1 values and cognitive profiles. Abbreviations: Aβ−NC, Aβ-negative normal cognition; Aβ+MCI, Aβ-positive mild cognitive impairment; Aβ+AD, Aβ-positive Alzheimer’s disease with dementia; MMSE, Mini-Mental State Examination; CDR-SB, Clinical Dementia Rating Scale Sum of Boxes; K-BNT, Korean version of the Boston Naming Test; RCFT, Rey-Osterrieth Complex Figure Test.
