Table 1.

Subject characteristics^a

Abbreviations: CDR-SB = Clinical Dementia Rating–sum of boxes score; CVLT-del = California Verbal Learning Test 20-minute delay score; DMN-GM = default mode network gray matter probability; fMRI task performance = percentage correct trials on fMRI task; MCIc = mild cognitive impairment converters; MCInc = mild cognitive impairment nonconverters.

^aValues are mean (SD).

^bDenotes statistically significant (p < 0.05) difference between MCInc and MCIc.