Participant Characteristics
| Characteristic | HC | MCI | AD |
|---|---|---|---|
| Sex (n) | |||
| Male | 30 | 30 | 21 |
| Female | 28 | 32 | 25 |
| Age (y) | |||
| Mean ± SD | 66.4 ± 4.5 | 71.4 ± 5.5 | 74.4 ± 6.3 |
| Range | 60–80 | 60–82 | 62–84 |
| NINCDS-ADRDA | — | — | Probable AD |
| MMSE-J | |||
| Mean ± SD | 29.3 ± 1.1 | 26.7 ± 1.8 | 22.2 ± 1.8 |
| Range | 24–30 | 24–30 | 20–26 |
| CDR-J | 0 | 0.5 | 0.5 or 1.0 |
| WMS-R | Above cutoff | Below cutoff | Below cutoff |
| Visually positive (n) | 14 | 41 | 43 |
| Visually negative (n) | 44 | 21 | 3 |
NINCDS-ADRDA = National Institute of Neurologic and Communicative Disorders and Alzheimer’s Disease and Related Disorders Association.