| Title | Greater than the Sum of Its Parts: δ can be Constructed from Item Level Data. |
| Publication Type | Journal Article |
| Year of Publication | 2016 |
| Authors | Royall, DR, Palmer, RF, Matsuoka, T, Kato, Y, Taniguchi, S, Ogawa, M, Fujimoto, H, Okamura, A, Shibata, K, Nakamura, K, Nakaaki, S, Koumi, H, Mimura, M, Fukui, K, Narumoto, J |
| Journal | J Alzheimers Dis |
| Volume | 49 |
| Issue | 2 |
| Pagination | 571-9 |
| Date Published | 2016 |
| ISSN | 1875-8908 |
| Keywords | Activities of Daily Living, Aged, Aged, 80 and over, Alzheimer Disease, Cognitive Dysfunction, Executive Function, Female, Humans, Japan, Male, Neuropsychological Tests, Psychiatric Status Rating Scales, ROC Curve, United States |
| Abstract | "δ", a latent variable constructed from cognitive performance and functional status measures, can accurately diagnose dementia. The minimal assessment needed is unknown. We have constructed a δ homolog, "dTEXAS", from Telephone Executive Assessment Scale (TEXAS) items, and validated it in a convenience sample of Japanese persons (n = 176). dTEXAS scores correlated strongly with both Instrumental Activities of Daily Living (IADL) (r = -0.86, p |
| DOI | 10.3233/JAD-150250 |
| Alternate Journal | J. Alzheimers Dis. |
| PubMed ID | 26444760 |
