Table 3.
Cognitive Tasks Administered Aligned According to Cognitive Domains Across Studies
| Cognitive tests | |||||||
|---|---|---|---|---|---|---|---|
| Study | Working memory | Declarative memory | Fluid intelligence | Crystalized intelligence | Visuospatial reasoning | Speed | Verbal fluency |
| CogUSA | Auditory WM | Word recall | Number series | Picture vocabulary | Block design | Stop/go switch | |
| ELSA | Word recall | Numeracy | Verbal fluency | ||||
| HRS | Word recall | Numeracy | Backward counting | ||||
| LBLS | Computation span | Word recognition | Letter series | Figure rotation | Verbal fluency | ||
| MIDUS | Digit span | Word recall | Number series | Stop/Go switch | Verbal fluency | ||
| SATSA | Digit span | Thurstone picture | TUFF battery | WAIS information | Block design | Digit symbol | |
| WLS | Digit ordering | Delayed word recall | Number series | Category fluency | |||
Note. CogUSA = The Cognition and Aging in the USA; WM = working memory; ELSA = English Longitudinal Study of Aging; HRS = Health and Retirement Study; LBLS = Long Beach Longitudinal Study; MIDUS = Midlife in the United States; SATSA = Swedish Adoption Twin Study of Aging; TUFF = Test battery for investigating functional disorders; WAIS = Wechsler Adult Intelligence Scale; WLS = Wisconsin Longitudinal Study.