Table 1.
Participant Demographics and Behavioral Rates
| Older adults (N = 20) | Younger adults (N = 22) | |
|---|---|---|
| Participant Demographics | ||
| Age | 74.55 (7.21) | 22.91 (3.01) |
| Education (years) | 17.50 (1.82) | - |
| Cognitive assessment tasks | ||
| MMSE | 29.60 (0.60) | - |
| WAIS-III | ||
| Symbol Search | 13.70 (2.49) | - |
| Digit Symbol Coding | 12.85 (2.58) | - |
| Symbol Copy | 102.55 (23.22) | - |
| Digit Span | 11.95 (2.26) | - |
| Arithmetic | 11.25 (1.68) | - |
| Letter Number Sequencing | 11.53 (3.37) | - |
| Vocabulary | 14.10 (2.94) | - |
| GDS | 0.70 (1.08) | - |
| Memory Task—Retrieval Rates | ||
| All “Old” Responses | ||
| Related Hits | 0.70 (0.13) | 0.69 (0.11) |
| Unrelated Hits | 0.56 (0.15) | 0.54 (0.14) |
| Related False Alarms | 0.56 (0.17) | 0.54 (0.13) |
| Unrelated False Alarms | 0.26 (0.19) | 0.24 (0.17) |
Note: All numbers indicate means, with standard deviations in parentheses; all scores represent scaled scores with the exception of Symbol Copy; MMSE = Mini-Mental State Exam; GDS = Geriatric Depression Scale; Neither detailed demographic characteristics nor cognitive assessment measures were collected for the younger adult data reported in Webb et al. 2016.