Table 5.
Pearson’s correlation coefficient between tapping span and spatial working memory tests and between tapping span and digit span for the amnesic Alzheimer’s group.
| Tapping Span Forward | Tapping Span Backward | Delayed matching task in one-location | Delayed matching task in two-location | Shape-from-moving-dots task | Digit Span Forward | Digit Span Backward | |
|---|---|---|---|---|---|---|---|
| Tapping span forward | 1 | 0.67 | 0.13 | 0.58 | 0.68 | − 038 | − 0.38 |
| Tapping span backward | 0.67 | 1 | 0.19 | 0.69 | 0.60 | − 0.31 | 0.00 |
| Delayed matching task in one-location | 0.13 | 0.19 | 1 | 0.27 | 0.62 | 0.57 | 0.71 |
| Delayed matching task in two-location | 0.58 | 0.69 | 0.27 | 1 | 0.44 | 0.09 | 0.09 |
| Shape-from-moving-dots task | 0.68 | 0.60 | 0.62 | 0.44 | 1 | 0.19 | 0.00 |
| Digit span forward | − 0.38 | − 0.31 | 0.57 | 0.09 | 0.19 | 1 | 0.50 |
| Digit span backward | − 0.38 | 0.00 | 0.71 | 0.09 | 0.00 | 0.50 | 1 |
Bold values represent those with P-values of < 0.05.