Table 3.
TVA parameters and their correlation with age.
| Visual processing speed C [letters/s]a (p-value) | VSTM storage capacity K [max. # of letters] (p-value) | Top-down control α [distractors relative to targets]b (p-value) | Spatial weighting wlat [left relative to right]b (p-value) | |
|---|---|---|---|---|
| Mean ± SD | 27.20 ± 10.02 | 2.70 ± 0.60 | 0.47 ± 0.28 | 0.48 ± 0.10 |
| Correlation with age | −0.31 (0.099) | −0.25 (0.176) | 0.18 (0.341) | 0.13 (0.496) |
aSample’s visual perceptual threshold, t0, parameter = 30.46 ± 16.40 ms; bn = 29 due to missing data of one observation.