Table 2.
Correlation between visual contrast detection threshold and neuropsychological measures
| Temporal Frequency | PASAT (n=18) |
WAIS-R Vocab (n=18) |
WAIS-R Block (n=18) |
Trails A (n=18) |
Trails B (n=18) |
|---|---|---|---|---|---|
| 0 Hz | |||||
| Pearson Correlation | −.338 | .233 | .076 | .422 | .313 |
| Sig. (2-tailed) | .170 | .352 | .766 | .081 | .206 |
| 1 Hz | |||||
| Pearson Correlation | −.315 | .290 | −.521* | .638** | .300 |
| Sig. (2-tailed) | .203 | .244 | .027 | .004 | .227 |
| 5 Hz | |||||
| Pearson Correlation | −.075 | .326 | −.464 | .414 | .141 |
| Sig. (2-tailed) | .766 | .187 | .053 | .088 | .577 |
| 10 Hz | |||||
| Pearson Correlation | .165 | .237 | −.107 | .173 | −.048 |
| Sig. (2-tailed) | .513 | .344 | .672 | .493 | .850 |
| 15 Hz | |||||
| Pearson Correlation | −.278 | −.016 | .160 | .496* | .123 |
| Sig. (2-tailed) | .264 | .951 | .527 | .036 | .627 |
| Mean | |||||
| Pearson Correlation | −.302 | .223 | −.116 | −.619** | .244 |
| Sig. (2-tailed) | .224 | .374 | .646 | .006 | .329 |
*
Correlation is significant at the 0.05 level (2-tailed).
**
Correlation is significant at the 0.01 level (2-tailed).