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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Schizophr Res. 2010 Jun 11;127(1-3):144–150. doi: 10.1016/j.schres.2010.05.013

Table 3.

Correlation between contrast threshold and 2-Back performance

Temporal Frequency 2-Back
(n=11)
0 Hz
Pearson Correlation −.497
Sig. (1-tailed) .060
1 Hz
Pearson Correlation −.373
Sig. (1-tailed) .129
5 Hz
Pearson Correlation −.569*
Sig. (1-tailed) .034
10 Hz
Pearson Correlation −.769**
Sig. (1-tailed) .003
15 Hz
Pearson Correlation .014
Sig. (1-tailed) .484
Mean
Pearson Correlation −.136
Sig. (1-tailed) .345
*

Correlation is significant at the 0.05 level (1-tailed).

**

Correlation is significant at the 0.01 level (1-tailed)