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Table 2 Comparison of performances regarding tasks in Cogstate at baseline and at 8 weeks

From: Delayed effect of bifrontal transcranial direct current stimulation in patients with treatment-resistant depression: a pilot study

Test item baseline 8 weeks t/dF p
Shopping list
 Time Spent (sec) 216,301 227,146.36 −8.35/13 .419
 Accuracy (sin−1) .920322 .884031 1.033/13 .321
Detection Task
 Reaction Time (log) 2.664721 2.694657 −1.332/13 .206
 Accuracy (sin−1) 1.492700 1.490980 .039/13 .969
Identification Task
 Reaction Time (log) 2.784243 2.792496 −.302/13 .767
 Accuracy (sin− 1) 1.336756 1.356455 −.376/13 .713
One Card Learning Task
 Reaction Time (log) 3.035103 3.052699 −.601/13 .558
 Accuracy (sin−1) .921514 .899249 .937/13 .366
One Back Working Memory Task
 Reaction Time (log) 2.954759 2.973666 −.454/13 .657
 Accuracy (sin−1) 1.276753 1.255471 .504/13 .622
Two Back Working Memory Task
 Reaction Time (log) 3.079240 3.067496 .408/13 .690
 Accuracy (sin−1) 1,146,574 1.148721 −.050/13 .961
Social-Emotional Cognition Task
 Reaction Time (log) 3.426776 3.526582 −1.786/13 .097
 Accuracy (sin−1) .881219 1.029940 −2.196/13 .047
Continuous Paired Associate Learning Task
 Time Spent (sec) 268,342.43 245,706.86 1.711/13 .111
 Reaction Time (log) 3.426164 3.370106 1.784/13 .098
 Accuracy (sin−1) .747632 .851417 −2.749/13 .017
Shopping List Task-Delayed Recall
 Time Spent (sec) 50,757.79 58,700.93 −1.327/13 .207
 Accuracy (sin−1) .829577 .866724 −.509/13 .619