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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