Table 2 Estimated mean change and effect size of change in cognitive tests, psychological scales and EEG variables

Verbal memory

 CVLT, immediate recall

50.1 + 1.2

55.5 + 1.3

56.4 + 1.7

0.075

 CVLT, short delay cued recall

11.4 + .4

12.9 + .3

12.8 + .4

0.062

 CVLT, long delay free recall

10.9 + .4

12.4 + .4

12.3 + .4

0.061

 CVLT, long delay cued recall

11.4 + .4

13.0 + .3

13.0 + .4

0.068

Attention switching and executive functions

 Trail Making test A

21.6 + 1.8

21.0 + 2.1

15.7 + 1.7

0.032

 Trail Making test B

60.5 + 5.9

57.5 + 6.3

42.3 + 4.7

0.036

 Trail Making test BA

42.1 + 5.0

39.0 + 5.0

26.9 + 5.3

0.040

Interoceptive awareness

 MAIA, noticing

2.3 + .2

2.9 + .2

2.6 + .2

0.035

 MAIA, self-regulation

2.3 + .1

3.1 + .1

3.0 + .2

0.12

 MAIA, body listening

2.1 + .1

2.7 + .2

2.6 + .2

0.042

 MAIA, trusting

2.8 + .2

3.4 + .1

3.2 + .2

0.033

Emotion regulation strategies

 HFESRT, rumination

3.3 + .1

2.9 + .1

2.7 + .1

0.048

EEG variables

 Alpha 1

148.4 + 8.7

122.6 + 9.6

89.0 + 15.7

0.071

 Alpha 2

391.4 + 39.2

608.8 + 56.2

1439.4 + 155.6

0.257