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Table 3 Amplitudes of the four EEG bands (in μV) pre, during and post, ANYB, BAW and QS sessions

From: Hemisphere specific EEG related to alternate nostril yoga breathing

Sl. no.

Band

ANYB

BAW

QS

Pre

M ± SD

During

Post

M ± SD

Pre

M ± SD

During

Post

M ± SD

Pre

M ± SD

During

Post

M ± SD

D1 

M ± SD

D2 

M ± SD

D3 

M ± SD

D1 

M ± SD

D2 

M ± SD

D3 

M ± SD

D1 

M ± SD

D2 

M ± SD

D3 

M ± SD

FP1 − A1

Delta

35.3 ± 16.8

35.0 ± 12.1

35.6 ± 19.5

31.2 ± 12.5

30.0 ± 15.1

34.3 ± 17.9

30.3 ± 15.4

32.2 ± 21.6

28.9 ± 14.8

28.7 ± 13.4

39.0 ± 20.0

35.4 ± 17.1

35.6 ± 19.5

37.4 ± 27.2

35.7 ± 19.1

Theta

12.1 ± 7.3

10.3 ± 3.2

12.3 ± 9.2

10.5 ± 3.5

11.1 ± 5.4

11.7 ± 8.7

11.8 ± 7.2

11.2 ± 6.1

9.9 ± 3.9

9.8 ± 4.6

12.8 ± 8.3

12.0 ± 8.0

12.3 ± 9.2

12.5 ± 8.8

11.7 ± 7.0

Alpha

9.1 ± 4.0

9.3 ± 4.3

8.3 ± 4.8

9.9 ± 5.3

8.5 ± 5.2

8.8 ± 4.4

8.4 ± 4.7

9.0 ± 6.0

8.6 ± 5.1

8.0 ± 4.5

9.1 ± 4.4

8.4 ± 4.5

8.3 ± 4.8

8.3 ± 4.7

8.3 ± 4.4

Beta

5.0 ± 1.9

5.3 ± 1.9

5.0 ± 3.0

5.7 ± 2.8

5.5 ± 3.3

4.9 ± 2.3

4.8 ± 1.9

5.3 ± 3.1

4.9 ± 2.3

4.8 ± 2.2

5.1 ± 2.7

5.1 ± 3.1

5.0 ± 3.0

4.9 ± 2.9

5.0 ± 2.7

FP2 − A2

Delta

31.0 ± 13.7

30.8 ± 11.6

32.6 ± 19.2

27.0 ± 10.9

26.8 ± 13.3

28.6 ± 12.3

24.8 ± 9.8

29.4 ± 21.1

24.9 ± 12.7

24.5 ± 10.3

34.4 ± 15.8

32.9 ± 17.6

32.6 ± 19.2

33.1 ± 24.6

31.7 ± 16.6

Theta

11.3 ± 5.9

10.0 ± 2.9

12.2 ± 8.5

10.0 ± 3.2

10.5 ± 4.8

10.6 ± 6.1

10.2 ± 4.1

11.2 ± 6.0

9.8 ± 3.7

9.4 ± 3.6

12.4 ± 7.2

11.9 ± 7.4

12.2 ± 8.5

12.1 ± 7.8

11.5 ± 6.4

Alpha

9.0 ± 3.9

9.4 ± 4.3

8.6 ± 5.2

10.0 ± 5.4

8.5 ± 5.1

8.8 ± 4.4

8.5 ± 4.7

9.2 ± 6.3

8.9 ± 5.6

8.1 ± 4.4

9.6 ± 4.9

8.9 ± 4.9

8.6 ± 5.2

8.7 ± 5.1

8.7 ± 5.1

Beta

4.4 ± 1.1

5.0 ± 1.4

4.8 ± 2.2

5.8 ± 2.4

4.8 ± 2.9

4.6 ± 2.0

4.3 ± 1.2

4.8 ± 2.5

4.4 ± 1.7

4.3 ± 1.3

4.9 ± 2.0

5.0 ± 2.5

4.8 ± 2.2

4.8 ± 2.3

4.8 ± 2.1

C3 − A1

Delta

14.3 ± 2.0

15.4 ± 3.1

14.8 ± 2.8

14.6 ± 2.1

14.0 ± 1.8

14.1 ± 2.2

14.1 ± 2.4

14.7 ± 4.4

14.1 ± 2.9

13.9 ± 3.0

15.7 ± 2.9

14.8 ± 2.4

14.8 ± 2.8

15.0 ± 3.4

14.8 ± 2.8

Theta

9.4 ± 1.6

9.2 ± 1.9

9.7 ± 2.5

9.6 ± 2.1

9.4 ± 1.9

9.2 ± 1.9

9.5 ± 2.1

9.8 ± 3.3

9.4 ± 2.3

9.0 ± 1.8

9.9 ± 2.5

9.6 ± 2.7

9.7 ± 2.5

9.6 ± 2.6

9.7 ± 2.8

Alpha

10.1 ± 5.6

10.8 ± 6.2

10.6 ± 6.8

11.9 ± 7.4

11.0 ± 7.1

10.5 ± 5.8

10.6 ± 6.5

11.2 ± 7.4

10.9 ± 6.9

10.1 ± 6.2

11.6 ± 6.9

10.9 ± 6.6

10.6 ± 6.8

10.6 ± 6.2

10.7 ± 6.7

Beta

4.8 ± 1.3

5.2 ± 1.5

5.1 ± 2.1

5.7 ± 1.7

4.9 ± 1.6

4.9 ± 1.5

4.9 ± 1.6

5.1 ± 2.1

4.8 ± 1.6

4.6 ± 1.5

5.2 ± 2.0

5.1 ± 1.8

5.1 ± 2.1

5.1 ± 1.9

5.2 ± 1.9

C4 − A2

Delta

14.7 ± 2.0

15.3 ± 2.8

14.9 ± 3.3

15.1 ± 2.9

14.1 ± 2.5

14.7 ± 2.2

14.9 ± 3.3

14.8 ± 3.5

15.0 ± 3.1

14.4 ± 2.4

15.1 ± 3.1

14.9 ± 3.4

14.9 ± .3.3

15.1 ± 4.8

15.0 ± 3.6

Theta

9.5 ± 1.8

9.3 ± 2.1

9.7 ± 2.5

9.7 ± 2.0

9.4 ± 1.8

9.9 ± 2.3

10.1 ± 2.6

10.2 ± 3.1

10.2 ± 2.8

9.6 ± 2.1

9.8 ± 2.3

9.7 ± 2.5

9.7 ± 2.5

9.5 ± 2.4

9.5 ± 2.4

Alpha

10.8 ± 5.2

11.9 ± 5.8

10.3 ± 6.0

13.0 ± 6.7

10.7 ± 6.1

11.5 ± 6.4

11.5 ± 7.2

12.0 ± 7.9

11.6 ± 7.6

10.9 ± 6.8

11.2 ± 6.0

10.5 ± 5.7

10.3 ± 6.0

10.2 ± 5.6*

10.2 ± 5.6

Beta

5.6 ± 2.6

6.8 ± 3.4

5.2 ± 1.6

7.6 ± 5.1

5.5 ± 2.2

5.2 ± 1.4

5.1 ± 1.8

5.2 ± 1.9

5.0 ± 1.9

4.9 ± 1.6

5.2 ± 1.8

5.2 ± 1.9

5.2 ± 1.6

4.9 ± 1.5

5.0 ± 2.0

O1 − A1

Delta

12.9 ± 3.7

16.0 ± 7.8

14.0 ± 4.8

17.1 ± 7.6

12.8 ± 3.4

13.0 ± 2.9

13.2 ± 3.8

13.1 ± 3.8

13.1 ± 4.4

12.1 ± 2.5

13.3 ± 14.7

14.7 ± 6.4

14.0 ± 4.8

14.5 ± 6.2

14.4 ± 5.7

Theta

8.0 ± 2.7

8.8 ± 4.3

8.4 ± 2.8

9.3 ± 4.0

7.9 ± 2.8

8.1 ± 2.6

8.3 ± 2.6

8.1 ± 2.5

8.2 ± 2.8

7.8 ± 3.1

8.5 ± 2.5

8.4 ± 2.7

8.4 ± 2.8

8.2 ± 2.6

8.3 ± 3.0

Alpha

13.5 ± 10.1

14.7 ± 11.2

12.3 ± 9.6

15.6 ± 12.3

12.6 ± 11.0

12.9 ± 8.6

12.5 ± 9.9

13.0 ± 9.8

12.5 ± 10.2

11.7 ± 9.7

13.5 ± 9.2

13.6 ± 9.8

12.3 ± 9.6

12.2 ± 8.9

12.5 ± 9.1

Beta

5.2 ± 2.2

6.3 ± 3.9

5.0 ± 2.0

6.2 ± 3.0

5.1 ± 2.7

5.2 ± 1.8

5.1 ± 1.9

5.1 ± 2.2

4.9 ± 2.0

4.6 ± 2.0

5.2 ± 2.1

5.1 ± 2.0

5.0 ± 2.0

4.9 ± 1.9

4.9 ± 2.0

O2 − A2

Delta

13.2 ± 3.7

15.0 ± 6.0

13.9 ± 4.2

14.1 ± 4.1

12.3 ± 2.7

12.3 ± 1.7

12.1 ± 2.1

12.0 ± 2.8

12.5 ± 3.1

11.8 ± 1.8

14.1 ± 3.7

13.7 ± 4.0

13.9 ± 4.2

14.0 ± 4.9

14.2 ± 5.0

Theta

8.3 ± 2.5

8.6 ± 2.9

8.7 ± 3.3

8.5 ± 2.6

8.2 ± 2.4

7.7 ± 1.7

7.8 ± 2.1

7.9 ± 2.4

7.9 ± 2.1

7.6 ± 2.0

8.7 ± 3.1

8.6 ± 3.4

8.7 ± 3.3

8.3 ± 3.0

8.5 ± 3.4

Alpha

13.7 ± 9.2

15.0 ± 10.4

11.9 ± 10.5

15.3 ± 10.7

12.2 ± 9.1

11.6 ± 7.1

10.9 ± 7.1

11.4 ± 7.4

11.1 ± 7.3

10.6 ± 6.9

13.3 ± 9.9

12.5 ± 9.9

11.9 ± 10.5

11.7 ± 9.1

12.2 ± 9.8

Beta

5.2 ± 2.4

6.2 ± 3.3

4.8 ± 2.0

5.9 ± 2.5

4.7 ± 2.1*

4.6 ± 1.4

4.5 ± 1.5

4.5 ± 1.7

4.5 ± 1.6

4.3 ± 1.4

5.2 ± 2.2

4.9 ± 1.9

4.8 ± 2.0

4.7 ± 1.9

4.7 ± 2.1

  1. Comparisons were of post and during values compared with the pre values of the respective session, i.e., ANYB, BAW and QS. p < .05, RM ANOVA, followed by post hoc tests with Bonferroni adjustment
  2. ANYB alternate nostril yoga breathing, BAW breath awareness, QS quiet sitting