brain activity and meditation

2:24

4:04

3:48

4:00

5:06

10:02

3:00

1:40

10:05

20:35

4:36

3:08

1:02:52

3:24

8:27

14:17

4:32

11:18:24

3:00:32

5:11

6:53

13:02

1:27:09

1:16

3:00:09

1:11:11

4:01

17:53

21:49

2:16:01

00:45

1:01:06

9:04

1:00:13

2:25

8:45

40:14

14:14

15:04

4:03

5:58

6:23

5:00

7:47

40:29

10:19

6:36

1:00:59

58:15

4:34

4:00

3:41

5:06

1:37

8:00:01

11:46

5:12

10:27

5:15

4:48