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Table 1 Impairment scales, ERD, and frequencies during imagery for ALS patients

From: The correlation between motor impairments and event-related desynchronization during motor imagery in ALS patients

ALS

Lt U/E MMT

Rt U/E MMT

Bulbar scale

ADL (limb scale)

Lt hand imagery

Rt hand imagery

ERD at C3

F

ERD at C4

F

ERD at C3

F

ERD at C4

F

1

6

6

38

14

74

18

71

14

64

12

71

15

2

10

10

33

4

87

13

84

19

74

26

82

13

3

12

24

32

32

82

20

75

21

85

12

67

19

4

29

20

21

43

87

17

86

18

90

19

90

24

5

11

11

12

6

88

9

91

13

93

26

90

16

6

10

10

25

2

89

14

90

16

87

12

91

14

7

14

14

2

10

98

12

95

12

98

13

95

11

8

17

10

22

13

92

21

95

8

90

26

80

15

mean

13.6

13.1

23.1

15.5

87.1

15.5

85.9

15.1

85.1

18.3

83.3

15.9

SD

7.0

6.0

11.8

14.5

7.0

4.2

8.9

4.2

11.0

6.8

10.1

4.0

  1. Abbreviations: U/E MMT, upper extremity’s MMT; ERD at C3/4, ERD at C3/4 (%); F, frequency (Hz).