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Table 1 Amplitudes and latencies derived from 9 pre-selected channels for the congruent and incongruent conditions in MwA and HCs

From: Characteristics of N400 component elicited in patients who have migraine with aura

 

Congruent condition

Incongruent condition

MwA

(n = 33)

HCs

(n = 20)

Statistics

MwA

(n = 33)

HCs

(n = 20)

Statistics

F3

Averaged N400 (μV)

6.20 ± 3.55

9.50 ± 6.47

p = 0.095

3.51 ± 3.94

7.13 ± 6.55

p = 0.072

Peak (μV)

10.85 ± 5.70

15.01 ± 9.65

p = 0.132

8.65 ± 5.21

13.18 ± 9.97

p = 0.095

Latency (ms)

380 ± 60

389 ± 49

p = 0.600

396 ± 71

393 ± 70

p = 0.876

Fz

Averaged N400 (μV)

6.61 ± 4.28

10.88 ± 7.37

p = 0.099

2.95 ± 4.39

8.28 ± 6.31

p = 0.004*

Peak (μV)

10.89 ± 5.43

16.82 ± 10.46

p = 0.056

8.01 ± 5.16

14.57 ± 9.35

p = 0.010

Latency (ms)

383 ± 62

387 ± 59

p = 0.818

397 ± 72

422 ± 51

p = 0.145

F4

Averaged N400 (μV)

7.10 ± 3.58

10.52 ± 6.94

p = 0.110

3.55 ± 3.79

8.20 ± 6.14

p = 0.004*

Peak (μV)

10.96 ± 5.19

16.30 ± 10.50

p = 0.078

8.27 ± 4.94

14.28 ± 10.27

p = 0.024

Latency (ms)

383 ± 58

393 ± 58

p = 0.576

407 ± 74

419 ± 54

p = 0.538

C3

Averaged N400 (μV)

5.67 ± 3.21

8.23 ± 4.90

p = 0.085

1.55 ± 3.59

4.88 ± 4.20

p = 0.009

Peak (μV)

9.42 ± 4.03

12.60 ± 6.91

p = 0.097

5.44 ± 4.23

9.93 ± 6.35

p = 0.004*

Latency (ms)

392 ± 52

388 ± 50

p = 0.751

404 ± 70

402 ± 72

p = 0.915

Cz

Averaged N400 (μV)

6.46 ± 3.66

9.49 ± 5.64

p = 0.036

1.82 ± 4.22

5.17 ± 4.74

p = 0.024

Peak (μV)

10.25 ± 4.16

14.16 ± 7.45

p = 0.072

5.98 ± 4.90

10.53 ± 6.60

p = 0.009

Latency (ms)

388 ± 51

388 ± 55

p = 0.961

397 ± 75

402 ± 74

p = 0.808

C4

Averaged N400 (μV)

6.64 ± 3.03

8.55 ± 5.70

p = 0.193

2.56 ± 3.61

5.75 ± 4.56

p = 0.017

Peak (μV)

9.93 ± 3.61

13.02 ± 7.17

p = 0.119

6.60 ± 4.35

10.57 ± 6.46

p = 0.020

Latency (ms)

371 ± 58

383 ± 51

p = 0.444

395 ± 78

402 ± 75

p = 0.757

P3

Averaged N400 (μV)

5.52 ± 3.02

7.11 ± 4.41

p = 0.279

2.28 ± 3.38

4.33 ± 3.65

p = 0.075

Peak (μV)

8.72 ± 3.16

11.13 ± 5.13

p = 0.102

5.81 ± 4.45

9.19 ± 4.08

p = 0.007

Latency (ms)

390 ± 48

383 ± 57

p = 0.616

385 ± 76

411 ± 71

p = 0.228

Pz

Averaged N400 (μV)

6.75 ± 3.13

7.89 ± 5.03

p = 0.769

2.74 ± 3.15

5.13 ± 3.71

p = 0.016

Peak (μV)

10.04 ± 2.96

12.52 ± 5.29

p = 0.128

6.23 ± 3.77

10.17 ± 4.66

p = 0.001*

Latency (ms)

385 ± 55

375 ± 62

p = 0.554

358 ± 84

409 ± 74

p = 0.030

P4

Averaged N400 (μV)

7.39 ± 3.06

7.72 ± 4.91

p = 0.927

3.68 ± 2.87

4.86 ± 3.72

p = 0.248

Peak (μV)

10.32 ± 3.24

11.40 ± 5.35

p = 0.533

7.13 ± 3.10

9.49 ± 4.21

p = 0.021

Latency (ms)

374 ± 59

384 ± 60

p = 0.574

336 ± 83

386 ± 92

p = 0.049

  1. MwA patients who have migraine with aura, HCs healthy controls, μV microvolts, ms milliseconds, Averaged N400 averaged amplitudes from N400 effect window (260–460 ms), * – significant after FDR correction
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The Journal of Headache and Pain

ISSN: 1129-2377

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