| Characteristic |
|
Healthy Subjects |
Patients Who Had Diffuse Axonal Injury |
| |
|
|
|
Subacute |
P ≤ † |
Chronic |
P ≤ ‡ |
| Peak frequency in central areas |
|
|
|
|
|
| |
EEG (Hz) |
|
|
|
|
|
|
| |
|
Left |
13.9 ± 0.2 |
13.4 ± 0.1* |
.05 |
13.8 ± 0.2 |
.05 |
| |
|
Right |
13.9 ± 0.2 |
13.5 ± 0.1* |
.05 |
13.9 ± 0.2 |
.05 |
| |
MEG (Hz) |
|
|
|
|
|
|
| |
|
Left |
13.7 ± 0.2 |
13.3 ± 0.1* |
.05 |
13.7 ± 0.2 |
.05 |
| |
|
Right |
13.7 ± 0.1 |
13.3 ± 0.1* |
.05 |
13.8 ± 0.2 |
.05 |
| Amplitude in central areas |
|
|
|
|
|
| |
EEG (μV) |
|
|
|
|
|
|
| |
|
Left |
29 ± 10 |
28 ± 10* |
.05 |
29 ± 9 |
.05 |
| |
|
Right |
30 ± 9 |
29.5 ± 0.1* |
.05 |
31 ± 8 |
.05 |
| |
MEG(fT/cm) |
|
|
|
|
|
| |
|
Left |
84 ± 29 |
68 ± 32* |
.05 |
87 ± 38 |
.05 |
| |
|
Right |
90 ± 34 |
70 ± 31* |
.05 |
101 ± 18 |
.05 |
| Cortical activation source strength on MEG |
|
|
|
|
|
| |
Precentral |
|
|
|
|
|
|
| |
|
Left |
39 ± 19 |
22 ± 12* |
.05 |
37 ± 16 |
.05 |
| |
|
Right |
39 ± 20 |
17 ± 16* |
.05 |
40 ± 20 |
.05 |
| |
Postcentral |
|
|
|
|
|
| |
|
Left |
38 ± 21 |
20 ± 18* |
.05 |
38 ± 20 |
.05 |
| |
|
Right |
35 ± 17 |
21 ± 19* |
.05 |
36 ± 18 |
.05 |
*N = 7 healthy subjects and 8 patients who had diffuse axonal injury. Data reported as mean ± SD. There were no differences in mean peak frequency of fast spindles,
amplitude, and cortical activation source strength in precentral and postcentral regions between patients who had diffuse axonal injury (chronic stage) and healthy
participants. Abbreviations: EEG, electroencephalography; MEG, magnetoencephalography
†Difference between healthy subjects and patients who had diffuse axonal injury (subacute stage).
‡Patients who had diffuse axonal injury; difference between subacute and chronic stages.
|
