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Quantitative electroencephalography (QEEG) findings |
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| AUDS patients n = 16 |
MDE patients n = 16 |
p-valuea |
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|
|
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| Delta activity (μV) |
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|
|
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| frontocentral |
8.8 (2.3) |
7.6 (1.6) |
0.08 |
|
|
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| temporal |
10.3 (3.1) |
8.5 (1.6) |
0.03 |
|
|
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| parietooccipital |
8.8 (2.9) |
7.21 (1.4) |
0.10 |
|
|
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| Theta activity (μV) |
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|
|
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| frontocentral |
7.6 (3.4) |
6.9 (2.5) |
0.78 |
|
|
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| temporal |
9.0 (4.3) |
7.8 (2.5) |
0.67 |
|
|
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| parietooccipital |
8.5 (4.2) |
7.5 (2.8) |
0.56 |
|
|
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| Alpha activity (μV) |
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|
|
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| frontocentral |
10.9 (4.8) |
11.7 (4.6) |
0.59 |
|
|
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| temporal |
12.4 (5.8) |
12.7 (4.8) |
0.62 |
|
|
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| parietooccipital |
14.9 (9.3) |
15.1 (5.8) |
0.42 |
|
|
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| Alpha peak frequency (Hz) |
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|
|
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| occipital |
9.94 (0.63) |
10.24 (0.73) |
0.27 |
|
|
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| occipital absolute side difference |
0.86 (0.71) |
0.46 (0.38) |
0.13 |
|
Mean regional spectral amplitudes in μV (Standard deviation, SD) and alpha peak frequency in Hz (SD). Test 1, 2 and 3, (left and right side) values have been averaged. aMann-Whitney U test, AUDS: Acute Unstable Depressive Syndrome. MDE: Major Depressive Episode | |||
Bjørk et al. BMC Psychiatry 2008 8:89 doi:10.1186/1471-244X-8-89 |
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