Table 4.
Spike-wave sources from eLoreta for 9 independent records, 2015–2018, bandpass 0.53–70/150 Hz, 1-s epochs.
| Subject year recorded |
Spike-Waves |
B10 MFG (frontal lobe) |
B11/B47 MFG SFG IFG (frontal lobe) |
B6 MFG (frontal lobe) |
B17/B18/B19 IOccG MOccG pCun Cun Ling (occipital lobe) |
Spike-Wave spectral peaks from independent components | ||
|---|---|---|---|---|---|---|---|---|
| 1. 2015 | 3.025-s segment At O1, O2, Oz 0.53-150 Hz 1-s epochs |
35.5% B19 MOccG -25 -95 10 14.5% B18 Cun 15 -100 15 |
5.37, 10.74, 16.13, 22.46, 28.32, 33.20, 38.58, 42.97,… 60.55, 66.41, 71.78, 77.15, 83.01 | |||||
| 3. 2015 | 8.2-s segment At O1, O2, Oz 0.53-150 Hz 1-s epochs |
7.1% B11 MFG -10 65 -15 |
23.8% B17 Ling 20 -95 -5 19.1% B19 MOccG -40 -90 5 |
5.36, 10.74, 15.63 Hz | ||||
| 6. 2015 | 12.0-s segment At O1, O2, Oz 0.53-150 Hz 1-s epochs |
7.9% B10 MFG 10 65 0 |
7.9% B6 MFG 5 -30 70 |
17.3% B19 IOccG -40 -85 -10 9.5% B18 Cun 15 -100 0 7.4% B19 MOccG 45 -85 10 |
3.91, 7.81, 11.72, 15.63, 19.53, 23.44, 27.34, 31.25, 32.23, 36.13, 40.04, 43.95, ..72.27, 76.17, 80.08… Hz | |||
| 7. 2015 | 7.0-s segment At O1, O2, Oz, Cz 0.53-150 Hz 1-s epochs |
6.4% B47 IFG -50 45 -10 |
25.3% B17 Ling -15 -95 -15 18.3% B19 Cun 25 -95 25 |
5.85, 11.72, 17.58, 23.44, 37.11, 41.99, 58.59, 64.45, 70.31, 76.17, 83.01, 85.94, 88.87, 92.77 … 105.47, 110.35 … .Hz | ||||
| 11. 2015 | 8.6-s segment At O1, O2, Oz 0.53-150 Hz 1-s epochs |
22.2% B18 Cun -25 -95 -5 18.6% B18 MOccG 20 -100 5 9.2% B19 MOccG -50 -80 0 |
4.88, 9.77, 14.65, 20.51, 25.39, 30.27, 38.09, … 59.57, 65.43, 69.34 … .. Hz | |||||
| 15. 2016 | 10.6-s segment At O1, O2, Oz 0.53-70 Hz 1-s epochs |
21.7% B17 Ling -10 -95 -20 21.1% B18 IOccG 25 -90 -15 7.2% B18 Ling -5 -90 -20 |
7.81, 12.7, 15.63, 23.44, 30.27/31.25, 40.04,… Hz | |||||
| 15. 2018 | 8.3-s segment At O1, Oz, O2 0.53-150 Hz 1-s epochs |
24.2% B7 pCun 10 -80 40 12.3% B18 MOccG -5 -100 10 9.7% B18 Ling 0 -80 5 3.8% B19 IOccG 45 -85 -10 |
4.88/5.86, 10.74, 16.1, 21.48, 26.37, 28.32… 60.55, 66.41..Hz | |||||
| 24. 2016 | 5.0-s segment At O1, O2, Oz 0.53-70 Hz 1-s epochs |
12.3% B11 SFG 30 60 -10 Slow wave cmpt |
20.3% B17 Cun 15 -90 5 17.4% B17 Ling -10 -95 -20 |
6.84, 10.74, 13.67, 21.48, 28.32, 35.16, 41.99 Hz | ||||
| 26. 2016 | 50.0-s segment At O1, O2, Oz 0.53-70 Hz 2-s epochs |
9.4% B47 IFG 50 45 -10 Slow wave cmpt |
29.7% B18 Ling -20 -100 -10 10.9% B17 Ling 5 -95 -5 |
3.42, 6.84/7.32, 10.74, 14.16, 17.58,21.00/21.48 Hz | ||||
| Sub-Totals | 7.9% | 35.2% | 7.9% | 399.0% | ||||
| Norm. to 100% | 1.8% | 7.8% | 1.7% | 88.7% | ||||
| ROIs Norm. to 100% | B10 B11 B47 Frontal 9.6% | B6 Frontal near vertex 1.7% | B17 B18 B19 Occipital 88.7% | |||||
MFG, SFG, IFG = medial, superior and inferior frontal gyri; IOccG, MOccG, inferior and middle occipital gyri; pCun, Cun, Ling, precuneus, cuneus, and lingual gyrus. For each subject, the 3–6 strongest ICs were used that accounted for at least 50% of the signals’ variance, then normalized to exactly 50% variance, for each subject. The final totals across all the recordings are normalized to 100%. An IC algorithm was used for subjects 3 and 11 to remove eye-blinks.