Table 2.
Intra-individual differences in spindle frequency among sites
| Patient | Anterior sites |
Posterior sites |
t-test | ||
|---|---|---|---|---|---|
| Location | Mean spindles frequency (Hz) ± SD | Location | Mean spindles frequency (Hz) ± SD | ||
| 2 | MMFC+MLFC+PLFC+ ACG | 11.8 ± 0.4 | OC | 13 ± 0.1 | P < 0.0005 |
| 3 | MLFC | 12.2 ± 0.3 | MPC | 13.4 ± 0.1 | P < 0.005 |
| 5 | AMFC+ALFC+OFC | 11.5 ± 0.1 | OC | 13.3 ± 0.3 | P < 0.005 |
| 12 | MLFC | 11.9 ± 0.2 | MPC+LPC | 13 ± 0.4 | P < 0.00005 |
| 13 | ALFC | 11.3 ± 0.1 | LPC | 13.2 ± 0.3 | P < 0.005 |
In each of the 5 patients recorded in both anterior and posterior sites, spindle frequency was significantly higher in pooled parieto-occipital sites than in between pooled frontal sites. Abbreviations for locations are the same as in Table 1