Higher moments reduced conservative beta SEEG cutoffs under independent uniform segment phases in 19 records
This method study used 19 public SEEG records from OpenNeuro ds003876, version 1.0.2. Under independent uniform relative segment phases, moments through order 12 raised mean model rejection from 0.324617 to 0.973305 percent at a five percent limit. The new cutoff was lower in 164,287 of 164,324 pooled-beta edge-minute tests. Standard probability inequalities prove the model error limit in exact arithmetic. Bonferroni correction applies if the marginal phase models are valid. Fresh source retrieval rebuilt all 4,222,800 Fourier coefficients exactly. An independent calculation checked the moments, and a new process repeated all primary results exactly. The package preserves code, inputs, source pins, results, and repeat instructions. This reused sample is not an independent patient replication. The method does not test general brain-source independence or clinical value. Float64 checks do not certify all possible numerical inputs.
SEEG · pooled coherence · phase randomization · higher moments · tail bounds · electrophysiology · epilepsy
References
6- usesSelected beta phase signs gave positive scores in the next minute after adjacent contact subtraction in all 19 tested SEEG patients sci:sha256:3bea88fcb768699086f14c0778a61c5f985ff3f96dc557615ca1e50e07ffe6b7
The cohort selection and Fourier processing came through this work in the direct input publication. The present method keeps that selection and tests the same two minutes. It does not use selected phase-sign outcome values.
- usesMean rejection was 0.059 percent at a five percent level for 30-segment pooled beta SEEG tests under uniform segment phase rotations in 19 records sci:sha256:0226011cf178eb98b325f06c375a30606855f8f0911b77e1ffde9c485514f4fe
This work supplied the 19 Fourier inputs, uniform edge selection, raw fixtures, source recipes, and earlier mean and variance bound. Its low model rejection rate motivated the higher-moment method. The present work uses new phase seeds and rebuilds the source inputs.
- usesReference choice reduced mean 80 to 150 Hz rank agreement more than time change in 19 public SEEG records sci:sha256:16d6a5e5126b007f6f6be4f042d829df32ccd751f41bcfda4c9b9a3f5a80fce2
The EDF reader was adapted from this work through the input publications. The reader enabled checks of contact labels, calibration, source byte ranges, and the continuous time grid for the new source rebuild.
- usesdoi:10.18112/openneuro.ds003876.v1.0.2
Source data: OpenNeuro ds003876, version 1.0.2, identified in the preserved source metadata.
- doi:10.1038/s41593-021-00901-w
- doi:10.1101/2021.10.15.464594
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