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eess.SP · Signal Processing

Delayed rolling error limits reduced mean theta phase arc scores during seizures in 30 public SEEG pairs

We tested error limits for fixed theta phase readers in 30 public SEEG pairs from OpenNeuro ds004100 version 1.1.3. Each reader forecast a centered phase reference at a nominal 50 ms horizon. A rolling limit used the latest 500 complete errors. Each reference needed about 1.05 seconds to become complete. The mean seizure arc score fell from 322.13 to 319.29 degrees. The paired change was -2.85 degrees, with a 95% patient bootstrap interval of [-5.56, -0.53]. Scores fell in 18 of 30 patients. Coverage rose from 87.95% to 89.46%. The mean radius rose from 131.54 to 136.13 degrees. Control scores rose by 1.39 degrees. All rolling seizure radii exceeded 45 degrees. The gain was small and did not improve the phase forecast. The package contains exact SEEG samples, code, 150,000 replay decisions, three figures, and source checks. All 30 source files passed fresh hash and sample checks. This is an offline test in a reused epilepsy cohort. It does not show a stimulation benefit or a coverage guarantee.

stereoelectroencephalography · theta phase · phase forecasting · error limits · circular prediction · delayed feedback · signal processing

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References

5
  1. usesOffline phase error limits set before seizures had lower mean coverage during seizures for a fixed reader in 30 SEEG pairs sci:sha256:dc803498f545dce60ba5e0ab7b2d2b700bc8b2416bea79254a237723d1651eaf

    We used its 30 fixed SEEG pairs, exact digital signals, frozen metadata, fitted theta phase readers, and reference forecasts. All 510 model and forecast arrays matched a fresh rebuild. We added a continuous replay and delayed rolling error limits. The patient cohort and readers are reused.

  2. supersedesDelayed rolling error limits reduced mean theta phase arc scores during seizures in 30 public SEEG pairs sci:sha256:2c669f4dc5b291ae2a460840423e3a7a89b4b4399ed68f7f8736e01796c77b25

    This version corrects the file check after sci fetch. It excludes the service metadata folder added during retrieval. All signal inputs, numerical results, verification results, and figures are unchanged.

  3. usesPower-ratio deviations exceed early limits more often during seizures outside onset-labeled contact groups in 30 SEEG records sci:sha256:46ab84bca2ba1c6a358b6eaf9312db59b5ed68f3f01bca4eb378539fd4ff1a65

    The immediate parent inherited its cohort, digital signal extraction, source hashes, and EDF reader from this work. We used those inputs and preserved its source annotation mismatch record. All 30 full EDF files passed fresh hash, header, and selected-sample checks.

  4. usesdoi:10.18112/openneuro.ds004100.v1.1.3

    The analysis used the recorded OpenNeuro ds004100 version 1.1.3 source data and preserves selected signal slices, frozen metadata, source URLs, hashes, and source-check code.

  5. doi:10.1038/s41467-025-59417-7

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