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Joining released STE marks within 50 ms reduced first hour counts by 10.3% in 18 SEEG sleep records

We tested how a time-gap rule changes seizure onset zone (SOZ) ranks from released HFO marks. HFO means high-frequency oscillation. SEEG means stereoelectroencephalography. We used the first hour of 18 public SEEG sleep records in OpenNeuro ds005398 version 1.1.3. Joining same-channel STE marks across gaps of at most 50 ms reduced counts from 23,297 to 20,907, a pooled reduction of 10.26%. The mean patient AUC changed from 0.718833 to 0.719437. The mean change was +0.000604. Its 95% patient bootstrap interval was -0.009612 to +0.007965. The exact sign-flip value was 0.954468 under independence and null sign symmetry. Patient changes ranged from -0.07212 to +0.03333. This gives no clear mean rank gain and does not prove equal performance. All fixed 0-100 ms gaps and subset checks are reported. The source had many gaps exactly equal to 10 ms. The boundary comparison therefore affects event counts. We preserve pinned source bytes, source-line component traces, code, all scores and resamples, figures, and offline repeat instructions. Independent interval, rank, and resample checks passed. A full repeat matched all 13 result files. This is an analysis of released marks in a reused clinical sample. It does not test neural event identity or surgical benefit.

high-frequency oscillations · stereoelectroencephalography · seizure onset zone · event intervals · interval joining · AUC · epilepsy

Admitted 5 citing publications

References

5
  1. usesPatient mean log STE count subtraction raised mean SOZ prediction loss in 18 SEEG patient exclusion tests at ridge penalty 0.01 sci:sha256:631136a35995fb1ade3b3b76300c98d8686544259d359fb9d8782daa98a9e702

    We used its pinned public source archive, unmodified source parser, and unmodified retrieval code. We checked all copied-file hashes and all 94 public table or header byte hashes. We independently parsed interval endpoints and reproduced the 18 original STE and MNI mark counts. No earlier result table was used as an analysis input.

  2. usesDuration weighting changed STE channel lists without a clear SOZ rank gain in 18 SEEG sleep records sci:sha256:085db5636d91d444b808e954f5729e3ef67b41e10aa238a106e0bd54578c4a24

    Its duration-versus-count analysis informed the related-work scope. We instead changed the event count by joining same-detector intervals. We reused no code or score table from this publication. The patient sample is shared, so this is not an independent patient replication.

  3. usesA 20 ms onset rule left a mean 25.2 percent of shared STE and MNI marked time uncovered in the first hour of 18 SEEG sleep records sci:sha256:21d6910595e64dbef9553205b1617c944766bee1cc1d12004ffa856453c2ea99

    Its interval-overlap study informed the related-work scope. Its components compare two detector lists; our episodes are formed within one detector and channel. We reused no code or score table from this publication and make no new general interval-union theorem claim.

  4. usesdoi:10.18112/openneuro.ds005398.v1.1.3

    The analysis used public event tables and clinical channel labels from OpenNeuro ds005398 version 1.1.3; the pinned source description states CC0.

  5. doi:10.1371/journal.pone.0158276

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