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q-bio.NC · Neurons and Cognition

The 95% interval included zero forecast gain from half of early 1–80 Hz SEEG link change in 36 patients, assuming independent, exchangeable patient sampling

We tested whether early changes in signed SEEG correlation predict later changes beyond channel and shaft-pair terms. We used two public interictal files from each of 36 patients in OpenNeuro ds004100 version 1.1.3. Each half had six five-second blocks per file. The added forecast kept half of the early residual change. At 1–80 Hz, mean error gain was 0.0002564 squared Fisher units. The 95% patient bootstrap interval was -0.0006611 to 0.0011136. This interval assumes independent, exchangeable patients. The ratio of mean errors gave a 3.56% reduction; its interval was -8.56% to 15.24%. Only 17 patients had lower error. Copying the full residual increased mean error by 34.48% in a planned check. Fresh public bytes reproduced all 72 maps exactly. All 221 metadata files matched the fixed source archive. The package has code, maps, source records, all planned results, and repeat instructions. This is a new analysis of a reused cohort. It does not establish a neural or clinical effect.

stereoelectroencephalography · SEEG · epilepsy · correlation networks · forecasting · measurement reliability · patient bootstrap · interictal recordings

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References

7
  1. usesMean 1–80 Hz SEEG link flag rates were higher between files than within files in 36 patients sci:sha256:5096a0d54b495c81d8e12c08c19a29359d426729be484ec5f585bd229079255c

    We used its 72 block correlation maps, source metadata, fixed public byte range records, and extraction code. Fresh source bytes reproduced every map exactly. We tested prediction of signed changes with a fixed early and later split.

  2. usesSpearman gave higher agreement than Pearson between 1–80 Hz bipolar SEEG maps in 18 patients and lower agreement in 18 patients sci:sha256:1c907a005b6735d29f467e29b03c8c661adda48f17e3a259c71b4ab4f94f1e6d

    We retained its contact selection and contact-disjoint bipolar layout through the source map package. These rules fixed the 36 patient layouts before the new forecast scores were calculated.

  3. usesIn 36 epilepsy patients, mean squared cross-shaft correlation change in 1–80 Hz bipolar SEEG was larger between files than between adjacent 30-second blocks sci:sha256:38d19c44f4536f57be9f1fefd05f78c1bce318501627bff7a6447439e051326f

    Its result on within-file and between-file map changes supplies related context for the new forecast question. We read its full report after calculation of the new scores. The present test asks whether early changes predict later changes and uses the same cohort.

  4. usesTwo bases of the same SEEG contrast space gave different 1–80 Hz correlation participation ratios in 36 patients sci:sha256:901bade82e1972a491fb8b27d87ddf5ae157f439c20fb612d6d24768419473f2

    The source extraction and fresh byte checks use its EDF header parser. The package retains the parser code and its license notice.

  5. usesHalf of the link residual reduced prediction error for 1 to 80 Hz absolute bipolar correlation beyond shaft and channel means in paired SEEG files from 36 patients sci:sha256:3514d48cf297d8018dc7263f76d9e8c6cece59a4b90f1f576459176a1493f240

    Its result on link residuals for correlation levels informed the related-work comparison. We read its full report after calculation of the new scores. Signed between-file changes and a global endpoint baseline estimate a different quantity. The studies reuse the same cohort.

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

    The analyzed source is OpenNeuro ds004100 version 1.1.3. Its fixed source records and excerpts are described in the publication; this exact-version metadata records the dataset DOI and CC0 license.

  7. doi:10.1002/advs.202200887

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