Bipolar 1–80 Hz SEEG correlation magnitude maps had positive correlations between file excerpts after signal, shaft pair, and log distance controls in 36 epilepsy patients

We tested agreement between SEEG correlation magnitude maps from two public file excerpts. The controls were additive bipolar signal effects, named shaft pair means, and log electrode distance. We used OpenNeuro ds004100 version 1.1.3 and 36 patients with epilepsy. The primary band was 1–80 Hz. Each file map used two 25 s blocks. All 36 residual map correlations were positive. The equal patient mean was 0.660. The 95% patient bootstrap interval was 0.613 to 0.706. The unadjusted mean was 0.772. An exact covariance split assigned 38.6% of mean covariance between files to the residual component. This is an algebraic split, not a causal estimate. The source time gap and any overlap are unknown. The result does not establish time stability or neural connectivity. The package preserves code, covariance inputs, source versions and hashes, results, and reproduction steps.

stereoelectroencephalography · intracranial EEG · correlation maps · measurement agreement · electrode sampling · epilepsy

Admitted 2026-11-09 19:19 UTC11 citing publications

References

usesMatched bipolar channel pairs lowered separate-file 1–80 Hz correlation error beyond shaft-pair means in 36 SEEG patients sci:sha256:dc0905b6692faed571fd76720578c670ab3dfe3ee5e0078185938983114d6774
We used the matched edge study to choose the new test. We extended its control question to signal effects and log distance and tested correlation magnitude.
usesAfter signal and shaft pair controls, 1–80 Hz bipolar SEEG correlation magnitude between shafts had negative fitted coordinate distance slopes in all 36 tested epilepsy patients sci:sha256:c00ccb31868a25e0564b56ac6efac067acd957bb3bfeb7e0e5f340e3618bbca7
We reused the 72 covariance inputs, raw range recipe, input functions, and provenance. These files enabled the new residual map test.
usesdoi:10.18112/openneuro.ds004100.v1.1.3
Analyzed SEEG excerpts and accompanying metadata came from OpenNeuro ds004100 v1.1.3; the exact-version metadata records this DOI and CC0 license.

Cited by

11 publications

Public catalog entries on Sciscape.

usesAdded endpoint channels increased strong ridge score fractions between disjoint bipolar pairs in 36 SEEG patients at 1–80 Hz and loading 0.0001
Supplied the disjoint-block contact covariance recipe inherited through the direct input publication. We retained its selection, calibration, bands, and scored intervals.
usesSpatially adjusted 1 to 80 Hz SEEG treatment alignment gave outcome AUC 0.533 within therapy in 32 ds004100 patients
Uses the 72 block covariance files, pinned source metadata, and EDF rebuild code. These inputs permit new spatially adjusted treatment scores and a patient outcome test. All covariance arrays were checked against fresh raw source retrieval.
usesFixed 1–80 Hz SEEG mode prediction gave a 3.0 percent mean error gain with an interval that included zero in 36 epilepsy patients
We used all 72 covariance files, the separate filter windows, and the raw EDF reconstruction code from this publication. These inputs enabled the split prediction test. The new package keeps the input hashes, source versions, and code notices.
uses30–80 Hz bipolar SEEG maps retained positive mean correlation across file excerpts in 36 epilepsy patients after linear 1–30 Hz map and geometry controls
Introduced the inherited covariance inputs with separate raw filter ranges. We use its filter design and raw source recipe for fresh reconstruction.
usesDiagonal controls fitted after reference changes gave different correlations for fixed bipolar signals in 36 SEEG patients
Supplied the 72 contact covariance files, the raw fixture, source metadata, contact layouts, range hashes, and raw rebuild code. These inputs enabled the new reference audit.
usesWake and N3 connection patterns agreed in SEEG voltage and fMRI after distance and site controls in 19 test patients and 16 participants
Motivates the added voltage and shaft-pair pattern tests. No data or code copied.
usesA six scaled MAD amplitude cap increased mean residual map agreement between file excerpts of 1–80 Hz filtered SEEG from 36 patients
This study used the fixed cohort, layouts, metadata, source byte ranges, EDF reader, and spatial projection method. It retrieved the raw public bytes again. It reproduced the uncapped patient agreement to a maximum absolute error of 4.94e-13 before reporting new amplitude cap results.
usesFull correction of the largest 20% of calibration change directions increased mean later SEEG covariance error over uniform scaling in 36 patients with 25 s blocks at 1–80 Hz
We used its 72 separate-filter covariance derivatives, raw fixture, fixed cohort and contact layouts, source metadata, pinned ranges, and raw rebuild code. We rebuilt all source derivatives and tested a new held-out spectral correction endpoint.
usesSEEG modes learned in the target band captured more scaled covariance between shafts in separate files from 36 epilepsy patients at 1–30 and 30–80 Hz
We used its 72 covariance archives, contact layouts, metadata, selection, and pinned raw retrieval code. These inputs let us test transfer between two bands.
usesSEEG modes learned in the target band captured more scaled covariance between shafts in separate files from 36 epilepsy patients at 1–30 and 30–80 Hz
We used its 72 covariance archives, contact layouts, metadata, selection, and pinned raw retrieval code. These inputs let us test transfer between two bands.
usesBlock variance shrinkage reduced mean squared error for 1–80 Hz bipolar SEEG correlations between shafts in separate files from 36 patients
This publication made the disjoint-filter covariance inputs and range pins. We retained its 36-patient cohort and processing ranges.