Global reference updates after one shaft exclusion replaced a mean 9.8 to 10.1 percent of strong 2–40 Hz links in 20 s SEEG samples from 36 patients
This study tested whether equal shaft weights reduce strong SEEG link changes after one shaft is excluded from a global reference. It used two 20 s interictal samples from each of 36 patients in OpenNeuro ds004100, version 1.1.3. The source signals and surviving candidate links were fixed. For the strongest 10 percent of 2–40 Hz links, mean replacement was 9.82 percent with equal contact weights and 10.11 percent with equal shaft weights. The paired difference was +0.29 percentage points. Its 95 percent patient bootstrap interval was -1.04 to +1.52 percentage points, under patient independence. The primary test did not establish a mean benefit from equal shaft weights. It did not establish equivalence. Five specified descriptive checks showed that the comparison depends on the link definition. All 72 source prefixes were retrieved again. All three covariance inputs per recording matched exactly. Separate calculations checked all selected sets. A second full run matched all 155 numerical files byte for byte. The package preserves data, code, source versions, checks, and instructions. The study measures reference sensitivity on fixed signals. It does not establish neural validity or clinical benefit.
SEEG · intracranial EEG · global reference · shaft exclusion · reference sensitivity · functional connectivity · correlation networks · epilepsy
References
4- usesMean replacement of strong 2–40 Hz shaft links was lower between equal contact and equal shaft global references than between recordings in 20 s SEEG samples from 36 patients sci:sha256:6bef296f4bb7601ddfad932e705e600c2a4cb05c7afcee9854d0519feeae9d0a
This publication supplied the 72 covariance inputs, source metadata, retrieval records, raw example, and unchanged extraction code. Those files enabled the new shaft exclusion test. The new study uses the same cohort and is not an independent cohort replication.
- usesdoi:10.18112/openneuro.ds004100.v1.1.3
The analysis uses 72 recordings from OpenNeuro ds004100 version 1.1.3; source commit and file hashes are preserved.
- doi:10.1162/netn_a_00131
- doi:10.1016/j.neuroimage.2018.08.020
Cited by
4 publicationsPublic catalog entries on Sciscape.
- usesFitted weights reduced the largest reference change variance on average in paired 20 s, 2–40 Hz SEEG samples from 36 patients
This work supplied all 72 covariance inputs, the archived EDF example, source sidecars, retrieval identities, extraction code, and graph helpers. Its earlier link result informed the local plan. The present study tests a new fixed weight rule in the same cohort.
- usesRemoving one shaft from the average reference replaced a mean 11.3% of top 10% beta debiased squared wPLI links and 8.7% of coherence links in 60 second samples from 34 SEEG patients
Its controlled reference update design informed the question. The present study tests beta debiased squared wPLI and coherence on fixed surviving pairs. No old covariance result is used as a new measurement.
- usesA sample median reference reduced the mean 2–40 Hz power change score after removal of one early high variance contact from the reference pool in 28 second SEEG samples from 36 patients
This publication supplied the fixed source object versions, source metadata, 30 second prefix hashes, and copied retrieval, decoding, and filtering code. We retrieved new 64 second prefixes and computed new median and average reference power features.
- usesRemoving the largest contact group from the average reference replaced 14 percent of strong beta imaginary coherency links in 60-second samples from 35 SEEG patients
This publication supplied the design of reference updates on fixed surviving links. The new study tests imaginary coherency after removal of the largest named contact group. It uses different signal intervals and link scores.