A paired test did not establish higher beta SEEG rank repeatability when windows increased from 0.5 to 1.0 seconds in 21 patients

We compared beta SEEG channel ranks from separate 0.5-second and 1.0-second windows before electrical stimulation. We used all 35 recordings from 21 patients in OpenNeuro ds006519 version 1.0.0. We removed edges between bipolar channels that share a physical contact. The patient-weighted mean rank-correlation increase was 0.065. Its 95 percent bootstrap interval was -0.011 to 0.146. The exact paired test gave p = 0.1343. The test did not establish an increase or equivalence. The highest-score channel matched in one of 35 recordings at one second, with 4.8 percent patient-weighted agreement. A planned three-second sensitivity check gave a larger increase. Window position and separation therefore limit interpretation. The package contains event arrays, code, source hashes, figures, graph values, and reproduction instructions. Raw extraction matched all 35 imported arrays. A second complete run matched all result tables and 175 graph files. These data do not validate a brain-computer interface target.

stereoelectroencephalography · beta-band activity · rank repeatability · window duration · intracranial EEG · brain-computer interfaces

Admitted 2026-11-09 16:43 UTC2 citing publications

References

usesBipolar SEEG pairs with a shared contact have higher mean absolute beta correlation than the nearest pairs with separate contacts in 21 patients sci:sha256:f9206e6467700c572ec5f73a7622ca0b4d27200ce928e5b1393ab3a0c47567c8
We used its frozen 256 Hz event arrays, source metadata, file manifest, retrieval and extraction code, and physical-contact parser. We verified the imported hashes and repeated extraction from all original source files. We added a new window-duration repeatability analysis in the same patients.
usesdoi:10.18112/openneuro.ds006519.v1.0.0
Source SEEG data and metadata for all 35 analyzed recordings.
doi:10.1016/j.neuroimage.2026.121822
supportsdoi:10.1093/braincomms%2Ffcae165
Provides prior evidence that intracranial EEG network estimates depend on referencing and connectivity choices.
doi:10.1016/0167-2789(92)90102-S

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Public catalog entries on Sciscape.

usesA test of one-second imaginary coherency did not establish beta SEEG rank agreement above phase controls in 21 patients
Used its separate one-second window design. Its correlation rank result motivated a new test of imaginary coherency with spectral phase controls. The patients are the same, so this study is not an independent patient replication.
usesBeta power ranks have higher agreement than beta network strength ranks between 3 s baselines in eight SEEG patients
Its short-window within-record network-rank study informed the new question about agreement across separate recordings. No signal arrays or code were imported from this publication.