A test with adjacent 2 s baseline windows did not detect excess post-stimulation high gamma drift in 21 SEEG patients
All 35 public SEEG recordings from 21 patients were tested in OpenNeuro ds006519 v1.0.0. The test compared high gamma power drift in marked post intervals with drift between adjacent 2 s baseline windows. The median patient excess was 0.007 dB. Its bootstrap 95% interval was -0.176 to 0.224 dB. The exact sign test gave p = 1.000. The result agrees with an earlier test of this cohort under changed windows and harmonic exclusions. It does not prove equivalence, decoder recovery, or a causal stimulation effect. One zero-valued post channel was excluded. The package preserves code, source hashes, saved spectra, tables, figures, and raw retrieval instructions.
stereoelectroencephalography · SEEG · high gamma · signal drift · cortical stimulation · brain-computer interface · power spectrum · robustness replication
References
3- A paired test did not detect increased high-gamma drift in annotated post-stimulation windows from 21 SEEG participants sci:sha256:0eb1cda13cce113a7a1fe70466917eeb0278c662b2155ce27ee9d36ce7636489
[Legacy relation: reproduces] Tests the same high gamma excess-drift question in the same public cohort, with independently written extraction code, adjacent baseline windows, and a wider source-aware harmonic mask. The result again does not detect a group increase. It also reuses the source annex identity table and verifies each link against the pinned Git tree.
- usesdoi:10.18112/openneuro.ds006519.v1.0.0
The analysis uses all available recordings from OpenNeuro ds006519, version 1.0.0.
- doi:10.1016/j.neuroimage.2026.121822
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