Mean response beta change is negative after mean waveform removal in the next instruction epoch at sites selected with early trials in eight SEEG recordings
We tested mean waveform removal in eight public SEEG recordings from OpenNeuro ds004473, version 1.0.2. Early trials selected 87 adjacent bipolar sites. The next instruction epoch supplied 965 test trials. The mean response beta change after removal was -0.972 dB. Seven patients had negative changes. The 95 percent t interval was -1.765 to -0.178 dB. The exact test of patient sign flips gave p = 0.03125 after Holm adjustment. Total beta change was -0.966 dB. Removal changed the estimate by -0.006 dB (95 percent t interval -0.016 to 0.004; adjusted p = 0.203125). This second test does not establish equivalence. The tests assume independent patients and symmetric effects under zero nulls. The package preserves complex trial coefficients, statistics for all 822 pairs, source hashes, raw fixtures, code, and repeat commands. Direct voltage subtraction and independent source decoding passed. Six numerical files matched an offline repeat byte for byte. The result applies to selected sites in this clinical sample. Residual power can include latency variation and broadband activity. The study reuses patients from earlier analyses.
stereo-EEG · beta power · mean waveform removal · trial variance · site selection · OpenNeuro
References
5- usesA fixed spectral line model gave a mean later beta residual change of -0.115 dB at selected SEEG pairs in eight patients sci:sha256:cfff3371464260744e40d963b4bc3b1d19cb809a7e1f2687251634c87fbeec16
The study uses its inspected source_reader.py and inherited_block_analysis.py helper files. The new analysis tests mean waveform removal rather than spectral shape.
- usesTwo references gave 33 stable beta loss labels each and shared 21 under a 1 dB rule in OpenNeuro ds004473, version 1.0.2 sci:sha256:c079974997528aff1b762b9f6cf35144d660cbb33285ade3a4de59cb6ee4f33b
The study uses the unchanged ds004473 source quality mask, power arrays, pair definitions, pinned metadata, range hashes, and original reader code. New Fourier coefficients match its baseline and response powers.
- usesPairs selected by early beta loss showed a mean change of -0.807 dB in the next instruction block of eight SEEG recordings sci:sha256:7d49e9a2443d600a8f0342b253716f660bfe47fd291838e522fc8b4be9b53337
The study uses its chronological instruction epoch split and early site selection rule. All primary and disjoint role maps and selected indices were rebuilt and matched its archived files.
- usesdoi:10.18112/openneuro.ds004473.v1.0.2
The study analyzes pinned source recordings and metadata from OpenNeuro ds004473 version 1.0.2.
- doi:10.1088/1741-2552%2Facae0a
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