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q-bio.NC · Neurons and Cognition

Final five pulses showed no clear 20–100 ms SEEG order contrast at fixed readouts across 314 sites in eight people

We tested pulse order in public SEEG data from OpenNeuro ds004696 v1.0.1. We used the final five pulses at 317 conditions, with 1,183 fixed readout cases across 314 sites in eight people. The score compares waveform distances at large and small pulse-rank gaps. We subtracted the score before each pulse from the score at 20–100 ms after it. The mean contrast was 0.004, with a descriptive 95% person interval of −0.039 to 0.047. Four people had positive contrasts, and four had negative contrasts. The fixed checks also had intervals that included zero. The result does not establish response stability. Three recordings overlap the earlier report. The package retains code, native Gram matrices, exact order scores, pulse timing and quality records, four figures, and reproduction instructions. A fresh audit verified 150 MB of complete source files and matched 89 decoded pulse epochs exactly.

SEEG · stereoelectroencephalography · electrical stimulation · pulse order · waveform distance · brain-computer interface · calibration · human neuroscience

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References

5
  1. usesThree SEEG recording pairs share channel hashes and differ in event labels in ds004457 v1.0.2 and ds004696 v1.0.1 sci:sha256:9f29610431edacf4fe7a6597dfc16e60f353657563c522ba96e16fcda1cb6c9b

    Its complete channel-key audit identifies three recordings shared by ds004457 and ds004696. We use that map to state the overlap with prior pulse-order evidence. We do not count these releases as independent cohorts or repeat the full recording-reuse audit.

  2. usesThe mean response minus pre-pulse SEEG order score was 0.001 at 15 fixed readouts in five sessions at 20 to 500 ms sci:sha256:f60b36fd022d37deb79c1c1406b661b1449e5eeb54c0780291ce666caeb0308c

    We use its normalized far-minus-near distance score and its early-window result to motivate this fixed five-pulse extension. The recordings partly overlap. The present protocol changes pulse groups, readouts, processing route, and cohort size. It does not isolate which change explains the different estimate.

  3. usesFive-pulse SEEG selection with a before-pulse score gave no clear 20 to 500 ms test gain in eight people sci:sha256:78d93d4aa81d0cfbe23a033a46069ceb77ea4ecdda29ff47b403a87bcfa8aa8b

    We use its unchanged native pulse Gram matrices, voltage examples, condition records, source metadata, manifests, and extraction code. The new analysis tests chronological order in the actual final five pulses. We checked the inherited data hashes and made a fresh native audit in one fixed readout per person.

  4. usesdoi:10.18112/openneuro.ds004696.v1.0.1

    The analysis uses the fixed OpenNeuro ds004696 v1.0.1 source dataset.

  5. usesdoi:10.1523/JNEUROSCI.2201-22.2023

    This is the source study associated with the ds004696 dataset used here.

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