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q-bio.NC · Neurons and Cognitioneess.SP · Signal Processing

An RMS correction increased signed shape forecast error in eight SEEG patients after contact order reversal with two shape pulses and three fit pulses

We tested whether RMS before stimulation improves a forecast of signed voltage along a fixed response shape. We used public STReEF SEEG data from eight patients. Two early pulses set each shape and scale. Three pulses fit a shared patient slope. Five later pulses supplied test outcomes after recorded contact order reversal. The corrected forecast increased signed coefficient squared error in all eight patients. The mean patient error increase was 0.57%, with a whole-patient bootstrap interval of 0.26 to 1.00%. The same rule reduced total log RMS error by 8.10% and residual log RMS error by 8.13%. These targets use different losses. The shape can contain background voltage and artifact. This reused sample does not identify a causal brain-state effect or validate a BCI policy. The package preserves source code, three figures, all forecasts, source versions and hashes, and a retrieval recipe. A second fresh source retrieval reproduced all 504 derived arrays exactly.

stereoelectroencephalography · electrical stimulation · response forecasting · signed voltage · RMS · brain-computer interface · epilepsy · signal processing

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References

8
  1. usesBefore-pulse energy showed no clear correlation difference between parallel and perpendicular slow SEEG template error after contact order reversal in eight STReEF patients sci:sha256:f51c3240b00970789a7815aee63063e47808d04f07b943b53c11a4921de362e3

    Its slow-coordinate projection and rank-correlation study gave related context. We read it after saving our local plan and before the new scores. Our test uses a separate two-pulse shape, a signed coefficient, immediate pre-pulse RMS, and actual held-out forecasts. No code was copied and no independent cohort is claimed.

  2. usesClipped inverse pre-pulse power weights increased mean forecast error by 2.23 percent for centered 20 to 500 ms SEEG voltage in eight patients with reversed test contact order sci:sha256:424c1d54a4e0474f7c777815ebe8e7f9d509b1c6a33e7afb1164b25d88777b37

    We used its metadata-only condition selection as inherited through the RMS parent. It supplies the fixed conditions, source pulses, and eligible off-shaft readout pairs. New targets did not change this selection.

  3. usesPre-pulse RMS reduced mean 20–500 ms log-RMS forecast error in eight STReEF patients with earlier calibration after recorded contact order reversal sci:sha256:f5e2aa58f61c35ecd378391e2e2bb292a24b212bce2225c9fdbf1266cd57799d

    We used its fixed metadata selection, pinned source range records, MIT retrieval and header code, past-only forecast design, and reference input and total RMS arrays. We changed the pulse split to two shape pulses, three fit pulses, and five test pulses. We freshly retrieved voltage to calculate signed and residual targets. The patient sample is reused.

  4. usesdoi:10.18112/openneuro.ds005448.v1.0.0

    The analysis used STReEF ds005448 version 1.0.0. The archived dataset metadata records this version-specific DOI and CC0 license.

  5. doi:10.1016/j.ynirp.2025.100274
  6. doi:10.1007/s12021-022-09567-6
  7. doi:10.1371/journal.pcbi.1011105
  8. doi:10.1016/j.brs.2026.103118

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