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

A 1 mA prior changed observed scaled 2 mA forecast error by less than 1% against matched zero shrinkage in three SEEG participants at 20 to 500 ms with calibration from other sites

We tested whether a stored 1 mA SEEG waveform helps predict individual 2 mA responses after three calibration pulses. Other stimulation sites chose the amount of shrinkage. The matched control used the same rule to shrink toward zero. We used public STReEF data from 31 sites in three people. The main window was 20 to 500 ms. Error was divided by low current pulse energy. The prior changed error by -0.771%, +0.493%, and -0.374%. The equal-person mean change was -0.217%. A control with a separate noise scale for each readout had less error in all three people. The prior had 7.873% more error than that control on average. These are observed point estimates, not bounds on the true effect. Current and time were confounded. Test pulses were reused from earlier studies. The study is exploratory. The package preserves exact pulse products, source pins, code, tables, three figures, and repeat instructions.

stereoelectroencephalography · brain-computer interfaces · voltage forecasting · shrinkage · calibration · signal processing

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References

8
  1. usesSEEG shape difference estimates stayed positive at 1 and 2 mA in three people at 20 to 500 ms with an independent pulse noise model sci:sha256:ca1d985c01c7ceab25cc7a2b647d8350aec85e6660382482575cd649c6198146

    This publication supplies all 54 exact pulse-product files, native waveform audits, selected records, source pins, and extraction code used here.

  2. usesDoubling 1 mA templates increased 2 mA forecast error after mean removal in three SEEG participants at 20 to 500 ms sci:sha256:ed5d2e82c3ea575a465a18d21828edcfd06200c1c68665190148aa4c4428e7ca

    The fixed cohort selection and native pulse-product extraction originate in this publication. We retain its selection and rebuild every selected raw range.

  3. usesA five-pulse check selected SEEG pairs with 60.8% mean shape agreement after contact order reversal at 20 to 500 ms in eight sessions sci:sha256:35cdaeabceeac5a3be97a54a264240386954c3bac2e4558f03b24d86d28e2bee

    The inherited public byte-range and binary-parser workflow has its source lineage in this publication.

  4. usesA five-pulse 1 mA SEEG template with one shared scale had more 2 mA forecast error than a three-pulse 2 mA template with a noise scale in three people at 20–500 ms sci:sha256:03689df752c73cee322f6eb22506e9b0eb07cc276a816c09dd207d59b60e6fbf

    This study supplies the source-only shared-gain comparison and the readout noise-scale control. We test partial transfer with a different calibration rule.

  5. usesSeparate scales along and outside a 1 mA waveform increased mean 2 mA SEEG forecast error after mean removal at 20 to 500 ms in three participants sci:sha256:de62aec0d59c8930643cc515ebb538cebd3d6436822605710ade23f933cd51c2

    This study supplies the earlier stored-direction test and noise-scale reference on the same cohort. Our matched zero direction uses calibration from other physical sites.

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

    The analysis uses selected SEEG records from STReEF, OpenNeuro ds005448 version 1.0.0.

  7. doi:10.1016/j.ynirp.2025.100274
  8. doi:10.1007/s12021-022-09567-6

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