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Pulse pooling reduced observed normalized error for centered SEEG forecasts at 20–500 ms after contact order reversal in two recordings

We tested pulse pooling for response calibration in two public SEEG recordings from OpenNeuro ds003848 version 1.0.3. We used 59 contact-order pairs, 590 distinct pulses, and 3,276 bipolar readout instances. Five earlier pulses and three new pulses formed the pooled mean. Two later pulses were fixed test targets. The primary score was normalized squared error in centered waveforms at 20–500 ms. Pooling reduced the person means by 6.3% and 27.1%. The equal-person error fell from 2.0212 to 1.5952. The controls limit this result. Half the new forecast slightly beat full pooling on the equal-person mean. Pooling also reduced pre-pulse error. Zero beat full pooling in one recording. For readouts selected by earlier repeatability, pooling raised absolute error in both people. The evidence does not establish stable transfer of a neural response or a population benefit. Contact order and time change together. The package includes four figures, exact waveform product matrices, two raw examples, source hashes and versions, source code, and reproduction instructions. An offline run reproduced the score tables and PNG figures byte for byte. Two fresh source ranges matched their archived hashes.

SEEG · intracranial EEG · pulse pooling · waveform forecasting · electrical stimulation · calibration · signal processing · epilepsy

Admitted 5 citing publications

References

3
  1. usesPulse pooling gave lower observed mean normalized SEEG error at 20–500 ms after contact order reversal in eight recordings sci:sha256:03da20e5cca56f8324aaeee5a720f2f8a21f4bfff37f868e66df565b0d8c4373

    Used the five-earlier, three-new, two-later pulse split, linear forecast definitions, individual earlier-pulse energy normalization, and primary equal-condition and equal-person weighting. Tested other public recordings with newly written code and new source data. Selected-scope weighting differs. Participant overlap is unknown.

  2. usesdoi:10.18112/openneuro.ds003848.v1.0.3

    This is the exact OpenNeuro version used for the source SEEG, event, channel, and participant data.

  3. doi:10.1007/s12021-022-09567-6

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