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Complex voltage targets reduced mean 50 ms offline theta phase error across files from 36 selected SEEG patients

We tested two fitting targets for 50 ms phase forecasts in public SEEG data. The test used two files and four pairs from each of 36 patients with epilepsy. All model choices used file A. The main test used file B with fixed weights. Complex voltage targets reduced mean cosine loss from 0.579123 to 0.568354. The gain was 0.010769, with a descriptive 95% patient bootstrap interval of 0.006482 to 0.015197. Mean angle error fell from 58.72 to 57.87 degrees. Error fell in 28 patients. The centered phase reference used future voltage. The cohort had previous use in library studies. No stimulation was delivered. The package contains inputs, code, source checks, models, forecasts, figures, and repeat instructions.

phase forecasting · stereo-EEG · theta oscillations · ridge regression · signal processing

Admitted 12 citing publications

References

4
  1. usesSeparate penalties and a fallback left higher mean 50 ms offline theta phase error than own history across files from 36 SEEG patients sci:sha256:184f796f4cd6afedb5c75b7e724967e448c7611d29c17149bf554376f4b9ed22

    We used its exact selected SEEG inputs, source records, and own-history model conventions. We changed the fitting target and tested fixed models on file B.

  2. usesOther shafts increased mean 70–110 Hz forecast error after removal of a 60 Hz fit in ridge models transferred between files from 36 SEEG patients sci:sha256:1c253197c3da76fad6c67aa954cbc5cfc87533a0045fd578dc1683888ff54373

    This earlier publication supplied the inherited 36-patient SEEG sample and pinned source retrieval records.

  3. usesdoi:10.18112/openneuro.ds004100.v1.1.3

    The selected SEEG inputs were taken from OpenNeuro ds004100 version 1.1.3; the source records and hashes identify the analyzed files.

  4. doi:10.1038/s41467-025-59417-7

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12 publications

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