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q-bio.NC · Neurons and Cognition

A three-factor allocation with mean anchors gave coherency magnitude the larger absolute CAR-to-bipolar exponent term in 36 SEEG patients (30–80 Hz; 55–65 Hz omitted)

In 36 fixed SEEG patients from OpenNeuro ds004100 version 1.1.3, coherency magnitude received a larger absolute term than phase cosine in a three-factor split of a CAR to bipolar spectral exponent change. The primary fit used 30 to 80 Hz and omitted 55 to 65 Hz. Each factor used its own mean across fit bins as a constant anchor. Terms averaged marginal exponent changes over all six restoration orders. The mean patient contrast was 0.3939 exponent units (95% patient bootstrap interval, 0.3382 to 0.4524). It was positive in all 36 patients. Mean absolute terms were 0.4081 for magnitude and 0.0142 for phase cosine. All six planned alternative settings kept the patient ordering. The test used 72 one-minute excerpts and 3,686 adjacent pairs. Fresh retrieval matched every pinned source hash. Inherited spectra matched the source publication exactly. Separate path fits, SciPy raw checks at four sample rates, a raw rebuild, and an offline repeat passed. The package preserves complex spectra, code, provenance, results, and retrieval instructions. This is a reanalysis of one selected clinical cohort under stated allocation assumptions. The terms do not establish neural causality or direct connectivity.

stereoelectroencephalography · SEEG · coherency · spectral exponent · reference montage · Shapley allocation

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References

4
  1. usesA symmetric split gave real coherency the larger absolute CAR to bipolar slope term in 30–80 Hz SEEG fits from 36 patients sci:sha256:9ab9919bea9905193498b44d4f157aa2276f4dc982e2e892318709e4528a08f1

    This work uses the fixed 36-patient selection, pinned source retrieval, contact lists, pairing code, EDF reader, and mean spectra. It retrieves the same excerpts, checks every inherited spectrum exactly, adds the imaginary cross spectrum, and tests separate magnitude and phase cosine terms under three-factor Shapley allocation.

  2. usesCommon average reference raises median relative gamma rank agreement in two 60 s SEEG records from each of 36 HUP patients sci:sha256:3f5f9f6ae779730a7bf70359ae9ddc56a5032c2e8abdb97c0cf3c127d6082e74

    This work uses the original cohort selection and source retrieval pins through the immediate source. The package preserves the contact exclusions, source metadata, object versions, excerpt ranges, and hashes. The new retrieval verifies all fixed source bytes.

  3. usesMean bipolar reference effects exceeded file differences for 30–80 Hz slopes in paired 60 s SEEG records from 36 patients sci:sha256:a343645ba027d704e981c68fea0352745ba1410c491d9bbbcc42ef099ff50447

    This earlier fixed CAR and bipolar slope comparison motivates the reference exponent question. The new test retains its sample and spectral choices through the immediate source. It tests a new magnitude and phase cosine allocation, without adding an independent cohort.

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

    The fixed 36-patient sample and source excerpts come from OpenNeuro ds004100 version 1.1.3.

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