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q-bio.NC · Neurons and Cognition

Mean FRandR leader agreement in sleep records from seven SEEG patients was lower than 30-second block shuffles predicted

We tested agreement of the highest-rate FRandR channel across 135 five-minute sleep records from seven patients with SEEG. We used public OpenNeuro ds003498 version 1.0.1 and the supplied event marks. FRandR means a fast ripple that overlaps a ripple. We gave tied leaders equal weight and gave each patient equal weight. Mean agreement was 0.6503. A model that exchanges whole 30-second multichannel count blocks gave mean agreement of 0.8499. The difference was 0.1995. The planned lower-tail Monte Carlo p value was 0.0001 from 9,999 joint draws. Five of seven patients had a positive difference. The 95 percent patient bootstrap interval was 0.0883 to 0.3038. The 10-second and 60-second checks gave the same direction, with Holm p values of 0.0003 over three tests. The p value uses block exchangeability across record labels as its reference model. It concerns grouping of event marks and does not identify its biological cause. Source electrode methods support the SEEG scope despite ECOG labels in the converted metadata. We excluded the mixed-implant patient and the patient with one record. Separate calculations checked 2,673,000 count bins. A fresh public retrieval rebuilt 12 core output files with identical bytes. The package preserves source tables, hashes, an internal plan, code, figures, results, licenses, and reproduction commands.

stereoelectroencephalography · high-frequency oscillations · fast ripples · channel agreement · block shuffling · event marks · sleep · epilepsy

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References

4
  1. usesFRandR onset marks had more 10 ms coincidences than a 1 s shift model predicted across pairs with no shared contact in nine sleep SEEG patients sci:sha256:5663f41b0a74ccd64008c0ed6555d51f0c1c5d1d57f6bb09e11a294679f28fc4

    We reused checked source event tables, the source manifest, the duration convention, and contact-name aliases. We wrote a new leader agreement analysis and checked a fresh public retrieval.

  2. usesMean squared FRandR count error in 30-second windows exceeded a conditional uniform benchmark in six of eight sleep SEEG patients sci:sha256:f7d13629d2b80966e901073fac1dc79d109fdbdab08cccfada6a89c5356e4866

    We used its electrode scope audit to exclude the mixed depth and strip implant. We preserved the audit and checked the original public Table 1 in this run.

  3. usesdoi:10.18112/openneuro.ds003498.v1.0.1

    This version-pinned OpenNeuro dataset supplied the event marks and metadata analyzed in this publication.

  4. supportsdoi:10.1038/s41598-017-13064-1

    The article supplies the original electrode methods and Table 1 used to define the depth-electrode scope; it also provides the prior spatial-rate analysis discussed here.

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