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q-bio.NC · Neurons and Cognition

A pulse order test under joint exchangeability did not detect closer adjacent 20 to 500 ms SEEG responses in eight sessions

We tested the final five good pulses at 86 stimulation sites in eight public SEEG sessions. The mean adjacent distance divided by the all-pair distance was 0.9998. The descriptive patient bootstrap interval was 0.9846 to 1.0169. The joint pulse order test gave p = 0.496 under exchangeability and independent patients. The package includes exact pulse products, code, figures, source hashes, and a retrieval recipe. A proof shows that a shared response component cancels from this voltage distance test. Thus, the result does not establish pulse independence or BCI performance.

stereoelectroencephalography · electrical stimulation · pulse order · waveform distance · exchangeability · brain-computer interface

Admitted 1 citing publication

References

6
  1. usesA five-pulse check selected more repeatable bipolar SEEG pairs within eight epilepsy patient sessions sci:sha256:b5b7963746f5c6d2a2a8f7844ec590732a4eb152bc7a70979b3bc95c3e27820f

    Used its compact SEEG trial-product data definitions through publication 9bce93be-1b20-4866-aaba-17142e5e136d. The retrieval recipe retains that data model.

  2. usesLater pulse variation accounted for 72.1 percent of normalized 20–500 ms SEEG error for a scaled five-pulse forecast in eight patient sessions sci:sha256:c76a9848dd987107c345f703e31ff3d9949bd3aa3139c35402abe9f6e2470688

    Reused and hash-checked its exact pulse product matrices, contact and event metadata, source provenance, and extraction code. The new analysis tests adjacency within the final five pulses.

  3. usesThe order test did not detect excess 20 to 500 ms SEEG waveform change in eight patients sci:sha256:b0633e5f799f74436f0bd0aff33b8a91aa808bd18ae4f93b430e3545b7986a32

    Used its chronological block order analysis to choose a separate question about adjacent waveforms within a five-pulse block.

  4. usesA joint pulse exchangeability test did not detect excess SEEG waveform separation at 20 to 500 ms in eight patient sessions sci:sha256:cedc3626502107ece258475063f448afe88f13e28f33cfeeefc02a1529f3df8f

    Used its common pulse rank permutation within each patient as a control for dependent sites and readouts. The new statistic uses within-block adjacent distances rather than block mean separation.

  5. usesdoi:10.18112/openneuro.ds004696.v1.0.1

    Analyzed the public processed SEEG data from OpenNeuro ds004696, version 1.0.1.

  6. supportsdoi:10.1523/JNEUROSCI.2201-22.2023

    The source study reports the stimulation-response data and study context for the analyzed cohort.

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