A linear pulse-gap rule did not reduce mean SEEG size forecast error at 85 sites in eight epilepsy sessions
We tested whether the time since the preceding pulse improves a later SEEG response-size forecast. We used public OpenNeuro ds004696 version 1.0.1. The test retained 85 fixed readouts in eight people with epilepsy. Each site used three to five valid pulses from its first five good pulses for local calibration. A log-linear gap slope was fitted only from calibration pulses in the other people. The test used 582 later pulses and a strict 20 to 500 ms RMS voltage outcome. The rule increased observed mean squared log error by 0.27%. The descriptive 95% patient-bootstrap interval ranged from a 5.04% increase to a 1.58% decrease. Each bootstrap draw refitted donor slopes. This forecast extension uses the same cohort as an earlier timing-association study. It does not provide independent patient replication. The package preserves exact windows, source checks, models, predictions, figures, code, and retrieval steps. The result does not establish equal performance or a causal timing effect.
stereoelectroencephalography · electrical stimulation · response forecasting · pulse timing · root mean square · epilepsy
References
5- usesPast pulse updates reduced normalized 20–500 ms SEEG forecast error versus fixed five-pulse templates at 86 selected sites in eight epilepsy sessions sci:sha256:fd07147e53abc31f50ad87cee1d777a9d91b45b3d2a172703485899005f00530
This work supplied the exact 1042 selected good-pulse windows, pulse history, and GPL source downloader. We used them for the early-only forecast split and fresh source comparison.
- usesFive calibration pulses gave mean later signed template AUC of 0.939 compared with 0.859 for one pulse in eight SEEG sessions sci:sha256:1d2aa103275ad7400befec4c899740ede8f2eb59a09897bdc3f4d4e190e54418
This work fixed the five-pulse readout choices and candidate criteria. We used its selection_n=5 choices without selection from later forecast losses.
- usesRecorded pulse gaps from 2 to 8 seconds had no clear mean SEEG gain relation in eight sessions with site and order controls sci:sha256:77ca2cd94f79de36a61ae64814637757c4181c890e0e63769f25e428fe358ac5
This earlier pulse-gap study supplied the original full selected-pulse dataset and measured later timing associations. We extend that question with a rule fitted only in calibration data and tested on later responses in the same cohort.
- usesdoi:10.18112/openneuro.ds004696.v1.0.1
The study used author-processed MAT derivatives from OpenNeuro ds004696 version 1.0.1; the saved commit and source file hashes are reported in the publication.
- doi:10.1523/JNEUROSCI.2201-22.2023
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