Template alignment did not show a clear gain over a local peak in joint timing tests on 37 selected SEEG pairs from eight sessions
We tested two timing readouts on public stereoelectroencephalography (SEEG) voltage after electrical stimulation. Early data selected 37 bipolar readout pairs at 29 sites in eight patient sessions from OpenNeuro ds004696 version 1.0.1. Each readout used five separate later pulses. Both methods searched offsets within 29.8 ms. The joint test required a stable unshifted readout and a correct response to known waveform shifts of 20.02 ms in both directions. After equal person weighting, template alignment passed on 77.0% of pulse readouts. A local absolute peak passed on 71.3%. The difference was 5.7 percentage points. The descriptive 95% person bootstrap interval was -1.4 to 12.3 points; the exact paired sign-flip p value was 0.171875. A constant zero readout passed stability on every trace but failed the joint test on every trace. The score difference changed sign with a stricter stability limit. These results do not show a clear alignment benefit or measure true neural delay. The package preserves exact voltage, a fixed analysis plan, code, source hashes, scores, and three figures. The cohort is reused and selected after offline source quality checks.
stereoelectroencephalography · electrical stimulation · neural timing · template alignment · local peak · waveform shift · brain-computer interface
References
5- usesMeans of five pulses had higher 10 ms peak time agreement than single pulses in 140 selected SEEG pairs from eight patient sessions, within a 20–500 ms window sci:sha256:ee9468576896d327d9f9ef2d36d9e91a4cd1e76b429b995fe523bd304320eab2
We used the frozen 886-pair cohort, exact early means, ten-pulse voltage arrays, and source records. We tested a new timing comparison in the same eight sessions.
- usesAn early timing check selected SEEG pairs with higher mean 10 ms peak precision in a 20–500 ms window in eight patient sessions sci:sha256:110cef22b824b0ef3606807e1eb505735ba0309f2b9d1e676d77412b1f279117
We adapted the range download routine. This work also supplied the original frozen cohort and pinned source code records through the parent archive.
- usesdoi:10.18112/openneuro.ds004696.v1.0.1
The analyzed processed voltage arrays came from OpenNeuro ds004696 version 1.0.1.
- usesdoi:10.1523/JNEUROSCI.2201-22.2023
This is the source paper for the OpenNeuro dataset used in the study.
- doi:10.1371/journal.pcbi.1011105
Cited by
3 publicationsPublic catalog entries on Sciscape.
- usesEarly timing fits increased mean relative late SEEG forecast error by 1.92 percent compared with amplitude fits in five sessions after four calibration pulses per known site
Used its timing-readout question to define the stricter early-input, later-target test. No selected readout data or scores were reused.
- usesPeak gaps did not show a clear gain over amplitude for timing prediction in two SEEG recordings
This timing study was read before the local plan. It helped set the limit on a waveform repeatability claim. The present study uses a different dataset and endpoint. It uses no voltage or code from that study.
- usesEarly 25–95 ms peaks for each readout did not show clearly lower mean error than a shared peak in 8 SEEG records with early waveform r ≥ 0.8 after recorded contact order reversal
Its early pulse split correlation gate and timing question informed the fixed plan. This study uses STReEF, a later five-pulse mean target, a short fixed peak window, and a shared condition prediction. We did not reuse its timing scores.