With baseline removal, separate readouts showed no clear 20–300 ms RMS excess over time controls after causal theta triggers in seven later intracranial rest records

We tested whether causal theta triggers produce mean voltage traces on separate contact pairs when no pulse is given. We used paired public rest records from seven people in OpenNeuro ds006065 v1.0.0. The primary test used later rest, 62 directed readouts at least 20 mm apart in source MNI coordinates, and 200 circular time controls. We removed the final 100 ms baseline and scored the mean trace at 20 to 300 ms. Mean RMS was 0.1114 for triggers and 0.0969 for controls, in early readout standard deviation units. The difference was 0.0145, with a descriptive 95% person bootstrap interval of -0.0089 to 0.0439. The primary mean excess was uncertain. Same-pair excess was larger in all seven people. Without epoch baseline removal, remote excess was small and positive; the result depends on trace definition. An early no-pulse template increased later remote RMS in six people. The source cohort had depth and surface implants, although selected channels were labelled SEEG. This test does not estimate a pulse effect or establish clinical benefit. All 14 full raw hashes and all compact voltages matched fresh reconstruction. A full analysis replay and separate numerical checks passed. The package preserves inputs, code, source versions, control scores, three figures, and repeat instructions.

intracranial EEG · theta phase · phase-triggered average · no-pulse control · brain-computer interface · circular time controls · stimulation