Five-pulse ranking increased mean later 70 to 110 Hz directional power change by 0.049 dB after contact order reversal in eight SEEG sessions

We tested a five-pulse recording-pair ranking in public STReEF SEEG data from eight people with epilepsy. The fixed sample has 96 conditions and 6,803 pair-condition instances. The rule selected the quarter with the largest early absolute power changes. The later five pulses had reversed contact labels. We scored their power change in the early direction. Selected pairs scored 0.086 dB; the uniform random expectation was 0.037 dB. The mean gain was 0.049 dB. Its descriptive 95% person bootstrap interval was 0.017 to 0.081 dB. Mean direction agreement was 51.1% in selected pairs and 51.1% in all pairs. Excluding 96 to 104 Hz gave a 0.048 dB gain. Contact order and time changed together. The small gain does not establish neural origin or live BCI benefit. The package has pulse powers, source versions and hashes, voltage examples, code, figures, and reproduction instructions.

stereo-EEG · SEEG · intracranial EEG · band power · electrical stimulation · calibration · signal transfer · epilepsy