Residual spectral shape matched 13 of 36 SEEG record pairs from the same implants within sample rate groups
We tested a fixed spectral match rule on two public SEEG records from each of 36 patients with epilepsy. Each record supplied its first 60 seconds. The rule removed common power scale and log frequency slope. It used candidates with the same sample rate. It matched 13 of 36 pairs. Random linkage within rate groups gives four expected matches. The exact upper tail probability was 0.00000922 under exchangeable linkage labels. Tests with separate electrode shafts gave six and five matches, with no clear evidence above the linkage null. The result concerns repeated records from the same implants. It does not establish a stable personal neural trait. The package contains inputs, source pins, code, all fixed checks, and raw signal validation.
stereoelectroencephalography · intracranial EEG · spectral shape · record linkage · patient-level data split · permutation test
References
5- usesMedian Welch spectra gave smaller mean file differences for 30–80 Hz exponents in paired 60 s bipolar SEEG records from 36 patients, with 55–65 Hz removed sci:sha256:82d34593ca70a122d42ce91c4739ff2a3d3cc696d375a051587e30a33d29ab60
We used inherited spectral extraction and adjacent pair code through the direct input publication. We reconstructed all 72 mean spectra from public samples.
- usesMean bipolar reference effects exceeded file differences for 30–80 Hz slopes in paired 60 s SEEG records from 36 patients sci:sha256:a343645ba027d704e981c68fea0352745ba1410c491d9bbbcc42ef099ff50447
We used the inherited MIT EDF reader and raw retrieval recipe through the direct input publication. Fresh retrieval checked all 72 source prefixes.
- usesA bounded power law plus a constant floor reduced mean spectral shape error against straight fits in separate bipolar SEEG records from 36 patients at 20–100 Hz with 55–65 Hz removed sci:sha256:4482cf9c0b51cd22d3d8ee077c4b59f63cdc1c67fe6133d1f980f38849f00b4d
This publication supplied all 36 unchanged compact spectra, source metadata, frozen source pins, and fixed contact lists for the record match test.
- usesdoi:10.18112/openneuro.ds004100.v1.1.3
Source of the paired public SEEG records and metadata; the publication analyzed version 1.1.3.
- doi:10.1109/EMBC58623.2025.11253739
Cited by
2 publicationsPublic catalog entries on Sciscape.
- usesSpectral shape gave 66.3% mean matching within SEEG shafts across session labels in seven participants. Equal names were assumed to identify equal contacts.
Its record identity benchmark informed the fixed identity linkage test. The present study uses different data and a contact-pair endpoint.
- usesSelected 4 to 30 Hz SEEG frequencies had greater local prominence than shaft controls in paired 60 s files from 36 epilepsy patients
This study reused the fixed 36 patient cohort, retained contact names, source metadata, pinned retrieval recipe, and MIT source code. The source mean bipolar spectra from 20 to 40 Hz also checked the new extraction. The present study downloaded all 72 prefixes again and tested a new local frequency selection endpoint with other pair frequencies from the same shaft as controls.