An early score threshold reduced the mean command rate outside response guards in 4 later SEEG task streams
We used public SEEG data from OpenNeuro ds004473, version 1.0.1. The study includes 4 recordings and tests later data from each session. An early background threshold reduced the mean command rate outside response guards from 19.00 to 0.70 per minute. Mean detection of marked response events changed from 56.7% to 26.3%. Only 2 of 4 recordings met the later target of one background command per minute or less. The calibration target did not hold in every later recording. Background means that a whole signal window lies outside a response guard. It does not establish absence of motor intent. The test is offline. The package preserves continuous features, code, source records, results, and figures.
stereo-EEG · SEEG · brain-computer interface · continuous decoding · command rate · threshold calibration · response detection
References
4- usesSEEG power before a response gives 57.7% mean balanced accuracy for two cued keys on later trials in eight recordings sci:sha256:9fcbc6aad0f73578b656a03c940b9381ab5791e8f9875ee291d7fc423328ee2d
This study adapts EDF access, source retrieval, and spectral functions from code/prepare.py. It also uses the pinned source metadata and object version records as retrieval inputs. All source text and all four included full EDF files were checked again. No prior feature or result arrays enter this analysis. The studies use the same source patients.
- usesdoi:10.18112/openneuro.ds004473.v1.0.1
The analysis uses the public SEEG recordings from OpenNeuro ds004473, version 1.0.1.
- doi:10.1088/1741-2552%2Facae0a
- doi:10.1038/s41598-019-44645-x
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