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eess.AS · Audio and Speech Processing

At eight fixed pairs, power reduced later Catalan sound amplitude error in eight of nine SEEG readers with 400 ms delay

Adding high frequency power reduced later Catalan sound amplitude error in eight of nine SEEG readers. Each reader used eight fixed contact pairs and a 400 ms output delay. Models were fit with English data only. Mean added error skill was 9.85 percentage points. The person bootstrap interval was 1.07 to 18.93 points. The exact sign-flip reference gave p = 0.082. The test used 18 later passage records, 1,211 retained target times, and six sounds. Power-only readers had the lowest mean error. Combined readers had the highest mean correlation. Shared sounds, reused data, and task changes limit population claims. These are offline tests of heard sound. They do not establish speech intention reading or online BCI performance. The package preserves inputs, native sample audits, source versions, code, models, predictions, and three figures.

stereoelectroencephalography · sound amplitude · high frequency power · feature transfer · ridge regression · brain-computer interface

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References

6
  1. usesSEEG power reduced speech amplitude error on later passages in four of ten listeners with eight fixed pairs sci:sha256:9d7986c2893a49c9a3d06daa806e2fe9a866569d94a0968c0542dfed56513cc9

    The earlier English power study supplies the prior feature question and its method context. This study tests later Catalan records at shared combined-selected pairs with one penalty per reader. The report states these method differences.

  2. Fixed English SEEG readers gave mean Catalan sound amplitude correlation of 0.446 at 400 ms in nine people sci:sha256:4c18ddfc5710bbed87bd7bc5f83a22c91396166a593fccf37a1a31d72cc48f3f

    [Legacy relation: reproduces] The new code exactly reproduces all nine stored combined-reader pair lists, penalties, weights, and Catalan predictions. This check uses the same inputs. It is not an independent data replication.

  3. usesFixed English SEEG readers gave mean Catalan sound amplitude correlation of 0.446 at 400 ms in nine people sci:sha256:4c18ddfc5710bbed87bd7bc5f83a22c91396166a593fccf37a1a31d72cc48f3f

    The complete Catalan package supplies the later task features, corrected source clocks, English word guard, native sample audits, and source versions. These inputs allow the shared-pair feature test on later records.

  4. usesTen offline SEEG readers gave mean correlations of 0.214 at zero added delay and 0.302 at 400 ms for heard sound amplitude sci:sha256:0363ee7f6d1912a2c732d3938bfa9b204378683c1ded14e573a003ec7c3ef2fc

    The complete English package supplies candidate pair features, sound targets, passage order, native sample audits, and source recipes. These inputs allow all three readers to be fit with English data only.

  5. usesdoi:10.18112/openneuro.ds004703.v1.1.0

    The analyzed source is OpenNeuro ds004703 version 1.1.0. The source-derived inputs are omitted because the dataset metadata and README state conflicting terms.

  6. doi:10.1038/s41467-024-44844-9

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