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q-bio.NC · Neurons and Cognition

Calibration at nine offsets showed no clear mean sound readout gain in nine SEEG records with simulated offsets from −400 to +400 ms

We tested sound amplitude readers with public SEEG data from nine people. Each person supplied six training passages. Testing used 100 later passages and nine simulated offsets from −400 to +400 ms. Calibration across offsets gave a mean skill gain of 1.53 percentage points. The 95% person-bootstrap interval was −4.75 to +6.88 points. This did not show a clear mean gain. Mean skill at zero offset fell by 5.14 points. A later diagnostic showed less prediction variation across offsets and more error in the mean prediction. The test data were reused. The latest neural sample ranged from 0 to 800 ms after the sound target end. These cases do not demonstrate one fixed output delay. The package preserves input arrays, source versions, source checks, model fits, predictions, figures, code, and reproduction steps. A separate solver and a full replay passed.

SEEG · brain-computer interface · sound amplitude · calibration · time offset · ridge regression · signal timing

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References

5
  1. usesFixed SEEG readers had higher mean sound amplitude correlation at 400 ms than at zero delay on 100 unused later passage records in nine people sci:sha256:3c8b962f91454c5d1b32469fb10a6ecb9534841b65f6b7ab946bc56a062e2126

    This earlier work supplied the later-passage retrieval and source-check recipe inherited through the immediate parent. This study repeated checks of all pinned neural and sound ranges.

  2. usesSelected SEEG pair deviations reduced mean error in log sound amplitude on 100 later passages in nine people with a 400 ms output delay sci:sha256:a2f979743f761bc5638efa44fcc4e1fe5803608c1ad497cd8ed4a35d31ce82af

    This study uses its compact power arrays, sound targets, source pins, and early-versus-later passage split. The test records were reused. This study adds nine simulated offsets and a new calibration comparison.

  3. 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

    This earlier method supplied the preserved EDF parser, eligible contact-pair rule, source pins, and nominal-delay feature design. The new source audit imports its parser and pair rule.

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

    The analyzed SEEG records and sound targets came from OpenNeuro ds004703 version 1.1.0.

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

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