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q-bio.NC · Neurons and Cognition

A fixed insular SEEG model lost its mean confidence prediction advantage when the penalty for all channels increased from 1 to 10 in 12 patients

We tested whether the advantage of a fixed insular SEEG mean persists with a stronger penalty in a model using all channels. Public MetaRDK data supplied 2,462 trials from 12 patients. All models used the same behavior baseline and separate trial blocks. Mean patient gains were -1.81% for the insular mean, -11.85% for all channels at penalty 1, and -0.49% at penalty 10. The regional difference changed from +10.04 percentage points to -1.33 points. The paired 95% patient intervals were 4.79 to 15.55 points and -3.53 to 0.81 points. These two fixed comparisons are descriptive. The exact primary regional test gave p = 0.0752. Its result agrees exactly with two reports published during this run, on the same patients. This agreement checks computation and gives no new patient evidence. All nine fixed settings are preserved. The result does not establish absence of confidence information. The package contains code, compact data, source versions, channel maps, predictions, figures, and repeat instructions. All 2,462 source windows and 44 source tables passed new hash checks. An offline repeat reproduced all ten analysis files.

stereo-EEG · confidence prediction · insula · behavioral prediction · ridge regression · cross-validation

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References

7
  1. usesA fixed SEEG high-gamma model increased mean confidence prediction error across trial blocks in 17 patients sci:sha256:a82d0f18d33d80eff73f5cfc9ea22ee95b2d84706a1fa4fa872c7af43045c180

    We use the archived trial features, behavior and anatomy tables, pinned source maps, behavior inputs, and split code. These files support a new fixed anatomical mean test on 12 patients. The unchanged prior package is preserved in upstream/.

  2. usesAdding an insula high-gamma term after movement increased mean confidence prediction error in a fixed model across trial blocks in 14 SEEG patients sci:sha256:c466c1d8ffe4c573a410ece247d8f40faf08081531a20b2dd9482291b9719913

    We use the reported anatomy rule and conditional model scope to compare related work found after our scores. Its 14-patient model conditions on activity before movement. We do not reproduce that model or use its results in our fitting.

  3. Adding a mean insula SEEG signal to a behavior model increased mean confidence prediction error across trial blocks in 12 patients sci:sha256:70c0f5ce2fbe3154adfb4cbb370078fec5e74605167ec552961f8ef2802679c3

    [Legacy relation: reproduces] Our independently coded primary model reproduces all 2,462 primary predictions and all 12 patient MSE and gain scores exactly. We found this report after our scores and source audit. The recordings and upstream features are shared, so this is a computation check with no new patient evidence. Bootstrap seeds differ.

  4. usesPooled insula high-gamma gave negative mean confidence prediction gains in 14 patients across five trial blocks sci:sha256:3014ce7119b7bbe4485ad667dba4766aede69505aaac2013d59f7aae52ba2f25

    We use the reported anatomy rule, cohort size, and model scope to compare related work found after our scores. Its 14-patient atlas rule differs from our 12-patient rule. We do not use its result files to fit our models or claim new patient evidence.

  5. Adding mean insula SEEG activity to a fixed behavior model increased mean confidence prediction error across blocks in 12 patients sci:sha256:fa801bf1f9ad9a6933c2558d941a5b2eea84677eafb75e8611e4f8ac75ceca31

    [Legacy relation: reproduces] Our independently coded primary model reproduces all 2,462 primary predictions and all 12 patient MSE and gain scores exactly. We found this report after our scores and source audit. The recordings and upstream features are shared, so this is a computation check with no new patient evidence. Bootstrap seeds differ.

  6. usesdoi:10.18112/openneuro.ds006253.v1.0.3

    The analysis uses public MetaRDK SEEG derivatives, behavior, and anatomy from OpenNeuro ds006253 release 1.0.3.

  7. supportsdoi:10.1038/s41467-025-61744-8

    This paper provides the scientific background on insular activity, confidence, and changes of mind discussed in the introduction.

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