Spectral decoder reveals pathological slow-wave suppression as a frequency signature of concept steering interventions in EEG foundation models.

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• Spectral decoder reveals α-band restoration as a frequency signature of concept steering interventions in EEG foundation models.finding0.887
  Links latent space manipulation to known EEG neurophysiology
• Spectral decoder maps concept interventions to pathological slow-wave suppression and alpha-band restoration.finding0.884
  Physiological interpretability result linking latent steering to EEG frequency signatures.
• Spectral decoding of concept interventions can provide physiologically interpretable frequency signatures.claim0.845
  Claim that the spectral decoder adds physiological interpretability.
• Can concept steering interventions on EEG foundation models be made selective rather than globally destructive?question0.802
  Research question motivating the introduction of the probe area metric and identification of operational regimes
• pathological slow-wave suppressionconcept0.794
  EEG frequency signature of reduced slow-wave activity, obtained as a spectral interpretation of steering.
• Concept steering experiments identify three distinct operational regimes across clinical concepts in EEG foundation models.finding0.779
  Main empirical finding of the concept steering analysis
• Clinical concepts in EEG foundation models fall into three operational regimes: selectively steerable, encoded but entangled, and non-encoded.claim0.770
  Interpretive claim summarizing the spectrum of concept steerability discovered.
• Resting EEG spectral analysis prior to anagram solving revealed right-lateralized hemispheric asymmetry predicting subsequent insight problem-solving (Kounios et al., 2008).finding0.752
  Evidence that pre-insight neural states (resting EEG) predict insight; supports role of reflection/mind wandering