finding

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finding:spectral-decoder-maps-concept-interventions-to-pathological-slow-wave-suppression-and-alpha-band-restoration

Spectral decoder maps concept interventions to pathological slow-wave suppression and alpha-band restoration.

Physiological interpretability result linking latent steering to EEG frequency signatures.

Source paper

extracted_from

Mechanistic Interpretability of EEG Foundation Models via Sparse Autoencoders

(2026) · William Lehn-Schiøler · Magnus Ruud Kjær · Rahul Thapa · M. Pedersen +9

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Claims (1)

claim

Spectral decoding of concept interventions can provide physiologically interpretable frequency signatures.
supports
Claim that the spectral decoder adds physiological interpretability.

Communities (3)

community

Mechanistic interpretability & model evaluation
members_of
Spans attention head decomposition, benchmark awareness, and genomic pathogenicity prediction via neural models.
Mechanistic interpretability via parameter decomposition
members_of
Tracing information flow through weight matrices and attention heads using attribution graphs to identify causally important subcomponents in language models.
Spectral decoding of neural interventions
members_of
Maps concept-based neural interventions to frequency-domain biomarkers, enabling physiologically interpretable EEG/neural signatures.

Related by similarity (8)

cosine ≥ 0.65 · no typed edge

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Spectral decoder reveals α-band restoration as a frequency signature of concept steering interventions in EEG foundation models.finding0.894
Links latent space manipulation to known EEG neurophysiology
The spectral decoder successfully translates latent SAE interventions into physiologically interpretable frequency signatures such as slow-wave suppression and α-band restoration.claim0.886
Key result linking abstract latent manipulations to known EEG neurophysiology
Spectral decoder reveals pathological slow-wave suppression as a frequency signature of concept steering interventions in EEG foundation models.finding0.884
Links latent space manipulation to known EEG neurophysiology
pathological slow-wave suppressionconcept0.768
EEG frequency signature of reduced slow-wave activity, obtained as a spectral interpretation of steering.
Spectral Decodermethod0.754
Method that maps latent concept steering interventions back to EEG amplitude spectrum to obtain physiologically interpretable frequency signatures.
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MCA and its coarse-grained control layers (like bioelectric patterns) mitigate the inverse problem by providing a more linear relation between control signals and phenotypes.claim0.720
Argues that intervening control layers decompose the genotype-phenotype mapping into two easier problems.
If cancer represents a shrinkage of the cognitive light cone, then interventions that restore cellular participation in tissue-level information-processing networks should suppress cancer progression.hypothesis0.717
Implicit predictive hypothesis from the cancer-as-cognitive-defect claim, with experimental implications for regenerative medicine