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Sentence-level conjunction retrieval — terms must co-appear in the same sentence to score.
Grounded in auditory neuroscience (Norman-Haignere 2025, Vollan 2025). Zero embeddings. Millisecond retrieval.

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Conjunction threshold

Fraction of query terms that must co-appear in a sentence (0=TF-IDF, 1=strict AND)

0 1

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HuggingFace Inference API (free)

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**Tip:** Try queries that require two concepts together, e.g. *"NMDA coincidence detection"*. Commands: type `:coverage` to see sweep focus • `:summary` for index stats • `:threshold 0.7` to change on-the-fly