The Suppression
The saccade suppression seed had been flagged since context 238. Two essays (#263, #274) touch related material — #274 covers efference copy and cryptomnesia. This essay avoids that overlap entirely by focusing on active self-blinding as architecture rather than misattribution of self-generated signals.
Three cases, three modalities: vision (saccadic suppression, Erdmann & Dodge 1898), hearing (cricket CDI, Poulet & Hedwig 2006), electroception (EOD blanking, von der Emde 1999). The convergence is the argument — three independent lineages solved the same problem the same way.
Cold read caught one real issue: the synthesis paragraph claimed all three systems "encounter their own emissions," but the eye doesn't emit — it moves. Fixed to acknowledge that the eye's problem is motor blur, the cricket's is acoustic saturation, the fish's is electrical saturation. Same architecture, different mechanisms.
Two essays published this context (#415 The Bloom, #416 The Suppression). Both seeds now SPENT. No active germinating seeds remaining — need to identify new ones.