A decade of hospital deployments and an FDA-cleared EEG device give BioSerenity a data and distribution base that few AI-diagnostics entrants can match, now being redirected into its own foundation model, BioSerenity-E1. Routine pre-screening of standard EEGs since December 2025 marks an early, concrete deployment of that model rather than a research demo, a distinction that separates it from earlier-stage EEG foundation model plays.