Original ResearchPublished 31 July 2026Respiratory phase shapes brain-heart dynamics: evidence from recurrence analysis of EEG band power and heart rateMariNieves Pardo-Rodriguez · Erik Bojorges-Valdez · Oscar Arias-Carrion · Oscar Yanez-Suarez · Jorge Gonzalez-OrdianoFrontiers in Systems Neurosciencedoi 10.3389/fnsys.2026.1905962