Original ResearchPublished 24 June 2026Arterial stiffness in the context of heart rate and vasomotion during orthostatic stress and cognitive loadBarbora Czippelova · Zuzana Turianikova · Jana Cernanova Krohova · Nikoleta Mazgutova · Michal JavorkaFrontiers in Network Physiologydoi 10.3389/fnetp.2026.1829189