Negative respiratory sinus arrhythmia (nRSA) in the MRI-scanner - a physiologic phenomenon observed during elevated anxiety in healthy persons
Beate Raßler, Andreas Schwerdtfeger, Gerhard Schwarz, Gert Pfurtscheller
Topics & Concepts
Vagal toneAnxietyRhythmCardiologyHeart rateBrainstemInternal medicineRespiratory systemMedicineBeat (acoustics)PsychologyRespiratory rateResting state fMRIRespirationHeart rate variabilityAudiologyAnesthesiaNeurosciencePsychiatryPhysicsBlood pressureAnatomyAcousticsHeart Rate Variability and Autonomic ControlCardiac electrophysiology and arrhythmiasFunctional Brain Connectivity Studies