INTEROCEPTIVE STIMULUS: The Foundation of Bodily Self-Awareness and Regulation The concept of self-regulation—the ability to manage one’s emotions, thoughts, and behaviors in pursuit of long-term goals—is fundamental to psychological well-being and successful adaptation across the lifespan. Increasingly, psychological research has identified that the success of self-regulation is inextricably linked to our internal bodily state, a […]
Introduction and Definition of RSA Respiratory Sinus Arrhythmia, commonly abbreviated as RSA, describes the natural, routine physiological variation in the heart rate that occurs synchronously with the cycle of respiration. This phenomenon is not an irregular or pathological cardiac rhythm, as the term “arrhythmia” might traditionally suggest, but rather a standard, healthy waxing and waning […]
The R-S Interval and Heart Rate Variability The Core Definition and Mechanism The R-S interval, often used interchangeably with the more widely recognized R-R interval, is a fundamental measurement utilized in the analysis of cardiac function. It precisely quantifies the duration of time elapsed between consecutive heartbeats, as recorded by an Electrocardiogram (ECG). This interval […]