Heart rate (HR) has been widely studied as a measure of an individual's response to painful stimuli. It remains unclear whether changes in mean HR or the variability of HR are specifically related to ...

Heart rate is one of our innate physiological rhythms that fluctuates day and night. There are complex patterns beyond the pace of your sinus node (a cluster of cells in the heart that operates as a ...

In my 2022 book, The Bullied Brain, I explore how the bullying and abuse cycle has at its core a stress response. When the brain, nervous system, and body feel seriously threatened, they often ...

This is a preview. Log in through your library . Abstract Scanning and transmission electron microscope studies were carried out on the rapid cell surface responses of cultured newborn rat sympathetic ...

Salk Institute scientists discovered a relationship between killer T cell exhaustion and the body’s sympathetic—“fight-or-flight”—stress response. The research showed that beta-blockers could inhibit ...

New research has found that otherwise healthy young people diagnosed with COVID-19, regardless of their symptom severity, have problems with their nervous system when compared with healthy control ...