
Boon Lim
Consultant Cardiologist and Electrophysiologist at Imperial College Healthcare NHS Trust / Hammersmith Hospital and One Welbeck, London — specialising in atrial fibrillation, syncope, and the autonomic nervous system.
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Jul 28, 2026
#89 Dr Boon Lim - Heart Rate Variability Explained: A Cardiologist's Guide to HRV, Stress and Recovery
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Ben AtkinsonHOST
But when you were saying it can control like emotional regulation, I'm thinking that it could be of huge benefit for people that have anxiety or acute anxiety.

Boon LimGUEST
Because when we think about coherent states, we think about a state where your breath or breathing, your heart rate control, your blood pressure control are completely synchronized in the best physiological state it can be.

Boon LimGUEST
So there are papers that show that when you sit in coherence as a breathing state, you regulate the prefrontal cortex and the amygdala and the interactions between the prefrontal cortex and the amygdala, which is the processing or sub-processing center for the sensory information coming in, including stressful information.

Boon LimGUEST
And that regulation, due to the... nervous system, which goes in both directions, Ben.

Boon LimGUEST
So we always think the brain sends signals down and commands the rest of the body.
23 MINS LATER