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Pacemaker via playing the sound of a perfect heartbeat to the heart & gut

heart isochronic breathing enteric nervous system

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#1 BLimitless

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Posted 14 February 2013 - 01:17 AM


Has anyone thought of playing a steady heartbeat at the heart's natural resting frequency with the necessary amplitude for heartbeat entrainment?


We have a lot of work going into the brain but may I direct your attention to two other brains which are not given nearly enough importance! The heart-brain and the gut-brain.



The Little Brain In The Heart

Heart, Mind & Spirit (Mohamed Salem)
http://www.rcpsych.a...hamed Salem.pdf

The heart and brain
However, following several years of research, it was observed that, the heart communicates with the brain in ways that significantly affect how we perceive and react to the world. It was found that, the heart seemed to have its own peculiar logic that frequently diverged from the direction of the autonomic nervous system. The heart appeared to be sending meaningful messages to the brain that it not only understood, but also obeyed (Lacey and Lacey, 1978). Later, neurophysiologists discovered a neural pathway and mechanism whereby input from the heart to the brain could inhibit or facilitate the brain’s electrical activity (McCraty, 2002)
From above source

Potential clinical relevance of the 'little brain' on the mammalian heart.
www.ncbi.nlm.nih.gov/pubmed/17981929


The Little Brain In The Gut

The second brain in our stomachs
http://www.bbc.co.uk...health-18779997

Our own stomachs may be something of a dark mystery to most of us, but new research is revealing the surprising ways in which our guts exert control over our mood and appetite.
Not many of us get the chance to watch our own stomach's digestion in action.
But along with an audience at London's Science Museum, I recently watched live pictures from my own stomach as the porridge I had eaten for breakfast was churned, broken up, exposed to acid and then pushed out into my small intestine as a creamy mush called chyme.

I had swallowed a miniature camera in the form of a pill that would spend the day travelling through my digestive system, projecting images onto a giant screen.
Its first stop was my stomach, whose complex work is under the control of what's sometimes called "the little brain", a network of neurons that line your stomach and your gut.
Surprisingly, there are over 100 million of these cells in your gut, as many as there are in the head of a cat.


Think Twice: How the Gut's "Second Brain" Influences Mood and Well-Being
http://www.scientifi...ut-second-brain



Interesting finding from a groundbreaking paper:
Thomas Schreiber: Measuring Information Transfer (Max Planck Institute for Physics of Complex Systems)
http://arxiv.org/abs...iv:nlin/0001042

As a last example, take a bi-variate time series (see
Fig. 3) of the breath rate and instantaneous heart rate of
a sleeping human suffering from sleep apnea (part of data
set B of the Santa Fe Institute time series contest held in
1991 [6]). Figure 4 shows that while time delayed mutual
information is almost symmetric between both series, the
transfer entropy indicates a stronger flow of information
from the heart rate to the breath rate than vice versa
over a significant range of length scales r. Note that for
small r, the curves deflect down to zero due to the finite
sample size. This result is consistent with the observation
that the patient breathes in bursts which seem to
occur whenever the heart rate crosses some threshold.
Certainly, both signals could instead be responding to a
common external trigger.



So again: Has anyone thought of playing a steady heartbeat at the heart's natural resting frequency with the necessary amplitude for heartbeat entrainment?

Edited by BLimitless, 14 February 2013 - 01:18 AM.


#2 HaloTeK

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Posted 14 February 2013 - 09:32 PM

Not sure if this will make sense to you, but a "steady" heartbeat is not actually steady. It is going to have minute variations that actually lead to a safer cardiovascular system. A pacemaker does not work like a metronome. It works by shocking the heart into a rhythm, when abnormalities are detected. Funny fact is that fish oil partially works by creating more variation in heart beats.

Your premise might work, but once again, the heartbeat you are hearing would not be completely stable.
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#3 BLimitless

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Posted 15 February 2013 - 11:45 PM

The steadyness of the heartbeat is not important here; the question is whether heart-wave and gut-wave entrainment is viable. I did not know that slight variations help though, thanks.

Of course the brain has direct inputs in the form of eyes and ears so we can use light-sound machines to entrain that but how could we entrain the nerves in the heart and gut?

Edited by BLimitless, 15 February 2013 - 11:47 PM.


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#4 HaloTeK

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Posted 16 February 2013 - 08:27 AM

I also think that paying attention to your breathing would accomplish a lot of what you are talking about with the mind/heartbeat connection. Look at some of the research done on yogis. You still may be on to something with a "heartbeat" machine and being able to train the mind.

#5 BLimitless

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Posted 16 February 2013 - 07:36 PM

Yeah, I already meditate a lot; this is actually how I thought of such a thing.

I think we could also entrain the heart with the ears. I notice some isochronic tones make me agitated-ish which is of course a faster heart rate at its core cause. But these have the effect of entraining the brain with them; I wonder if we could use particular waveforms that would essentially send an impulse through the ear, down the brain stem and into the heart in total isolation - an aural pacemaker if you will. It would certainly be pretty hard work trying to make an isolated information flow from the ear to the heart.

The thing is that the heart seems to arise before all other processes/organ systems in the body, it comes even before the brain. So every organ sending it information cannot really control it as the heart itself is the core 'clock chip' that syncs the neural impulses in the entire body. However as you say, there are some crazy yogis out there who can speed and slow their heartbeats at will; the question is whether this control arises as a signal originating in the brain and propagating to the heart, or much more likely in my opinion - as a signal originating in the heart-brain itself.


Maybe in the end it might just be the case that there is no real point in messing with the heart; just as you can get a lot more done messing with the OS of a computer rather than its BIOS.





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