Human Magnetoreception!

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Human Magnetoreception!

gepr

https://maglab.caltech.edu/human-magnetic-reception-laboratory/

> After a downwards magnetic field rotated counterclockwise, some people responded with a large drop in amplitude of their EEG alpha waves, up to a 60% decrease from pre-stimulus levels. Alpha waves are EEG oscillations that go up and down at a frequency around 10 Hz (10 times per second). They dominate the EEG signal when we are awake with our eyes closed, and arise from the spontaneous, synchronized activity of millions of neurons. Their function is not well-understood, but they may reflect a relaxed mind with nothing in particular to focus on and no particular task to do. When a stimulus suddenly appears and is processed, neurons fall out of synchrony with each other, the alpha rhythm is disrupted, and alpha waves get smaller as a result.


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Re: Human Magnetoreception!

Nick Thompson
Thanks,  Glen,

To the local congregation:

Could somebody forward this to the New Guy, whose name I cannot remember, who has taken up the cudgel of "auras" in retirement?

Thanks,

Nicholas S. Thompson
Emeritus Professor of Psychology and Biology
Clark University
http://home.earthlink.net/~nickthompson/naturaldesigns/


-----Original Message-----
From: Friam [mailto:[hidden email]] On Behalf Of u?l? ?
Sent: Tuesday, March 19, 2019 11:13 AM
To: FriAM <[hidden email]>
Subject: [FRIAM] Human Magnetoreception!


https://maglab.caltech.edu/human-magnetic-reception-laboratory/

> After a downwards magnetic field rotated counterclockwise, some people responded with a large drop in amplitude of their EEG alpha waves, up to a 60% decrease from pre-stimulus levels. Alpha waves are EEG oscillations that go up and down at a frequency around 10 Hz (10 times per second). They dominate the EEG signal when we are awake with our eyes closed, and arise from the spontaneous, synchronized activity of millions of neurons. Their function is not well-understood, but they may reflect a relaxed mind with nothing in particular to focus on and no particular task to do. When a stimulus suddenly appears and is processed, neurons fall out of synchrony with each other, the alpha rhythm is disrupted, and alpha waves get smaller as a result.


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☣ uǝlƃ

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Re: Human Magnetoreception!

Marcus G. Daniels
In reply to this post by gepr
MRIs go up to about 3 Tesla.  I'm told by someone that works at the high magnetic field lab at LANL, at higher fields, like 10 Tesla, one will start to see colors.  

On 3/19/19, 10:12 AM, "Friam on behalf of uǝlƃ ☣" <[hidden email] on behalf of [hidden email]> wrote:

   
    https://maglab.caltech.edu/human-magnetic-reception-laboratory/
   
    > After a downwards magnetic field rotated counterclockwise, some people responded with a large drop in amplitude of their EEG alpha waves, up to a 60% decrease from pre-stimulus levels. Alpha waves are EEG oscillations that go up and down at a frequency around 10 Hz (10 times per second). They dominate the EEG signal when we are awake with our eyes closed, and arise from the spontaneous, synchronized activity of millions of neurons. Their function is not well-understood, but they may reflect a relaxed mind with nothing in particular to focus on and no particular task to do. When a stimulus suddenly appears and is processed, neurons fall out of synchrony with each other, the alpha rhythm is disrupted, and alpha waves get smaller as a result.
   
   
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Re: Human Magnetoreception!

Steve Smith
In reply to this post by gepr

Glen -

As usual, your provocation lead me to speculate and google and speculate some more.  

  1. Is sleeping E/W significantly different and N/S geomagnetically?   (I prefer to be woken by the rising sun, myself, not so clear on the geomagnetic implications though)
  2. Does the off-vertical angle of the earth's field (at mid-latitudes -N/+S) effect humans, esp. when traveling/moving between mid/extreme/equatorial latitudes?  (Might yield something akin to a latitudinal version of jet-lag?)
  3. Does wearing a tinfoil hat *in* an electromagnetic field introduce fields larger than the geomagnetic field?
  4. Does 3) above qualify for (accidental?) self-medication for mental disorders? https://clinicaltrials.gov/ct2/show/NCT03556735
  5. does Randall Munroe (XKCD) read my mind? https://xkcd.com/2098/

- Steve



On 3/19/19 10:12 AM, uǝlƃ ☣ wrote:
https://maglab.caltech.edu/human-magnetic-reception-laboratory/

After a downwards magnetic field rotated counterclockwise, some people responded with a large drop in amplitude of their EEG alpha waves, up to a 60% decrease from pre-stimulus levels. Alpha waves are EEG oscillations that go up and down at a frequency around 10 Hz (10 times per second). They dominate the EEG signal when we are awake with our eyes closed, and arise from the spontaneous, synchronized activity of millions of neurons. Their function is not well-understood, but they may reflect a relaxed mind with nothing in particular to focus on and no particular task to do. When a stimulus suddenly appears and is processed, neurons fall out of synchrony with each other, the alpha rhythm is disrupted, and alpha waves get smaller as a result.


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Re: Human Magnetoreception!

gepr
In reply to this post by Marcus G. Daniels
You have to wonder how high fields might modify the behavior of non-neuronal tissue, as well: https://en.wikipedia.org/wiki/Bioelectromagnetics  A friend of mine experiments with nootropics and talks quite a bit about modafinil, which I *think* is a calcium channel blocker.  I have to think a large mag field would impact whatever ions were swimming around any given tissue.  But experimenting on such things must be difficult.

On 3/19/19 9:33 AM, Marcus Daniels wrote:
> MRIs go up to about 3 Tesla.  I'm told by someone that works at the high magnetic field lab at LANL, at higher fields, like 10 Tesla, one will start to see colors.  

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Re: Human Magnetoreception!

gepr
In reply to this post by Steve Smith


On 3/19/19 11:03 AM, Steven A Smith wrote:
>  1. Is sleeping E/W significantly different and N/S geomagnetically?  
>     (I prefer to be woken by the rising sun, myself, not so clear on the
>     geomagnetic implications though)

I don't know, of course.  But my favorite story (?) I use on Renee' is that:  The pineal gland is The Third Eye and is sensitive to light.  She and her sisters all insist on total darkness when they sleep (even to the point of taping over the LED light on the smoke detector in hotel rooms).  Birds are also sensitive to light.  So, while this implies she and her sister are Bird Brains, it also implies they are more enlightened than the rest of us with defective Third Eyes.

>  3. Does wearing a tinfoil hat *in* an electromagnetic field introduce
>     fields larger than the geomagnetic field?
>  4. Does 3) above qualify for (accidental?) self-medication for mental
>     disorders? https://clinicaltrials.gov/ct2/show/NCT03556735

Who has access to tinfoil?  All I have is aluminum foil, damnit.  But if the placebo effect is real, then *anything* we do is self-medicating.


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Re: Human Magnetoreception!

Frank Wimberly-2
In reply to this post by gepr
On a field trip to Berkeley when I was in high school in the SF Bay Area we were standing near the Bevatron at what is now called the Lawrence Berkeley Laboratory.  There was a long braided cable hanging down nearby which was swinging. The explanation was that there was an oscillating magnetic field that was used to accelerate particles.  If the cable could feel it we could.

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Phone (505) 670-9918

On Tue, Mar 19, 2019, 3:04 PM glen ∅ <[hidden email]> wrote:
You have to wonder how high fields might modify the behavior of non-neuronal tissue, as well: https://en.wikipedia.org/wiki/Bioelectromagnetics  A friend of mine experiments with nootropics and talks quite a bit about modafinil, which I *think* is a calcium channel blocker.  I have to think a large mag field would impact whatever ions were swimming around any given tissue.  But experimenting on such things must be difficult.

On 3/19/19 9:33 AM, Marcus Daniels wrote:
> MRIs go up to about 3 Tesla.  I'm told by someone that works at the high magnetic field lab at LANL, at higher fields, like 10 Tesla, one will start to see colors.   
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Re: Human Magnetoreception!

gepr
Very nice inside joke! Of course, you mean: If the cable changed its behavior, we changed our behavior. 8^)

On 3/19/19 2:14 PM, Frank Wimberly wrote:
> On a field trip to Berkeley when I was in high school in the SF Bay Area we
> were standing near the Bevatron at what is now called the Lawrence Berkeley
> Laboratory.  There was a long braided cable hanging down nearby which was
> swinging. The explanation was that there was an oscillating magnetic field
> that was used to accelerate particles.  If the cable could feel it we could.

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Re: Human Magnetoreception!

Frank Wimberly-2
That would have been a good outcome according to our teachers.

On Tue, Mar 19, 2019 at 3:27 PM glen ∅ <[hidden email]> wrote:
Very nice inside joke! Of course, you mean: If the cable changed its behavior, we changed our behavior. 8^)

On 3/19/19 2:14 PM, Frank Wimberly wrote:
> On a field trip to Berkeley when I was in high school in the SF Bay Area we
> were standing near the Bevatron at what is now called the Lawrence Berkeley
> Laboratory.  There was a long braided cable hanging down nearby which was
> swinging. The explanation was that there was an oscillating magnetic field
> that was used to accelerate particles.  If the cable could feel it we could.
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