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Headphones & rTMS

post #1 of 4
6/29/10 at 5:25am
Thread Starter 

Is anyone here familiar with (repetitive) transcranial magnetic stimulation currently under research as a form of therapy?

 

The devices typically include two coils and look like this:

Beth%20Israel%2028%20April%202008%200016.JPG

 

Typical data, from wiki & cited to http://www.biomag.hus.fi/tms/terminology.html

  • magnetic field: often about 2 teslas on the coil surface and 0.5 T in the cortex
  • current rise time: zero to peak, often around 70-100 microseconds
  • wave form: monophasic or biphasic
  • repetition rate for rTMS: below 1 Hz (slow TMS), above 1 Hz (rapid-rate TMS)

 

Although the electrical properties differ greatly from headphones, there are some similarities. The question is whether the magnetic field from headphones could have a similar effect on changing the electrical properties of nearby cell pathways.

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post #2 of 4
6/29/10 at 11:00am

How do they sound?  

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post #3 of 4
6/29/10 at 11:52am
Quote:
Originally Posted by Anaxilus View Post

How do they sound?  


Judging by that magnetic field, about twice as good as the T1.

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post #4 of 4
6/30/10 at 5:36am

I doubt it - the voice coils on a headphone would be much further away from the brain than this piece of equipment and the magnetic field it generates is a lot weaker and orientated inwards.

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