Re: [Openeeg-list] DC Current effect on the brain

[Ray C. <ray...@ms...>]

I was just wondering if anyone out there might have a definitive answer =
to a question?  Neurofeedback and biofeedback are well-known, clinical =
practices that have been thoroughly studied, and seem to be beyond the =
reach of any skeptic's criticism, but what about the concept of =
"entrainment," as applied to brain waves?  Entrainment, not feedback.

Physical objects can certainly become "entrained," such as when one =
guitar is placed close to another, and the first one's string is =
plucked, causing the second guitar's equal-length string to vibrate.  =
This is simply the phenomenon of mechanical resonance in action.  But is =
the same thing true of brain waves?  Are the many devices found on the =
market/internet which claim to entrain brain waves truly effective, or =
are they merely shams?  I am speaking, here, of the auditory/visual =
devices, such as those oft-seen pairs of glasses with LED's in them and =
their associated sound generators, which purport to entrain the =
subject's brain waves to the beta and theta states.  Is there any hard =
data to prove these claims? If anyone knows of any such studies that =
have been done by independent, reputable researchers, I would appreciate =
hearing about it. =20

Thank you.


--Ray Cole



  ----- Original Message -----=20
  From: Doug Sutherland<mailto:do...@pr...>=20
  To: General discussion of hardware and software, for developers and =
users.<mailto:ope...@li...>=20
  Sent: Monday, February 26, 2007 9:49 PM
  Subject: Re: [Openeeg-list] DC Current effect on the brain


  This biotele thing ...
   > electricity messes with the delicate nerves inside the ear that =
help=20
  maintain balance.

  Is just ... wrong.
   > if you stick the negative of a 9V battery to your forehead and the=20
  positive to your
   > back head you relieve depression!

  As a biofeedback practitioner once said to me "we're talking about =
your=20
  brain here".

      ..=B7=B4=A8=A8))  -:=A6:-
               =B8.=B7=B4 .=B7=B4=A8=A8))
             ((=B8=B8.=B7=B4  ..=B7=B4   Doug -:=A6:-
           -:=A6:-    ((=B8=B8.=B7=B4


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