MIND MEDIA - Health Technology products and Biofeedback Systems:
http://ourworld.compuserve.com/homepages/mind_media/
Also, the latest Release 1.7 of the BrainMaster software
(for Windows) is now available, free:
BrainMaster mailing list, circuit boards, components, kits,
electrodes, and assembled units are available....
--Bill
At 02:25 AM 12-18-98 -0500, you wrote:
>
>I'm looking for a circuit or schematic of a reasonably efficient
biofeedback device.
>
>This should be one that will either sound a tone or give some sort
of auditory indication when a certain range of brain states have
been achieved.