Is this plausible - remote EEG

Complete nonsense IMO. In what way could the RF probe possibly "interfere" with the low frequency microvolt level EEG within the brain, detectable at the recieving antenna?

Non-contact EEG has been extensively investigated but no one has ever made it work to a useful extent, because in most environments as you get away from the surface of the head your signal is too far below the common mode noise you need to reject. Not even mechanically attached capacitivly coupled electrodes can do the job, the impedance is too high at the few Hz frequencies of interest to deliver a usable signal anywhere outside a shielded room.

The voltage levels within the brain could be at hundreds of millivolts, the depolarization potential of the neurons. But from one part of the brain to another, the depolarizations won't be synchronized, so a gross RF probe might get millivolt or microvolt resultants (if it worked at all), just like at the scalp surface.

It sounds like crackpot stuff to me, too. A Google search seems to link the patent to a lot of black helicopter/aluminum hat stuff. The "Description of the preferred embodiment" in the patent seems to be equivalent to "If I did it - here's how it happened." A 100 MHz wave with a wavelength of 3 m seems like a blunt tool to pick up brain waves in a 0.15 m head.

There are some squid-based MEGs that measure brain activity without electrically connecting to the head, but the ones here have 155 sensors to get spatial resolution:

Easily countered by tinfoil hats.

Remember: Shiny side out.

-- Paul Hovnanian mailto: snipped-for-privacy@Hovnanian.com

------------------------------------------------------------------ I like long walks, especially when they are taken by people who annoy me.

How about 2.4GHz? I've got a spare magnetron lying around.

Note to the humor-impaired: Don't try this.

I was wondering if there's some (non-linear?) interaction been discovered that would make it more feasible. However, like another posters says, 100MHz seems like too low a frequency as well. If anything like this is possible I'd guess it would be in the centimeter wavelength region.

And since someone did a search and connected with the usual paranoid mind control stuff I can guess where the 100MHz comes from - deadly FM rays being emitted secretly from radio stations.

Why? All it takes is to trick the switch on a uwave oven with ones head inside.

Which reminds me - someone somewhere must have tried to commit suicide like this. Any depressed EEs come to mind?