Infrasonic frequency response measurements include earthquakes and electroencephalography ( brain waves ).
2.
Infrasonic frequencies range from 20 Hz down to 0.001 Hz.
3.
The "'brown note "'is a hypothetical infrasonic frequency that would cause humans to lose control of their bowels due to resonance.
4.
In " TechnoMage ", a compendium of writings on technology and the occult, author Dirk Bruere relates, " The recording'. . . contains two infrasonic frequencies, 3hz and 9hz, which, combined, generate a lower, third frequency of 0.56hz .'They do not . " Paranormal expert Maytag ."