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Protesters Attacked using Subliminal Acoustic Manipulation of their Nervous Systems

It has been discovered that deeply subliminal atmospheric acoustic pulses with frequencies near 1/2 Hz can evoke in a human subject a nervous system response that includes:

  • ptosis of the eyelids: [a Sudden eyelid drooping, or ptosis, can have a variety of causes. Peripheral nerves that travel through the neck can be disrupted, causing eyelid drooping along with a constricted pupil]:

  • relaxation

  • drowsiness

  • the feeling of pressure at a centered spot on the brow

  • seeing moving patterns of dark purple and greenish yellow with the eyes closed

  • a soft warm feeling in the stomach

  • a tonic smile

  • a "knot" in the stomach

  • sudden loose stools

  • and sexual excitement, depending on the precise acoustic frequency used.

These responses show that this sensory resonance involves the autonomic nervous system.

Subliminal Acoustic Manipulation was discovered in the late 1950's but initial deployment and use of subsonic frequency 'cannons' to control riots and crowd disturbances was banned in most EU Countries as an offence under the Human Rights Act, since the targets of these 'weapons' often suffered sudden and uncontrolable bowel movements. However the bans have since been rescinded.

In 1997, a US patent US6017302A was filed which covered the use of subsonic [subliminal] frequencies of 15Hz down to 1/2 Hz.

Other similar patents have been filed which predate the current registration by decades.

The resonance frequencies of the 1/2 Hz and 2.5 Hz sensory resonances can stimulate different physiological effects to occur at slightly different frequencies. Thus, one can tune for drowsiness or sexual excitement, as desired. The precise resonance frequency is also expected to depend slightly on the subject and the state of the nervous and endocrine systems, but it can be measured readily by tuning the acoustic pulse frequency for maximum physiological effect.

Besides the resonances near 1/2 and 2.5 Hz, other sensory resonances may be found, and those with resonance frequencies below 15 Hz are expected to be excitable acoustically via the vestibular nerve, since the vestibular hair cells are sensitive in this frequency range.

The finding that deeply subliminal sub-audio acoustic stimulation can influence the central nervous system suggests a method and apparatus for manipulating the nervous system of a subject by inducing subliminal atmospheric acoustic pulses of sub-audio frequency at the subject's ears.

Another kind of acoustic 'weapon' is the Sonic or Ultrasonic weapon (USW). These are weapons of various types that use sound to injure or incapacitate an opponent.

Some sonic weapons make a focused beam of sound or of ultrasound; others produce an area field of sound. As of 2021military and police forces make some limited use of sonic weapons. These devices were used both in New Zealand, Australia and Canada to quell and disperse protestors.

Extremely high-power sound waves can disrupt or destroy the eardrums of a target and cause severe pain or disorientation. This is usually sufficient to incapacitate a person. Less powerful sound waves can cause humans to experience nausea or discomfort.

A long-range acoustic device (LRAD) produces a 30 degree cone of audible sound in frequencies within the human hearing spectrum (20 Hz – 20kHz) and are used to disperse protesters and rioters in crowd control efforts.

A similar system is the "magnetic acoustic device". The Mosquito sonic device has been used in the United Kingdom to deter teenagers from lingering around shops in target areas. The device works by emitting an ultra-high frequency blast (around 19–20 kHz) that teenagers or people under approximately 20 are susceptible to and find uncomfortable.

Some police forces have used sound cannons against protesters, for example during the 2009 G20 Pittsburgh summit, the 2014 Ferguson unrest,[ and the 2016 Dakota Access Pipeline protest in North Dakota, among others.

Ontario Judges recently permitted the police to use LRAD's against protesters supporting the Truckers blockade.

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