We see the sound
1. "Sound + color"? The property of sounds to evoke color images has been noticed a long time ago. Much has been written about the color rumor of A. Scriabin,…

Continue reading →

Mozart effect
Listening to Mozart's music enhances our brain activity. After listening to Mozart, people who answer the standard IQ test demonstrate an increase in intelligence. This phenomenon, discovered by some scholars,…

Continue reading →

MIDI keyboard
We all know synthesizers, which are “electronic pianos” with many special effects and functions. The whole charm of the synthesizer lies in the fact that it can autonomously act as…

Continue reading →

Healthy skin – healthy hearing

The theory claims that the brain uses a holographic coding system, so that it is capable of multifaceted encoding sensory signals through all senses. Therefore, any stimulus, such as sound, for example, can be transmitted through any other sensory organ, in such a way that the brain can recognize the incoming signal just like sound, using a type of signal code that is special for sound.

It seems that without wanting it, Patrick Flanagan made a significant contribution to the confirmation of this theory when, as a teenager, he invented a device that allows any person (even completely deaf, even with a middle ear removed surgically and, moreover, even with completely atrophied auditory nerve) hear through the skin. Patrick called his device – “Neurophone” (Neurophone). An entertaining story of the creation of a neurophone.

How it works?

At the beginning of the seventies, at the University of Virginia, Dr. Martin Lenhardt and his colleagues showed that both normally hearing people and completely deaf people can perceive ultrasonic frequencies in the range from 28,000 Hz to 100,000 Hz if the sound is brought to body through direct contact with the emitter.

Through experiments, it was found that there are two separate channels through which the brain can hear. One channel – for frequencies from 20 Hz to 20,000 Hz (normal sound). This channel conducts sounds into the cochlea (inner or middle ear) through air or through bone conduction.

The second hearing channel was discovered by Patrick Flanagan in 1958 and explored in the 70s by Dr. Lenhardt and his colleagues. The second channel conducts ultrasonic waves through bones, body fluids or through the skin to a recently discovered new hearing organ.

Lenhardt claims that the tool for the perception of ultrasonic vibrations is a small organ located in the brain and known as the labyrinth (balance organ) – the most important part of the vestibular apparatus. This organ is about the size of a snowflake.

The labyrinth is used by the body to perceive gravity. It is filled with liquid and has thin hairs that expand to the base. When the position of the head changes, the movement of the fluid stimulates the hairs, telling us where we deviated from the vertical position.

The skin is the largest and most complex organ. In addition to being the first line of defense of the body against infection, the skin is a giant liquid crystal brain.

Any organ of perception evolved from the skin. When a person begins to live as an embryo, his sensory organs develop from skin folds. Many primitive organisms and animals can see and hear through the skin.

The skin has piezoelectric properties. If you apply vibration to it or rub it, it generates electrical signals and plane waves.

When you use a Neurophone, the skin vibrates at an amplitude-modulated carrier ultrasound frequency of 40 kHz and translates into electrical sound signals through multiple channels to the brain.

The emitters in the first models of the Neurophone had a very original design. They were voluminous copper nets for cleaning pans and pots (Brillo net), enclosed in plastic bags. A voltage of 40 kHz was applied to the grids, amplitude-modulated with a span of up to 3000 volts (at extremely low current). Although similar devices have been used since the end of the last century “to treat inflammatory processes and accelerate the regeneration of affected tissues and are absolutely safe, it is not very pleasant to constantly deal with high voltage – the hair moves and the goosebumps” run “…

Therefore, in order to make the process more comfortable and more efficiently transmit vibration, in 1974, Dr. Flanagan had already developed special piezoelectric disinfector (ultrasonic emitters on ceramic crystals with piezoelectric properties).

Crystals with piezoelectric properties are compressed and expanded with a frequency equal to the frequency of the electric current flowing along their surface. Vibration from crystals is mechanically transmitted to the skin at a carrier frequency of 40 kHz Neurophone.

When Neuron emitters are pressed to the skin, or when they are connected together, they vibrate in two modes. One is ordinary sound, the second is ultrasound, which can only be heard through the skin or through bone conduction. When the “headphones” from the Neurophone come into contact with the skin, an ultrasonic voice or music begins to be perceived as a labyrinth instead of a snail.

The choice in favor of ultrasound, apparently, is not accidental. Recent studies have found that, it turns out, we live in a world of ultrasonic vibrations. Even when a person simply walks along the grass, ultrasound is generated. Each tree is an ultrasound generator, which it uses to pump water through the capillaries from the roots to the top. And finally, ultrasonic vibrations with a frequency of 28,000 hertz were recorded from the palms of a person.

Listening function
Listening, not hearing, is the primary function of the ear. Tomatis draws a clear line between listening and hearing. Hearing is a passive process; listening is active and it requires…

...

Why does music heal?
Almost everything that happens in nature is connected with the world of sounds. In any case, in wildlife. It can be considered proven that music affects us and you, and…

...

What is pop music
Estrada is a type of stage art that implies both a separate genre and a synthesis of genres: singing, dance, original performance, circus art, illusions. Pop music is a form…

...

The influence of the tempo-rhythmic structure of music on the psychophysiological state of a person
Musical culture in its deepest meaning has long gone beyond the circle of music lovers in the modern world. The widespread use of music in order to influence the state…

...