In real life, we simply don't have a situation in which you don't feel anything at all. But this effect is quite possible to achieve with the help of modern technology. This is what happens when you are alone with yourself.
Who invented it
Back in 1954, the American neuroscientist John Lilly wondered what would happen to the consciousness of a person who was completely devoid of all senses. He created the first ever sensory deprivation capsule, suddenly discovering that he was on the verge of a very significant discovery.
How it works
We are never deprived of sensations in everyday life. But the capsule contains nothing at all: no sounds, no smells, no visual images, no tactile sensations. Try to imagine what will happen to a psyche devoid of external stimuli. For some, being alone with yourself will be a real challenge!
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What's going on inside
Modern capsules are built on the same principle. A person is immersed in a container filled with an aqueous solution of Epsom salts. The high concentration of salt helps to keep the body afloat, creating a feeling of weightlessness.
Thermal comfort
The ambient temperature gives our senses a lot of information. That is why the capsules contain water of a certain temperature, 34 degrees Celsius: the body quickly adapts to it and after a few minutes a person stops receiving tactile sensations.
Quiet and dark
Sensory deprivation capsules do not require any additional musical accompaniment. No music for meditation, no sounds of nature - the point is to completely deprive you of external influence.
Dealing with stress
Clinical neuropsychologist Justin Feinstein, who has spent the past decade studying the effects of sensory deprivation, says just a few sessions can significantly reduce overall stress levels. However, this is quite obvious: without external stimuli, the nervous system relaxes, which reduces the level of anxiety.
Relieves pain syndrome
People with migraines are increasingly being prescribed sessions in sensory deprivation capsules. It is not yet clear exactly how the absence of external stimuli helps to relieve pain, but experiments have shown that regular sessions in such capsules really help.
Is it safe?
Frankly, nobody knows. Neuroscientists and psychologists insist on further, more detailed study of the effect of sensory deprivation capsules on the human psyche. So far, one thing is clear: two or three sessions a month have a positive effect on health. Scientists have not yet decided on longer experiments.