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I tried an isolation tank!

I tried an isolation tank!

In 1980, an isolation tank appeared in the film “Altered States.” Now, 40 years later, the isolation tank is experiencing a revival!

An isolation tank is a single-person tank containing warm water with 500 times the normal salt content. The user floats inside and is completely shut off from the light and sound of the outside world. Floating in saltwater provides a feeling of impermanence. Isolation tanks were popular in 1980, but I was a middle school student then, so I’d never tried one.

The film was inspired by a tank devised by John C. Lilly of the National Institute of Mental Health (NIMH) in 1954 to study sensory deprivation. The experience of the tank came to be compared to mystical experiences.

Twenty-five years after its invention the tank appeared in a film modeled after Dr. Lilly.
In the film, a brilliant scientist wishing to explore the origins of life drinks a hallucinogen obtained from an unexplored area of Mexico. The scientist then enters an isolation tank. The experimenter himself becomes the experiment.

Humans have evolved from fish, passing through stages as amphibians, reptiles, birds, and so on. In the film, the tank is used to explore the evolutionary process by traveling into a past that sleeps deep within the human brain. However, unexpected changes begin to occur to the protagonist’s body. That’s the plot of this thriller…

I loved science fiction movies as a middle school student. Now, 30 years later, I finally had the chance to experience an isolation tank!
I didn’t see any hallucinations, though… (haha)

◆ Reference
A new kind of flow experience that empties the mind and resets it back to zero. Re-experience life as a yet unborn child…

Altered States Trailer (1980)