Isolation Tanks
In 1954, John C. Lilly developed the isolation tank to test the effects of sensory deprivation. Such tanks are intended to completely deprive the brain of any external stimulation; they are lightless, soundproof, and filled with warm saltwater to promote flotation and reduce skin sensation. Isolation tanks are now used for meditation, relaxation, and in alternative medicine. A therapeutic session typically lasts an hour, and it is reportedly common to experience what during the first 40 minutes? More… Discuss
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