The Playboy Forum
July, 1981
Altered StatesThe success of the s-f film Altered States has made sensory-deprivation tanks a hot pop-culture item. Sense-tank emporiums are popping up across the country and cosmic cowboys who used to ride the bull can now go tripping in the tank. Never one to pass up a new fad, I headed for a storefront near Northwestern University, where I experienced an unusual phenomenon I thought your readers might find interesting.Most of the literature concerning sense-tank sensations describes druglike...
