http://www.imdb.com/title/tt0080360/
http://en.wikipedia.org/wiki/Altered_States

An American researching different states of consciousness with the aid of mind altering drugs and an isolation chamber begins to experience disturbing physical changes in his body that point toward an evolutionary regression.....

A research scientist who believes in different states of consciousness uses a sensory deprivation tank and hallucinogenic drugs to find the ultimate truth. But soon his mind-altering experiments get out of control...

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upd:18.6.09
http://rapidshare.com/files/28850933/alteredstates.part1.rar