THE play Ugly Lies The Bone, which opened at London's National Theatre recently, is more than just a survivor story. It is a visually arresting meditation on a therapy that uses virtual reality. VR exposure therapy, trialled in 1997 by Albert Carlin and Hunter Hoffman at the University of Washington Human Interface Lab, produced Spiderworld. This allowed a phobic individual to interact with the object of their fear-in this case, a 3D arachnid. After 12 sessions, the person's symptoms seemed to disappear.
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