"At Cornell University, New York state, academics have pioneered the use of virtual reality for a range of psychiatric problems. People with phobias of flying, for example, can experience a virtual flight without leaving the safety of the consultation room. Using a computer headset, the patient is exposed to an ascending hierarchy of fear inducing experiences, from taking a cabin seat with the engines off, to descending and landing in bad weather.
A similar intervention involves virtual public speaking, in which the therapist can control the responses of a virtual audience, ranging from ringing applause to an atmosphere of deep boredom and agitation."
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