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Olfactory Virtual Reality Technology Being Used to Help Veterans with PTSD

OVR
Jon Kalish for WBGO News
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Virtual Reality headsets are used to give gamers the experience of a virtual word using video and sound. Now three different companies are coming out with an add-on that adds scent to the VR experience.

This is light years beyond the failed Smell-O-Vision technology of the 20th Century.  WBGO's Jon Kalish reports on a Vermont start-up whose device will soon be used by psychologists treating veterans with PTSD.

Click above to hear Jon's feature on OVR.