PMC5089996_01
A screenshot of the Virtual reality world the patient watched through Oculus Rift DK2 VR goggles while listening to Dr. Linehan's DBT  Mindfulness Skills  audios (http://behavioraltech.org). Image by www.bigenvironments.com, copyright Hunter Hoffman, www.vrpain.com.
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The VR world (see Figure 1) was designed to give the patient the illusion of going inside the 3D computer generated world, where they floated slowly down a computer generated river in VR, with trees, boulders, and mountains (VR World/visuals created and copyrighted by BigEnvironments.com using Unity3D software, see also vrpain.com).