Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
40 participants
INTERVENTIONAL
2016-09-30
2019-09-30
Brief Summary
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Detailed Description
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While virtual reality exposure therapy has shown promise in research (Powers \& Emmelkamp, 2008), studies have shown that many users complain that the computer generated virtual reality (VR) stimuli looks unrealistic, eccentric and too much like a video game (Kwon, Powell, \& Chalmers, 2013). Virtual reality environments have been traditionally created by programmers using video game assets and computer generated imagery (CGI). While CGI can be used to make intricate virtual environments, unless there is a team of expert digital artists, the virtual stimulus may end up looking rudimentary and exhibit a number of graphical glitches which could prove distracting in therapy. Furthermore CGI often suffers from the uncanny valley effect: the tendency of CGI representations of people to be viewed as unsettling as the representations become more lifelike. In addition the many current CGI virtual reality packages are expensive and only available for limited number of fear domains. Recently however an exciting alternative to traditional computer generated virtual reality has emerged: ortho-stereoscopic 3D Video VR. Ortho-stereoscopic 3D refers to 3D videos that are designed to mimic the natural depth we normally see, as opposed to exaggerating it (i.e. Commercial 3D movies). The benefit of 3D VR as opposed to CGI VR is that it is photo realistic, does not suffer from a uncanny valley effect of CGI, and is able to capture nuances of real life fears that are hard to reproduce with CGI.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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3D VVRET
Behavioral: 3D Video Virtual Reality Exposure Therapy (VVRET)
1 30 minute 3D VRET treatment session for arachnophobia.
3D Video Virtual Reality Exposure Therapy
The 3D video exposure therapy treatment will be administered using an oculus rift virtual reality headset. The oculus rift is a new, affordable virtual reality headset, which uses two different spherical lenses to induce a sense of stereoscopic 3D. Ortho-stereoscopic 3D refers to 3D videos that are designed to mimic the natural depth we normally see, as opposed to exaggerating it (i.e. Commercial 3D movies). To create these 3D videos, the UT 3D Department shot videos of live spiders using a stereoscopic 3D dual camera rig, which simultaneously shoots footage with two cameras positioned apart from each other in a way that mimics the natural pupillary distance between our right and left eyes. To create a sense of 3D depth, the footage of the right and left cameras is then projected on the two different lenses of the oculus rift, creating a sense of depth to the viewer through retinal disparity.
Waitlist
Participants randomized to the waitlist group will complete all study procedures except the 3D VVRET. After the conclusion of their sessions, these participants will be offered the full 3D-VVRET treatment.
No interventions assigned to this group
Interventions
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3D Video Virtual Reality Exposure Therapy
The 3D video exposure therapy treatment will be administered using an oculus rift virtual reality headset. The oculus rift is a new, affordable virtual reality headset, which uses two different spherical lenses to induce a sense of stereoscopic 3D. Ortho-stereoscopic 3D refers to 3D videos that are designed to mimic the natural depth we normally see, as opposed to exaggerating it (i.e. Commercial 3D movies). To create these 3D videos, the UT 3D Department shot videos of live spiders using a stereoscopic 3D dual camera rig, which simultaneously shoots footage with two cameras positioned apart from each other in a way that mimics the natural pupillary distance between our right and left eyes. To create a sense of 3D depth, the footage of the right and left cameras is then projected on the two different lenses of the oculus rift, creating a sense of depth to the viewer through retinal disparity.
Eligibility Criteria
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Inclusion Criteria
* At least one standard deviation above the SONA pool mean on Fear of Spiders Questionnaire or Acrophobia Questionnaire.
Exclusion Criteria
* Currently (or in the last 3 months) receiving exposure-based treatment for acrophobia or arachnophobia
18 Years
65 Years
ALL
Yes
Sponsors
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University of Texas at Austin
OTHER
Responsible Party
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Mark B. Powers
Research Associate Professor
Locations
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The University of Texas at Austin
Austin, Texas, United States
Countries
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Other Identifiers
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2015-08-0008
Identifier Type: -
Identifier Source: org_study_id