Anxiety Disorders Clinical Trial
Official title:
Augmenting Virtual Reality Exposure Therapy for Acrophobia With Tactile Feedback and Point-based Rewards
Verified date | May 2022 |
Source | University of Nevada, Reno |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study will examine whether tactile feedback and point-based rewards can be used to improve outcomes from virtual reality exposure therapy for acrophobia.
Status | Suspended |
Enrollment | 128 |
Est. completion date | January 1, 2023 |
Est. primary completion date | January 1, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Fluent in English - Indicates sufficient fear of heights based on responses (a) on a self-report questionnaire (the Acrophobia Questionnaire) administered at prescreening, and (b) on Behavioral Avoidance Tests administered at baseline. Exclusion Criteria: - Already receiving exposure therapy for height phobia |
Country | Name | City | State |
---|---|---|---|
United States | University of Nevada Reno | Reno | Nevada |
Lead Sponsor | Collaborator |
---|---|
University of Nevada, Reno |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Behavioral approach test (BAT)- generalization context | Participants will walk up a staircase until they reach the highest level they can complete. During each BAT, we will assess fear response behaviorally (highest step reached up to 101 steps), physiologically (heart rate and electrodermal activity), and subjectively (self reported levels of anticipated and peak fear). | Change from baseline to one-month follow-up | |
Primary | Behavioral approach test (BAT) -treatment context | Participants will stand on a plank in virtual reality and raise the plank until they reach the highest level they can complete. During each BAT, we will assess fear response behaviorally (highest step reached up to 70 steps), physiologically (heart rate and electrodermal activity), and subjectively (self reported levels of anticipated and peak fear). | Change from baseline to one-month follow-up | |
Primary | Acrophobia Questionnaire (AQ) | Participants will complete the AQ, a 40-item questionnaire that assesses self-reported anxiety and avoidance related to acrophobia. Scores for each subscale are summed, and totals range from 0 to 120 for each subscale, with higher scores indicating greater anxiety or avoidance. | Change from baseline to one-month follow-up | |
Primary | Heights Interpretation Questionnaire (HIQ) | Participants will complete the HIQ, a 16-item questionnaire that assesses self-reported interpretations of an imagined experience of heights. Items are summed scored, and totals ranged from 16 to 80, with higher scores indicating greater height fear-relevant interpretation bias. | Change from baseline to one-month follow-up | |
Secondary | Anxiety Disorders Interview Schedule for the Diagnostic and Statistical Manual of Mental Disorders (DSM)-5 - Specific Phobia Module | Participants will be given a structured interview to determine whether they meet diagnostic criteria for specific phobia. | Change from baseline to one-month follow-up | |
Secondary | Treatment Drop-out Questionnaire | Experimenters will record whether or not participants drop out of treatment. This will be operationalized as beginning virtual reality exposure therapy, but discontinuing the study before the two-session treatment is complete. | Post-treatment (about 1 week) | |
Secondary | Willingness to continue exposure therapy | This scale will assess assess whether participants would be willing (from 0% to 100%) to use the heights exposure program at home, or to return to the lab for another therapy session. | Post-treatment (about 1 week) |
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---|---|---|---|
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