Abstract:
:In light of growing concerns about opioid analgesics, developing new non-pharmacologic pain control techniques has become a high priority. Adjunctive virtual reality can help reduce acute pain during painful medical procedures. However, for some especially painful medical procedures such as burn wound cleaning, clinical researchers recommend that more distracting versions of virtual reality are needed, to further amplify the potency of virtual reality analgesia. The current study with healthy volunteers explores for the first time whether interacting with virtual objects in Virtual Reality (VR) via "hands free" eye-tracking technology integrated into the VR helmet makes VR more effective/powerful than non-interactive/passive VR (no eye-tracking) for reducing pain during brief thermal pain stimuli. Method:Forty eight healthy volunteers participated in the main study. Using a within-subject design, each participant received one brief thermal pain stimulus during interactive eye tracked virtual reality, and each participant received another thermal pain stimulus during non-interactive VR (treatment order randomized). After each pain stimulus, participants provided subjective 0-10 ratings of cognitive, sensory and affective components of pain, and rated the amount of fun they had during the pain stimulus. Results:As predicted, interactive eye tracking increased the analgesic effectiveness of immersive virtual reality. Compared to the passive non-interactive VR condition, during the interactive eye tracked VR condition, participants reported significant reductions in worst pain (p < 0.001) and pain unpleasantness (p < 0.001). Participants reported a significantly stronger illusion of presence (p < 0.001), and significantly more fun in VR (p < 0.001) during the interactive condition compared to during passive VR. In summary, as predicted by our primary hypothesis, in the current laboratory acute pain analog study with healthy volunteers, increasing the immersiveness of the VR system via interactive eye tracking significantly increased how effectively VR reduced worst pain during a brief thermal pain stimulus. Although attention was not directly measured, the pattern of pain ratings, presence ratings, and fun ratings are consistent with an attentional mechanism for how VR reduces pain. Whether the current results generalize to clinical patient populations is another important topic for future research. Additional research and development is recommended.
journal_name
Front Hum Neuroscijournal_title
Frontiers in human neuroscienceauthors
Al-Ghamdi NA,Meyer WJ 3rd,Atzori B,Alhalabi W,Seibel CC,Ullman D,Hoffman HGdoi
10.3389/fnhum.2019.00467subject
Has Abstractpub_date
2020-01-23 00:00:00pages
467issn
1662-5161journal_volume
13pub_type
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journal_title:Frontiers in human neuroscience
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journal_title:Frontiers in human neuroscience
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pub_type: 已发布勘误
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pub_type: 杂志文章
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journal_title:Frontiers in human neuroscience
pub_type: 杂志文章
doi:10.3389/fnhum.2018.00335
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journal_title:Frontiers in human neuroscience
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doi:10.3389/fnhum.2013.00074
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journal_title:Frontiers in human neuroscience
pub_type: 杂志文章
doi:10.3389/fnhum.2010.00239
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journal_title:Frontiers in human neuroscience
pub_type: 杂志文章
doi:10.3389/fnhum.2017.00628
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journal_title:Frontiers in human neuroscience
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