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KMID : 0389420200280020051
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Korean Journal of Stress Research
2020 Volume.28 No. 2 p.51 ~ p.60
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The Efficacy of Interpretation Bias Modification Program for Pain Outcomes
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Park Hye-Jin
Cho Sung-Kun
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Abstract
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Background: Fear-avoidance model for pain suggests interpretation bias affects subsequent pain experience. However, limited research has been conducted on the role of interpretation bias in a subjective pain experience. The purpose of this study was to investigate the efficacy of interpretation bias modification for pain outcomes (i.e., pain intensity, threshold, and tolerance).
Methods: 53 healthy university students were randomly assigned to either the training (n=28) or the control group (n=25). Interpretation bias and negative emotion were assessed before and after conducting the interpretation bias modification for pain (IBM-P). During a cold pressor task, pain outcomes were measured.
Results: Results indicated that the training group showed significantly decreased interpretation bias and negative emotion than the control group after the IBM-P. Also, participants in the training group was found to have a greater pain threshold during the cold pressor task than those in the control group. Furthermore, the IBM-P effect on increased pain threshold was mediated by post-interpretational bias. Other pain outcomes and mediating effect of post-interpretational bias on the negative emotion were not significant.
Conclusions: Results highlight that interpretation bias is modifiable and plays an important role in pain outcomes. Thus, using IBM-P for pain patients can be a useful application to alleviate their pain outcomes. Future research should consider the precise role of interpretation bias that affects patient’s pain outcomes.
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KEYWORD
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Pain, Interpretation bias, Interpretation bias modification, Cold pressor task
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