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Does experimentally induced pain affect attention? A meta-analytical review.
Wenxiao Gong1,2, Lu Fan1,2, Fei Luo1,2
1CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China, luof@psych.ac.cn.
Journal of Pain Research
|February 22, 2019
Summary
Experimentally induced acute pain can affect orienting and alerting attention in healthy individuals, but not executive attention. This meta-analysis highlights how pain influences specific attentional processes.
Area of Science:
- Cognitive Neuroscience
- Pain Research
- Psychology
Background:
- Clinical pain is increasingly linked to cognitive impairment.
- A gap exists in systematic reviews concerning acute pain's impact on attention.
- Laboratory-induced pain models acute pain for research.
Purpose of the Study:
- To systematically evaluate the influence of induced pain on attention.
- To analyze effects on orienting, alerting, and executive attention components.
- To assess these effects in healthy subjects.
Main Methods:
- Systematic meta-analysis of eight studies.
- Inclusion criteria: laboratory-induced pain and control groups.
- Data extraction and assessment followed Cochrane and PRISMA guidelines.
Main Results:
- Orienting attention showed marginal interruption (invalid cue) and facilitation (valid cue).
- Alerting attention performance was decreased by pain.
- Executive attention was not significantly impacted by pain.
Conclusions:
- Moderate evidence suggests induced pain affects orienting and alerting attention.
- No significant effect was found on executive attention.
- Experimentally induced pain demonstrably influences specific attentional functions.
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