Trial reportBrain and behavior2020
Performance of healthy persons under pain in different cognitive load tasks: An event-related potential study on experimental pain individuals.
Trial report in Brain and behavior, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 8 citations in OpenAlex.
- Attention Bias to Pain Words Comes Early and Cognitive Load Matters: Evidence from an ERP Study on Experimental Pain.Neural plasticity · 2021Trial
- Performance of healthy persons under pain in different cognitive load tasks: An event-related potential study on experimental pain individuals.Brain and behavior · 2020Trial
- Pain Enhances the Auditory P2 but Attenuates Mismatch Response and P3a.European journal of pain (London, England) · 2026Article
- The excessive generalization of fear affected by perceptual bias in experimental pain individuals: Evidence from an event-related potential study.Brain and behavior · 2023Article
- Experience with opioids does not modify the brain network involved in expectations of placebo analgesia.The European journal of neuroscience · 2022Article
- Association of Pain During the Evaluation of Delirium in Intensive Care Unit Patients.Frontiers in medicine · 2021Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
objectiveThis study aims to determine how brain activities underlying task with different cognitive load would be modulated by the painful state using electroencephalography.
methodsThe pain state was established by spraying capsaicin on subjects' left inner forearm. A total of 20 experimental pain subjects and 20 matched nonpain controls underwent cognitive tasks with electroencephalogram recording. We collected and analyzed behavioral and event-related potential (ERP) data.
resultsHigh cognitive tasks exhibited significantly longer response times and lower accuracies than low-load tasks. The experimental pain group displayed a significantly lower accuracy than the control group. In addition, the experimental pain group showed no significance between high and low cognitive tasks in early ERP components (amplitude of N1, P2, N2, and early part of late positive potential), whereas the control group exhibited significance between different load tasks. Furthermore, we observed a delay peak energy for delta and theta oscillation in Fz 500-800 ms after the onset for pain persons and high cognitive load tasks.
conclusionsInadequate early attention modulation, along with delayed peak energy for brain oscillation (delta and theta), could be accountable for a worse performance in cognitive tasks in the experimental pain group. Thus, cognitive load is a highly considerable factor. Overall, this study offers more insights into how healthy population works with cognitive tasks under pain neurologically.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.