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Updated: May 7, 2025
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Determining Pain Detection and Tolerance Thresholds Using an Integrated, Multi-Modal Pain Task Battery
Published on: April 14, 2016
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Conditioned Pain Modulation (CPM) Paradigms: Reliability and Relationship With Individual Characteristics
Antonio Gil-Ugidos1, Lara Rubal-Otero2, Alberto González-Villar3
1Brain and Pain lab, Institute of Psychology (IPsiUS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
Summary
Conditioned Pain Modulation (CPM) testing shows that pain pressure threshold (PPT) is a sensitive method for assessing endogenous pain modulation in healthy individuals. Standardized protocols are needed for clinical application.
Area of Science:
- Neuroscience
- Pain research
Background:
- Conditioned Pain Modulation (CPM) assesses endogenous pain modulation.
- Inconsistent clinical results may stem from varied protocols and individual factors.
Purpose of the Study:
- Evaluate the sensitivity and reliability of four CPM paradigms.
- Examine CPM relationships with Temporal Summation of Second Pain (TSSP), demographics, and psychological variables.
Main Methods:
- Tested four common CPM paradigms in 58 healthy participants.
- Assessed correlations with TSSP, age, sex, anxiety, and stress.
Main Results:
- Pain pressure threshold (PPT) paradigms showed higher sensitivity and responder rates (>65%).
- All CPM measures exhibited excellent intrasession reliability.
- No significant correlations found between CPM, TSSP, age, sex, or psychological factors.
Conclusions:
- CPM indices demonstrate good reliability.
- Standardized CPM protocols and normative data are essential for clinical utility.
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