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Modelling Pain Perception Using Fuzzy Cognitive Maps.

Hojjatollah Farahani1, Nataša Kovač2, Helal Fardi3

  • 1Department of Psychology, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran.

Journal of Pain Research
|October 9, 2025
PubMed
Summary
This summary is machine-generated.

This study developed a computational model using Fuzzy Cognitive Maps (FCMs) to understand pain perception. The model simulates how physiological, psychological, and social factors interact to influence individual pain experiences.

Keywords:
elements of pain perceptionfuzzy cognitive mapsmedical decision support systemspain managementpain perception

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Area of Science:

  • Computational neuroscience
  • Pain research
  • Multidisciplinary pain science

Background:

  • Pain perception is a complex interplay of physiological, psychological, and social factors.
  • Effective pain management requires understanding these intricate interactions.
  • Developing predictive models is crucial for advancing pain research and treatment.

Purpose of the Study:

  • To develop a computational model simulating individual pain experiences.
  • To utilize Fuzzy Cognitive Maps (FCMs) for modeling pain perception.
  • To provide a framework for individualized pain management and drug development.

Main Methods:

  • An FCM model was constructed using expert-sourced data from 20 specialists across five disciplines.
  • Data collection involved questionnaires, fuzzy matrices for influence strength, and interviews for validation.
  • Expert-defined causal relationships were analyzed using fuzzy logic to build the model's weight matrix.

Main Results:

  • The FCM model integrates key concepts: neural basis, psychological, social factors, individual differences, tissue damage, and pain perception.
  • Strong reinforcing influences exist between psychological and neural factors; social factors showed inhibitory effects.
  • Centrality analysis identified individual differences as a key mediating factor, with the model demonstrating internal stability.

Conclusions:

  • The FCM model effectively represents the complex interactions influencing pain perception.
  • Expert consensus and simulations validated the model's utility.
  • Future research will focus on empirical validation using psychological instruments for real-world comparison.