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Multimodal AI Approaches for Pain Assessment: Wearables, Speech, and Facial Biometrics

Multimodal AI Approaches for Pain Assessment: Wearables, Speech, and Facial Biometrics
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Author(s): R Velmurugan (Karpagam Academy of Higher Education, Coimbatore, India), J Sudarvel (Karpagam Academy of Higher Education, Coimbatore, India)and Ravi Thirumalaisamy (Modern College of Business and Science, Oman)
Copyright: 2026
Pages: 24
Source title: Unveiling Technological Advancements and Interdisciplinary Solutions for Pain Care
Source Author(s)/Editor(s): Yiannis Koumpouros (Digital Innovation in Public Health Research Lab, University of West Attica, Greece)
DOI: 10.4018/979-8-3693-9501-1.ch003

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Abstract

Artificial Intelligence (AI) and Machine Learning (ML) are transforming pain assessment and prediction by offering objective, data-driven alternatives to traditional self-reported methods. This chapter explores multimodal AI approaches that integrate facial expression recognition, speech pattern analysis, and wearable biosensors to assess and monitor pain in real-time. Natural Language Processing (NLP) is also employed to extract pain descriptors from clinical narratives and unstructured health records. In addition, ML models enable the prediction of pain onset and severity, facilitating personalized treatment planning and proactive intervention. While these technologies offer substantial benefits, challenges such as data bias, privacy concerns, and integration into clinical workflows remain. Future directions include explainable AI, brain imaging integration, and the development of virtual health assistants to enhance the accuracy and equity of AI-driven pain care.

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