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Introduction <p>The harnessing of advanced AI technologies allows us to analyze faces and minute details of facial expressions associated with neuro and psycho pathological conditions and create algorithms to automate diagnoses. The purpose of this review is to analyze what AI technologies have been developed and what is their use in the diagnosis of mental and neuro disorders through the automated recognition of facial expressions and minute details of their changes.</p> Methods <p>A systematic search of the main scientific databases – PubMed, Scopus, Web of Science, ScienceDirect, IEEE Xplore and Google Scholar - was carried out on January 22, 2025. Only publications in English in the interval between 2021 and 2025 were included. The inclusion criteria were the use of AI methods on still or moving images of faces in the context of diagnosing mental and/or neuro disorders. The quality of the studies and the risk of bias were evaluated by appropriate appraisal tools developed for specific designs.</p> Results <p>In this study, after reviewing 1710 initial articles, 36 relevant and eligible articles were selected for analysis. These articles mainly focused on diagnosing mental and neurological disorders such as autism, depression, and anxiety using artificial intelligence and facial feature analysis. The diversity of populations and sample sizes was considerable, and the input data included images, video, EEG, and fMRI. The reported diagnostic accuracy of AI models ranged from 80.5% to 99.9% (mean ≈ 93%), with F1-scores between 0.87 and 0.99 and AUC values mostly above 0.90. The most frequently used algorithms were convolutional neural networks (CNNs), transfer learning, and hybrid deep learning approaches.</p> Conclusion <p>The results of the study indicate a significant growth in the use of artificial intelligence in the diagnosis of mental and neurological disorders, especially in autism, depression and anxiety. The use of facial and multimodal data combined with advanced algorithms has increased the accuracy of diagnosis.</p> Graphical Abstract <p></p>

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AI-based recognition of facial and micro-expressions for the diagnosis of mental and neurological disorders: a systematic review

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月25日

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  • Sara Ghafarfaraji

摘要

Introduction

The harnessing of advanced AI technologies allows us to analyze faces and minute details of facial expressions associated with neuro and psycho pathological conditions and create algorithms to automate diagnoses. The purpose of this review is to analyze what AI technologies have been developed and what is their use in the diagnosis of mental and neuro disorders through the automated recognition of facial expressions and minute details of their changes.

Methods

A systematic search of the main scientific databases – PubMed, Scopus, Web of Science, ScienceDirect, IEEE Xplore and Google Scholar - was carried out on January 22, 2025. Only publications in English in the interval between 2021 and 2025 were included. The inclusion criteria were the use of AI methods on still or moving images of faces in the context of diagnosing mental and/or neuro disorders. The quality of the studies and the risk of bias were evaluated by appropriate appraisal tools developed for specific designs.

Results

In this study, after reviewing 1710 initial articles, 36 relevant and eligible articles were selected for analysis. These articles mainly focused on diagnosing mental and neurological disorders such as autism, depression, and anxiety using artificial intelligence and facial feature analysis. The diversity of populations and sample sizes was considerable, and the input data included images, video, EEG, and fMRI. The reported diagnostic accuracy of AI models ranged from 80.5% to 99.9% (mean ≈ 93%), with F1-scores between 0.87 and 0.99 and AUC values mostly above 0.90. The most frequently used algorithms were convolutional neural networks (CNNs), transfer learning, and hybrid deep learning approaches.

Conclusion

The results of the study indicate a significant growth in the use of artificial intelligence in the diagnosis of mental and neurological disorders, especially in autism, depression and anxiety. The use of facial and multimodal data combined with advanced algorithms has increased the accuracy of diagnosis.

Graphical Abstract