Journal of Trends in Computer Science and Smart Technology
IRO Journals
Volume 8 — Issue 1 — March 2026

Emotion and Cognition Based Mental Health Analysis from Social Media

https://doi.org/10.36548/jtcsst.2026.1.008
Pages: 155-175
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Angelin Jeba P.
Division of Artificial Intelligence and Machine Learning, Karunya Institute of Technology and Sciences, Coimbatore, India
Jemima Jebaseeli T.
Department of Computer Science and Engineering, Vel Tech Rangarajan Dr. Sagunthala R & D Institute of Science and Technology, Chennai, India
Selvarathi M.
Division of Food Processing Technology, Karunya Institute of Technology and Sciences, Coimbatore, India
Achal Shaji
Division of Artificial Intelligence and Machine Learning, Karunya Institute of Technology and Sciences, Coimbatore, India
Ivine Thomas
Division of Artificial Intelligence and Machine Learning, Karunya Institute of Technology and Sciences, Coimbatore, India
Agilesh Vigram S.
Division of Artificial Intelligence and Machine Learning, Karunya Institute of Technology and Sciences, Coimbatore, India
March 2026
Volume 8 — Issue 1
Journal of Trends in Computer Science and Smart Technology
PDF

How to Cite

P., Angelin Jeba, Jemima Jebaseeli T., Selvarathi M., Achal Shaji, Ivine Thomas, and Agilesh Vigram S. 2026. “Emotion and Cognition Based Mental Health Analysis from Social Media”. Journal of Trends in Computer Science and Smart Technology 8 (1): 155-75. https://doi.org/10.36548/jtcsst.2026.1.008.
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Keywords

— Mental Health Disorders
— Social Media
— Emotion
— Cognitive
— Machine Learning
— Twitter
— Facebook
— Depression
— Anxiety
Published: 20-03-2026

Abstract

Social media websites are popular, and it is now possible to collect a significant amount of behavioral data in real time. This has made it possible to conduct research on mental health. This study proposes a machine learning framework to identify and predict mental health issues, such as emotion and cognition, related to social media with respect to depression, anxiety, and bipolar disorder. In this study, three social media datasets were used, each with more than 1.6 million posts: Sentiment140, Twitter Depression Dataset, and Facebook Sentiment. The data was tokenized and lemmatized, and stopwords were removed. We used BERT, a transformer model, to view the data using emotional traits. This was done using the sentimental polarity score and emotions such as grief, anger, joy, fear, and insignificance. We used Latent Dirichlet Allocation (LDA) and Linguistic Inquiry and Word Count (LIWC) to infer cognitive distortions and psychological indices. We used Recursive Feature Elimination (RFE) for feature selection and a Random Forest classifier to predict mental health across multiple classes. The proposed method is more effective than deep learning and machine learning techniques, achieving an accuracy of 95.0%, precision of 94.0%, recall of 93.7%, F1-score of 94.8%, and AUC-ROC of 98.9%. The sentiment polarity score improved the prediction by 28%, the emotional scores improved the prediction by 35%, the cognitive themes improved the prediction by 22%, and the LIWC features improved the prediction by 15%. The results indicate that the use of cognitive linguistics and emotional representation facilitates the identification of early symptoms of severe depression and bipolar disorder.

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