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AI-Driven Emotion Detection Could Revolutionize Dementia Diagnosis and Care

Devdiscourse

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The AI pipeline extracted valence (positive or negative emotion) and arousal (emotional intensity) features from participants’ facial expressions using two convolutional neural networks trained on the large-scale AffectNet dataset and fine-tuned for the task. These emotion-derived features were then analyzed using three machine learning models, K-Nearest Neighbors, Logistic Regression, and Support Vector Machine, to classify participants by cognitive status. A nested cross-validation framework ensured that performance metrics were unbiased despite the relatively small dataset.

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