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Detecting discomfort in infants through facial expressions.

07:00 EST 8th November 2019 | BioPortfolio

Summary of "Detecting discomfort in infants through facial expressions."

Detecting discomfort status of infants is particularly clinically relevant. Late treatment on discomfort infants can lead to adverse problems such as abnormal brain development, central nervous system damage and changes in responsiveness of the neuroendocrine and immune systems to stress at maturity. In this study, we exploit deep Convolutional Neural Network (CNN) algorithms to address the problem of discomfort detection for infants by analyzing their facial expressions. A dataset of 55 videos about facial expressions, recorded from 24 infants, is used in our study. Given the limited available data for training, we employ a pre-trained CNN model, which is followed by fine-tuning the networks using a public dataset with labeled facial expressions (the Shoulder-Pain dataset). The CNNs are further refined with our data of infants. Using a twofold cross-validation, we achieve an Area Under the Curve (AUC) value of 0.96, which is substantially higher than the results without any pre-training steps (AUC=0.77). Our method also achieves better results than the existing methods based on handcrafted features. By fusing individual frame results, the AUC is further improved from 0.96 to 0.98. The proposed system has great potential for continuous discomfort and pain monitoring in clinical practice.

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Name: Physiological measurement
ISSN: 1361-6579
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Medical and Biotech [MESH] Definitions

Ability to identify an individual and interpret their feelings and emotions based on their facial expressions.

Severe or complete loss of facial muscle motor function. This condition may result from central or peripheral lesions. Damage to CNS motor pathways from the cerebral cortex to the facial nuclei in the pons leads to facial weakness that generally spares the forehead muscles. FACIAL NERVE DISEASES generally results in generalized hemifacial weakness. NEUROMUSCULAR JUNCTION DISEASES and MUSCULAR DISEASES may also cause facial paralysis or paresis.

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The 7th cranial nerve. The facial nerve has two parts, the larger motor root which may be called the facial nerve proper, and the smaller intermediate or sensory root. Together they provide efferent innervation to the muscles of facial expression and to the lacrimal and salivary glands, and convey afferent information for taste from the anterior two-thirds of the tongue and for touch from the external ear.

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