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Machine learning-based clustering and classification of mouse behaviors via respiratory patterns
Breathing is dynamically modulated by metabolic needs as well as by emotional states. Even though rodents are invaluable models for investigating the neural control of respiration, current literature lacks systematic characterization of breathing dynamics across a broad spectrum of rodent behaviors....
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Published in: | iScience 2022-12, Vol.25 (12), p.105625-105625, Article 105625 |
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Main Authors: | , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Breathing is dynamically modulated by metabolic needs as well as by emotional states. Even though rodents are invaluable models for investigating the neural control of respiration, current literature lacks systematic characterization of breathing dynamics across a broad spectrum of rodent behaviors. Here we uncover a wide diversity in breathing patterns across spontaneous, attractive odor-, stress-, and fear-induced behaviors in mice. Direct recordings of intranasal pressure afford more detailed respiratory information than more traditional whole-body plethysmography. K-means clustering groups 11 well-defined behavioral states into four clusters with distinct key respiratory features. Furthermore, we implement RUSBoost (random undersampling boost) classification, a supervised machine learning model, and find that breathing patterns can separate these behaviors with an accuracy of 80%. Taken together, our findings highlight the tight relationship between breathing and behavior and the potential use of breathing patterns to aid in distinguishing similar behaviors and inform about their internal states.
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•Respiration varies widely across mouse behaviors using multiple recording methods•Intranasal pressure recordings provide understudied respiratory features•Clustering reveals distinct respiratory features across behaviors•A classifier separates mouse immobility from differing contexts via respiration
Neuroscience; Behavioral neuroscience; Artificial intelligence. |
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ISSN: | 2589-0042 2589-0042 |
DOI: | 10.1016/j.isci.2022.105625 |