DEVELOPMENT OF THE SWALLOWING ACTIVITY CLASSIFICATION MODEL FOR OLD ADULTS BASED ON ACOUSTIC ANALYSIS
2024

Swallowing Activity Classification Model for Older Adults

Sample size: 61 publication Evidence: moderate

Author Information

Author(s): Li Dan, Zhang Yaqing, Wu Junhui, Luo Wei, Liu Tao, Lyu Benshuai, Shang Shaomei

Primary Institution: Peking University

Hypothesis

This study aims to develop a swallowing activity classifier based on acoustic recording and analysis using machine learning algorithms.

Conclusion

The study found that distinct acoustic patterns can be effectively classified and identified using machine learning methods, which may help in continuous monitoring of swallowing activities in older adults.

Supporting Evidence

  • Dysphagia poses a significant health threat for old people worldwide.
  • Acoustic diagnosis has shown promising effectiveness in dysphagia screening and aspiration detecting.
  • The MLP, CNN, and CRNN models achieved accuracy values of 74%, 68%, and 54%, respectively.

Takeaway

Researchers created a tool that listens to how older people swallow to help doctors know if they're having trouble swallowing.

Methodology

The study recorded and annotated swallowing audio data from 61 old individuals and analyzed signal features using machine learning models.

Limitations

Current assessment tools for swallowing function have pronounced limitations.

Participant Demographics

Old individuals.

Digital Object Identifier (DOI)

10.1093/geroni/igae098.2991

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