Title
Dementia Classification using Acoustic Descriptors Derived from Subsampled Signals
Abstract
Dementia is a chronic syndrome characterized by deteriorating cognitive functions, thereby impacting the person's daily life. It is often confused with decline in normal behavior due to natural aging and hence is hard to diagnose. Although, prior research has shown that dementia affects the subject's speech, but it is not studied which frequency bands are being affected, and up to what extent, that in turn might influence identifying the different stages of dementia automatically. This work investigates the acoustic cues in different subsampled speech signals, to automatically differentiate Healthy Controls (HC) from stages of dementia such as Mild Cognitive Impairment (MCI) or Alzheimer's Disease (AD). We use the Pitt corpus of DementiaBank database, to identify a set of features best suited for distinguishing between HC, MCI and AD speech, and achieve an F-score of 0.857 which is an absolute improvement of 2.8% over the state of the art.
Year
DOI
Venue
2020
10.23919/Eusipco47968.2020.9287830
2020 28th European Signal Processing Conference (EUSIPCO)
Keywords
DocType
ISSN
Dementia,classification,feature reduction,Alzheimer’s disease,mild cognitive impairment
Conference
2219-5491
ISBN
Citations 
PageRank 
978-1-7281-5001-7
0
0.34
References 
Authors
3
3
Name
Order
Citations
PageRank
Ayush Triapthi100.34
Rupayan Chakraborty2158.21
Sunil Kumar Kopparapu34225.18