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Towards disease-specific speech markers for differential diagnosis in Parkinsonism

Abstract: 

Parkinsonism refers to Parkinson’s Disease (PD) and Atypical Parkinsonian Syndromes (APS), such as Progressive
Supranuclear Palsy (PSP) and Multiple System Atrophy (MSA). Discrimination between PD and APS and within
APS groups in early disease stages is a very challenging task. Interestingly, speech disorder is frequently an early and
prominent clinical feature of both PD and APS. This renders speech/voice analysis a promising tool for the development of
an objective marker to assist neurologists in their diagnosis. This paper is a continuation of a recent work on speech-based
differential diagnosis within APS. We address the difficult problem of defining disease-specific speech features which is
crucial in the perspective of early differential diagnosis. We investigate this problem by considering the constraint that
only a small amount of training data can be available in this setting. To do so, we perform univariate statistical analysis
followed by a supervised learning that forces the designed new features to be 1-dimensional. We carry out experiments
using speech recordings of MSA and PSP patients. We show that linear classification models allow the definition of new
scalar variables which can be considered as speech features which are specific to each disease, MSA and PSP.

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Submitted On:
11 May 2019 - 9:42am
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[1] , "Towards disease-specific speech markers for differential diagnosis in Parkinsonism", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4442. Accessed: Aug. 10, 2020.
@article{4442-19,
url = {http://sigport.org/4442},
author = { },
publisher = {IEEE SigPort},
title = {Towards disease-specific speech markers for differential diagnosis in Parkinsonism},
year = {2019} }
TY - EJOUR
T1 - Towards disease-specific speech markers for differential diagnosis in Parkinsonism
AU -
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4442
ER -
. (2019). Towards disease-specific speech markers for differential diagnosis in Parkinsonism. IEEE SigPort. http://sigport.org/4442
, 2019. Towards disease-specific speech markers for differential diagnosis in Parkinsonism. Available at: http://sigport.org/4442.
. (2019). "Towards disease-specific speech markers for differential diagnosis in Parkinsonism." Web.
1. . Towards disease-specific speech markers for differential diagnosis in Parkinsonism [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4442