Computer-Aided Diagnosis of Speech Disorder Signal in Parkinson’s Disease

  • Heba M. Afify Ph.D., Department of Bioelectronics Engineering, MTI University of Engineering, Cairo
  • Basma Ahmed Teaching Assistant, Department of Bioelectronics Engineering, MTI University of Engineering, Cairo,
Keywords: Computer-aided diagnosis, Parkinson’s disease, Speech and voice disorders, Classification.

Abstract

Computer-aided diagnosis (CAD) can be used as a decision support system by physicians in the diagnosis and treatment
of disordered speech especially those who specialize in neurophysiology diseases. Parkinson's disease (PD) is a
progressive disorder of the nervous system that affects movement. It develops gradually, sometimes starting with a barely
noticeable tremor in speech. It has been found that 80% of persons with PD reported speech and voice disorders.
Parkinson's disease symptoms worsen as the condition progresses over time. Therefore, Speech may become soft or
slurred and these deficits in speech intelligibility impact on health status and quality of life. Different researchers are
currently working in the analysis of speech signal of people with PD, including the study of different dimensions in speech
such as phonation, articulation, prosody, and intelligibility. Here, we present the characteristics and features of normal
speech and speech disorders in people with PD and the types of classification for implementation of the efficacy of
treatment interventions. The results show that our classification algorithm using ANN is outperformed KNN and SVM. ANN
is a practical and useful as a predictive tool for PD screening with a high degree of accuracy, approximately 96.1% of a
correct detection rate (sensitivity 94.7%, and specificity 96.6%). Based on the high levels of accuracy obtained by our
proposed algorithm, it can be used for enhancing the detection purpose to discriminate PD patients from healthy people.
Our algorithm may be used by the clinicians as a tool to confirm their diagnosis.

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Published
2016-07-22
How to Cite
Afify, H. M., & Ahmed, B. (2016). Computer-Aided Diagnosis of Speech Disorder Signal in Parkinson’s Disease. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY, 15(9), 7117-7123. https://doi.org/10.24297/ijct.v15i9.730
Section
Articles