Abstract
Parkinson’s is a disease of the central nervous system characterized by neuronal necrosis. Patients at the time of diagnosis have already lost up to 70% of the neurons. It is essential to define early detection techniques to promptly intervene with an appropriate therapy. Handwriting analysis has been proven as a reliable method for Parkinson’s disease diagnose and monitoring. This paper presents an analysis of a Parkinson’s disease handwriting dataset in which neural networks are used as a tool for analyzing the problem space. The goal is to check the validity of the selected features. For estimating the data intrinsic dimensionality, a preliminary analysis based on PCA is performed. Then, a comparative analysis about the classification performances of a multilayer perceptron (MLP) has been conducted in order to determine the discriminative capabilities of the input features. Finally, fifteen temporal features, capable of a more meaningful discrimination, have been extracted and the classification performances of the MLP trained on these new datasets have been compared with the previous ones for selecting the best features.
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Acknowledgments
A special thanks to Prof. Marcos Faundez-Zanuy of the Escola Universitària Politècnica de Mataró and Prof. Anna Esposito of Università degli Studi della Campania for providing the original dataset.
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Randazzo, V., Cirrincione, G., Paviglianiti, A., Pasero, E., Morabito, F.C. (2021). Neural Feature Extraction for the Analysis of Parkinsonian Patient Handwriting. In: Esposito, A., Faundez-Zanuy, M., Morabito, F., Pasero, E. (eds) Progresses in Artificial Intelligence and Neural Systems. Smart Innovation, Systems and Technologies, vol 184. Springer, Singapore. https://doi.org/10.1007/978-981-15-5093-5_23
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