EEG discrimination with artificial neural networks

Sérgio Daniel Rodrigues, João Paulo Teixeira, Pedro Miguel Rodrigues

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

Neurodegenerative disorders associated with aging as Alzheimer’s disease (AD) have been increasing significantly in the last decades. AD affects the cerebral cortex and causes specific changes in brain electrical activity. Therefore, the analysis of signals from the electroencephalogram (EEG) may reveal structural and functional deficiencies typically associated with AD. This study aimed to develop an Artificial Neural Network (ANN) to classify EEG signals between cognitively normal control subjects and patients with probable AD . The results showed that the EEG can be a very useful tool to obtain an accurate diagnosis of AD. The best results were performed using the Power Spectral Density (PSD) determined by Short Time Fourier Transform (STFT) with a ANN developed using Levenberg - Marquardt training algorithm, Logarithmic Sigmoid activation function and 9 nodes in the hidden layer (correlation coefficient training: 0.99964, test: 0.95758 and validation: 0.9653 and with a total of: 0 .99245).
Original languageEnglish
Title of host publicationProceedings of the International Conference on Bio-inspired Systems and Signal Processing
Subtitle of host publicationBIOSIGNALS
Pages236-241
Number of pages6
Volume1
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event International Conference on Bio-inspired Systems and Signal Processing - Barcelona, Spain
Duration: 11 Feb 201314 Feb 2013

Conference

Conference International Conference on Bio-inspired Systems and Signal Processing
Country/TerritorySpain
CityBarcelona
Period11/02/1314/02/13

Keywords

  • Electroencephalogram
  • Alzheimer’s disease
  • Artificial neural network

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