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Multichannel EEG based inter-ictal seizures detection using Teager energy with backpropagation neural network classifier

  • N. Sriraam
  • Kadeeja Tamanna
  • Leena Narayan
  • Mehraj Khanum
  • S. Raghu
  • A. S. Hegde
  • Anjani Bhushan Kumar
Technical Paper
  • 49 Downloads

Abstract

A long-term multichannel electroencephalogram recording plays a crucial role in recognizing the epileptic seizure activities from the brain lobes. This research study investigates the automated detection of epileptic seizures from multichannel electroencephalogram recordings using Teager energy feature. A supervised back-propagation neural network model was implemented to classify the inter-ictal seizures. The study was conducted on multichannel electroencephalogram data that was obtained from Institute of Neuroscience, Ramaiah Memorial Hospital, Bengaluru, India, after ethical clearance from the from the Institutional Ethics Board. Initially, notch filter was applied to remove the 50 Hz power line noise from raw electroencephalogram followed by independent component analysis to remove eye blinks and muscular activities. A time domain feature called Teager energy was estimated which detects the rapid changes in the given electroencephalogram time series. A 1 s windowing was introduced to ensure stationarity for estimation of Teager energy. The descriptive and box plot analysis ensures the suitability of the Teager energy for the seizure detection. The performance of the multilayer perceptron neural network classifier was evaluated using sensitivity, specificity, and false detection rate. Simulation results showed the highest sensitivity, specificity and false detection rate of 96.66%, 99.15%, and 0.30 per hour respectively. It can be concluded that procedure can be applied for real-time seizure detection.

Keywords

Electroencephalogram Epileptic seizures Epilepsy Independent component analysis Multilayer perceptron neural network 

Notes

Acknowledgements

The authors would like to thank the doctors, Institute of Neuroscience, Ramaiah Memorial Hospital, Bengaluru, India, for granting permission to use the EEG data. We would also like to acknowledge them for their constant support in data annotation and effective discussions on epilepsy.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

The proposed study makes use EEG from Ramaiah Memorial College and Hospitals, Bengaluru, India, after appropriate ethical clearance was taken.

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Copyright information

© Australasian College of Physical Scientists and Engineers in Medicine 2018

Authors and Affiliations

  1. 1.Centre for Medical Electronics and ComputingRamaiah Institute of Technology (Affiliated to VTU Belgaum)BengaluruIndia
  2. 2.Institute of NeuroscienceRamaiah Medical College and HospitalsBengaluruIndia

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