- 4.1 Introduction 63
- 4.1.1 Classification of Epileptic Seizures 64
- 4.2 Importance of Studying Epilepsy 65
- 4.3 Problem Statement 68
- 4.4 Details of Public EEG Databases 69
- 4.4.1 University of Bonn Dataset 69
- 4.4.2 CHB-MIT Dataset 70
- 4.4.3 European Epileptic Dataset 71
- 4.5 Dataset Availability 72
Epilepsy is a chronic brain disorder that involves recurrent seizure activity. Clinically, the epileptic seizure activity can be defined as “intermittent paroxysmal, stereotyped disturbance of consciousness, behavior, emotion, motor function, perception, or sensation, which may occur singly or in combination and is thought to be the result of abnormal cortical neuronal discharges"1 However, seizures originating from certain brain regions and the affected range may differentiate the type of seizure activity. The origination and development of epilepsy may cause abnormalities in synaptic transmission and neuronal excitability.1
According to the World Health Organization (WHO), it is reported that epileptic disorder is among the most primary diseases of the brain. The statistics show that there are more than 50 million in the world people suffering from epileptic disorder and most of the affected people are living in the developing countries (around 80%), where the health facilities are not satisfactory. The treatment can be in the form of medicines or the removal of brain epileptogenic tissues in severe cases; however, the surgery may result in disturbance of the routine functions of the human body due to removal of brain tissues.2,3 A general scenario of visualization of epilepsy attack is shown in Fig. 4.1.
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Designing EEG Experiments for Studying the Brain.
Figure 4.1 A general scenario of epileptic seizure attack.4
Figure 4.2 Epileptic seizure categories.