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A Brief History of Epilepsy

Forms of Epilepsy

Treatment of Epilepsy

References



Helpful Videos from 
Epilepsy Ontario

1. Basics of Epilepsy

2. Electron Transmission

3. Seizures in the Brain



Links

Epilepsy Ontario

The EpiCentre


 


 

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Forms of Epilepsy
     Epilepsy can be described as intense spontaneous local activity of nerve cells within the central nervous system (Beaumanoir, 1998; Menini & Silva-Barrat, 1998; Penfield, 1955).  This is necessarily a very broad definition because of the many areas within the central nervous system that epilepsy can strike (Dreifuss, 1998; Remillard et al., 1998; Glanz, 1997; Barinaga, 1996).  Epilepsy can be broken into two main types, symptomatic epilepsy, and idiopathic epilepsy.  Symptomatic epilepsy involves those cases where the cause of the seizures can be determined.  Idiopathic epilepsy describes all other epileptic cases whose cause cannot be identified (Penfield, 1954). 
     Symptomatic epilepsies can also be broken down into two main categories: genetic epilepsy, and aquired epilepsy.  The general known causes for symptomatic epilepsy are: birth defects, toxic substances affecting the brain, lesions caused by accident or hemorrhaging, and finally, neurocirculatory dysfunction.  In clinical  terms, seizures are generally catagorized according to the table below.

Table 1. Seizure Classification (adapted from The EpiCentre, 1993).

Type of Seizure (broad) Type of Seizure (specific) Typical Symptoms
Partial Seizures Simple Partial Seizures No loss of consciousness
Complex Partial Seizures Some alteration of awareness
Generalized Seizures Absence Seizures Loss of consciousness for short times
Tonic-Clonic Seizures Limbs become stiff and rigid followed by violent convulsions

 
 

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For Comments and Questions please contact ankazama@davidson.edu
Updated April, 2000

     This web page is an assignment and is not a commercial site.  The information and reference materials contained herein is intended solely for the information of the reader. It should not be used for treatment purposes, but rather for discussion with the patient's own physician.