<p>Epilepsy is one of the most common neurological conditions; it has been suggested that one in fifty people will have more than one epileptic convulsion in their lifetime, probably requiring treatment with antiepileptic medication (Morrow and Routledge 1989). It can be classified into partial and primary generalised convulsions depending on the type and degree of spread of the abnormal electrical activity in the brain (Emilien and Maloteaux 1998).</p>