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BRAIN: Is There a Relationship between Consciousness and Epilepsy?

A serious health condition that affects 1% of the global population is epilepsy. This is a neurological disorder usually detected by EEG (electroencephalography) signals, and it has as common symptom spontaneous recurrent seizures characterized by intermittent paroxysmal and highly organized rhythmic neuronal discharges in the cerebral cortex.

 Multi-layer artificial neural networks model
Multi-layer artificial neural networks model

Epileptic seizures are caused by a large collection of neurons synchronous and abnormally discharged may occur for reasons such as trauma, oxygen insufficiency, tumors, infections and metabolic disorders. However, it is not possible to find any cause in half of the epileptic patients. Despite the fact that epilepsy is referred to as “seizure disease”, it is not correct to call seizures “epilepsy”. Seizures are symptoms, but epilepsy is a disease characterized by a recurrent seizure. Nonlinearity and a sensitive dependence on initial conditions are the requirements of the chaos. As chaos requires dependence on the initial conditions and it is unpredictable in the long run. (more…)