Epilepsy | Cannabis Wiki

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What is Epilepsy

Epilepsy is a syndrome of recurring episodes of excessive irregular electrical activity of the central nervous system called seizures. Epilepsy is a relatively common brain disorder that has a complex collection of symptoms. People with epilepsy have a continuing tendency to have seizures in which there is a sudden electrical discharge from some brain cells. The seizures cause disturbances in mental function, consciousness, sensory perception and body movements. A person has to have had more than one seizure to be classified as having epilepsy.

Classifying Seizures

Classification of epilepsy depends of what form the seizure takes, whether an electroencephalogram (EEG) reveals any changes in the brain, where in the brain the seizures originate, if there is any trigger or cause and the patient’s age.

Types of Seizures

Epileptic seizures can be divided into generalized seizures and partial seizures.

Generalized Seizures (primary epilepsy)

These affect the whole brain, although there is no detectable abnormality. They include:

Tonic-Clonic Seizures (formerly called grand mal)

People suffering from these seizures lose consciousness completely. They also become stiff and then jerk rhythmically. They may also lose bowel or bladder control.

Absence Seizures (formerly called petit mal)

Abrupt lapses of consciousness that may only last a few seconds and might go unnoticed. They occur mainly in children, who may appear to be daydreaming.

Atonic Seizures

Atonic seizures usually occur in children, who fall suddenly to the ground.

Status Epilepticus

Status epilepticus are seizure that occur successively with no intervals of consciousness, and can be fatal.

Partial Seizures (secondary epilepsy)

These affect only one part of the brain and are due to a structural abnormality. They sometimes progress to generalized seizures. They may be:

Simple Seizures

People with simple seizures experience unusual sensations with no loss of consciousness.

Complex Seizures

People with complex seizures experience unusual sensation with loss of consciousness.

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