Category Archive

Types of Seizures

Secondarily Generalized Seizures

August 8, 2011

Secondarily generalized seizures are usually partial seizures evolving into generalized seizures, most often with tonic-clonic convulsions. The partial seizures, which were once limited to one hemisphere of the brain, progress to encompass the entire brain bilaterally. This causes a generalized seizure. The clinical nature of a secondarily generalized seizure usually does not differ from that…

Rolandic Epilepsy

August 8, 2011

(Sylvan Seizures) Benign rolandic epilepsy is so named because the focus of repetitive spike activity in the brain is predominantly within the mid-temporal or parietal areas, near the motor or rolandic strip. Seizures usually occur infrequently as generalized nocturnal seizures characterized by a variety of minor tonic-clonic movements, often affecting only one side of the…

Reflex Seizures

August 8, 2011

A reflex seizure occurs as a direct response to a particular stimulus or event. These seizures are experienced by approximately 6 per cent of people with epilepsy. They can be triggered by visual stimulation, a sudden “startle,” or a variety of other factors alone or in combination. If a patient only has seizures as a…

Psychogenic Seizures

August 8, 2011

(Pseudo-seizures) Psychogenic seizures are not classified as a form of epilepsy. They affect between five and 20 per cent of people thought to have epilepsy. Psychogenic seizures can occur at any age, but are more common in people under the age of 55. They occur three times more frequently in women than men. They may…