Startle epilepsy is a type of reflex epilepsy in which seizures are provoked by loud noises or sudden surprises. Most patients with startle epilepsy are only sensitive to one sensory modality (i.e. temperature, taste, sound, pressure). However, it is the unexpected nature of the stimulus rather than the sensory modality that characterizes startle epilepsy. Patients…
(Focal Cortical Seizures) Simple partial seizures result from epileptic activity localized in one part of the brain, usually the cortex or limbic system. Consciousness is not impaired. Someone experiencing a simple partial seizure can talk and answer questions. S/he will remember what happened during the seizure. Simple partial seizures take different forms in different people.…
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…
(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…
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