Partial seizures
Partial seizures
Partial seizures, also known as focal seizures, are a type of seizure that originates in a specific area of the brain. They are characterized by symptoms that depend on the area of the brain where the seizure activity occurs.
Pronunciation
Partial seizures: /ˈpɑːrʃəl ˈsiːʒərz/
Etymology
The term "partial seizure" comes from the Latin word "partialis", meaning "part" or "portion", and the Old French word "seizir", meaning "to seize" or "to take possession of".
Types of Partial Seizures
There are two main types of partial seizures: simple partial seizures and complex partial seizures.
- Simple partial seizures do not cause a loss of consciousness. They may alter emotions or change the way things look, smell, feel, taste, or sound. They may also result in involuntary jerking of a body part, such as an arm or leg, and spontaneous sensory symptoms such as tingling, dizziness, and flashing lights.
- Complex partial seizures involve a change or loss of consciousness or awareness. During a complex partial seizure, a person may stare into space and not respond normally to their environment, perform repetitive movements, such as hand rubbing, chewing, swallowing, or walking in circles.
Related Terms
- Epilepsy: A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.
- Aura: A sensation or feeling that precedes a seizure.
- Postictal state: The altered state of consciousness after an epileptic seizure.
- Status epilepticus: A dangerous condition in which epileptic seizures follow one another without recovery of consciousness between them.
See Also
External links
- Medical encyclopedia article on Partial seizures
- Wikipedia's article - Partial seizures
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