Focal seizures
Focal Seizures
Focal seizures, also known as partial seizures, are a type of seizure that originates in just one part of the brain. They are the most common type of seizure experienced by people with epilepsy, but can also occur in people without a diagnosis of epilepsy.
Pronunciation
Focal: /ˈfoʊ.kəl/ Seizures: /ˈsiː.ʒərz/
Etymology
The term "focal" comes from the Latin word "focus", meaning "fireplace" or "hearth", and in this context refers to a specific location. "Seizure" comes from the Old French "saisir", meaning "to take possession of", reflecting the involuntary nature of the condition.
Symptoms
Focal seizures are characterized by abnormal movements or changes in sensation, perception, or behavior that are confined to one side of the body or one specific area. These symptoms can vary widely depending on the part of the brain where the seizure originates.
Types of Focal Seizures
There are two main types of focal seizures:
- Focal Aware Seizures (previously known as simple partial seizures): The person remains conscious and aware during the seizure.
- Focal Impaired Awareness Seizures (previously known as complex partial seizures): The person's consciousness is affected and they may appear dazed, confused, or unresponsive.
Related Terms
See Also
External links
- Medical encyclopedia article on Focal seizures
- Wikipedia's article - Focal seizures
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