Focal seizure

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Focal Seizure

Focal seizure (pronunciation: /ˈfoʊ.kəl ˈsiː.ʒər/), also known as a partial seizure, is a type of seizure that originates in just one part of the brain. The term "focal" comes from the Latin word "focus", meaning "fireplace" or "place where heat is made", which in this context refers to the specific area of the brain where the seizure activity starts.

Types of Focal Seizures

There are two main types of focal seizures: Focal Aware Seizures and Focal Impaired Awareness Seizures.

  • Focal Aware Seizures: Previously known as simple partial seizures, these seizures are characterized by the person remaining conscious and aware throughout the seizure.
  • Focal Impaired Awareness Seizures: Previously known as complex partial seizures, these seizures involve a loss of consciousness or awareness during the seizure.

Symptoms

Symptoms of focal seizures can vary widely depending on the area of the brain involved. They may include sudden and unexplained feelings of joy, anger, sadness, or nausea. They can also cause the person to see flashes of light, hear things that are not there, or experience changes in how things smell or taste. More physical symptoms can include dizziness, tremor, and muscle contractions.

Causes

Focal seizures can be caused by a variety of conditions that affect the brain, such as stroke, brain tumor, traumatic brain injury, or epilepsy. In many cases, the exact cause of focal seizures is unknown.

Treatment

Treatment for focal seizures typically involves the use of antiepileptic drugs (AEDs). In some cases, surgery may be considered if AEDs are not effective.

See Also

External links

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