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What are the two main types of seizures?

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There are two main types of seizures:

Seizures aren’t always an either-or thing: Some people have seizures that start as one kind, then become another. What's more, it’s not easy to classify some of them. These are called unknown-onset seizures, and they can cause both sensory and physical symptoms.

  • Focal seizures: These start in a particular part of your brain, and their names are based on the part where they happen. They can cause both physical and emotional effects and make you feel, see, or hear things that aren’t there. About 60% of people with epilepsy have this type of seizure, which is sometimes called a partial seizure. Sometimes, the symptoms of a focal seizure can be mistaken for signs of mental illness or another kind of nerve disorder.
  • Generalized seizures: These happen when nerve cells on both sides of your brain misfire. They can make you have muscle spasms, black out, or fall.

From: Types of Seizures and Their Symptoms WebMD Medical Reference

SOURCES:

The Epilepsy Foundation.

Johns Hopkins Medicine.

National Institute of Neurological Disorders and Stroke.

CDC: “Epilepsy: Types of seizures.”

The Mayo Clinic: “Epilepsy: Symptoms and causes.”

University of Chicago Medicine: “Epilepsy: Types of seizures.”

Reviewed by Neil Lava on July 12, 2017

SOURCES:

The Epilepsy Foundation.

Johns Hopkins Medicine.

National Institute of Neurological Disorders and Stroke.

CDC: “Epilepsy: Types of seizures.”

The Mayo Clinic: “Epilepsy: Symptoms and causes.”

University of Chicago Medicine: “Epilepsy: Types of seizures.”

Reviewed by Neil Lava on July 12, 2017

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What are tonic-clonic (or grand mal) seizures?

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