There are two main types of seizure (generalized and focal).
Focal seizures start in one specific part of your brain. They can cause physical and emotional affects and make you see/hear/feel things that aren’t there. Sometimes the symptoms of focal seizures can be mistaken for another mental illness or nerve disorder.
Generalized seizures happen when both sides of your brain misfire. These seizures can cause muscle spasms, blackouts, and falls.
Some people have seizures that start as one kind and then become another. These are unknown-onset seizures.
There are six types of generalized seizures:
Tonic-clonic (grand mal) seizures are the most noticeable. When you’re having a tonic-clonic seizure, your body stiffens, jerks and shakes, and you may lose consciousness.
Clonic seizures cause your muscles to spasm. Your face, neck, and arms jerk rhythmically. These seizures can last several minutes.
Tonic seizures make the muscles in your arms, legs, and torso tense up. These seizures are often very short and usually happen while you’re sleeping. If you’re standing at the time of the tonic seizure, you may fall.
Atonic seizures cause your muscles to go limp and your head may lean forward. If you’re holding something at the time of the seizure you may drop it, and if you’re standing you may fall.
Myoclonic seizures cause your muscles to jerk as if you’ve been shocked. These seizures may start in the same area as atonic seizures.
Absence (petit mal) seizures are similar to “zoning out”, with the difference being that absence seizures cannot be broken (you can’t snap a person in an absence seizure back to reality like you can with someone zoning out). You may stare blankly into space and your eyes may roll back into your head. These seizures only last a few seconds and are most common in children under 14.
Focal seizures are broken into three groups:
Simple focal seizures change how your senses read the world around you. They can make you smell or taste something strange and they may make your fingers, arms, or legs twitch. You may see flashes of light or get dizzy. You probably won’t lose consciousness, but you might feel sweaty or nauseated.
Complex focal seizures usually happen in the part of your brain that controls emotion and memory. You may lose consciousness but still look like you’re awake or you may do things like gag, smack your lips, cry, or laugh. These seizures usually last several minutes.
Secondary generalized seizures start in one part of your brain and then spread to the other side. They can cause some of the same physical symptoms as a generalized seizure, like convulsions and muscle slackness.
[ All information comes from here ]
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