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1/3 Professor Mark Richardson Tonic-clonic seizures: the person stiffens, then jerks, loses consciousness, convulses and may fall. They may also lose bladder control. Tonic and atonic seizures, or drop attacks: the person briefly loses consciousness, may stiffen and fall heavily or lose muscle tone and crumple to the ground. Myoclonic seizures: rhythmic muscle jerks that can affect part of/the whole body and can be strong enough to throw the person to the ground. 2. Focal seizures During focal seizures only part of the brain is affected and consciousness may be altered but not lost. Seizures in this category include: Auras (or warnings as they are sometimes called): some people experience a particular smell/sound/ feeling before a seizure starts. This is known as an aura and it is itself a focal seizure. Focal seizures with awareness fully retained: the person may experience unusual sensations and/or movement in one part of the body, e.g. tingling or twitching. This is also sometimes called a
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  • Fall '15
  • Neurology, Seizure, focal seizures, focal seizure, Professor Mark Richardson

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