Neurology » Evaluation of common symptoms

Seizures

Seizures (or convulsions) are due to temporary abnormal electrical activity of a group of brain cells. They can manifest as an alteration in mental state, tonic or clonic movements, and various other symptoms. The syndrome of recurrent, unprovoked seizures is termed epilepsy, but some seizures may occur in people who do not have epilepsy. A seizure is often associated with a sudden and involuntary contraction of a group of muscles. However, a seizure can also be subtle eg a brief loss of memory, sparkling of flashes, sensing an unpleasant odor, a strange epigastric sensation or a sensation of fear. Seizures are typically classified as motor, sensory, autonomic or cognitive.

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