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Glossary

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Absence seizure
A seizure in which a person may stare and blink repeatedly, and facial muscles may twitch; in children, these seizures often are mistaken for daydreaming
Adjunctive
When used to describe medications, this means a drug that is taken along with other medications
AED
Short for antiepileptic drug; AEDs also are called antiseizure medications, seizure medications, or epilepsy medications
Blood level
The concentration or amount of antiepileptic or other drug present in the bloodstream, usually expressed as micrograms or nanograms per milliliter
Catamenial epilepsy
Epilepsy in which a woman's seizures tend to occur primarily at the time of menstruation
Clinical trials
Multi-phased, organized ways of testing new drugs in human populations, and subsequent analysis of the results
Complex partial seizure
A type of seizure that causes impaired consciousness and temporary memory loss; may also produce a blank stare and repeated mechanical movements such as facial grimacing
Compliance
Taking your medication as instructed by your doctor
Computerized tomography (CT)
A scanning method that uses X-rays and computers to create images of the internal structure of the brain, produced at different levels, in a series of "slices"
Epilepsy
A disorder in which nerve cells in the brain do not work the way they should and, as a result, can cause seizures
Epileptologist
A neurologist with a special interest in epilepsy
Focal seizure
Older term for partial seizure
Generalized seizure
A seizure that affects widespread areas of both sides of the brain, usually with loss of consciousness; two common types are tonic-clonic (also called "grand mal") and absence seizures (also called "petit mal")
Generic
In this context, the official name of a drug, as opposed to a brand name developed by the manufacturer; the generic name of LAMICTAL is lamotrigine
Intractable
Not responding to treatment
Lennox-Gastaut syndrome
A type of epilepsy that occurs in children in which different types of seizures occur in the same child; children with this syndrome usually have mental retardation
Magnetic resonance imaging (MRI)
An imaging method that uses magnets instead of X-rays to produce images of the inner body, including the internal structure of the brain
Maintenance dose
The amount of a medication needed to control a particular disease or disorder over the long term
Mechanism of action
How a drug works in the body
Minor motor seizure
An older term for a partial seizure affecting movement
Monotherapy
Treatment with a single drug
Neurologist
A doctor who treats diseases or disorders of the nervous system, which includes the brain and spinal cord
Onset
When something began; "age of onset" refers to the age at which a condition began
Partial seizure
A seizure that starts in one part of the brain and can spread to other parts; the two types of partial seizures are simple and complex
Pharmacokinetics
The way the body affects the drugs
Positron emission tomography (PET)
An imaging technique that shows biochemical activity in the brain
Prognosis
The expected course or outlook for an illness or condition
Seizure
A sudden attack due to an abnormal electrical discharge in the brain that can cause a change in consciousness, movement, or sensation
Simple partial seizure
A seizure in which a person remains conscious but may have jerking movements, stomach pain, nausea, or feelings of fear or anger
Single-photon emission computerized tomography (SPECT)
An imaging technique to measure blood flow in the brain
Tonic-clonic seizure
A seizure in which a person usually cries out, stiffens, and may fall to the ground, often with body shaking and tongue-biting; also called "grand mal" or primary generalized tonic-clonic (PGTC) seizure
Vertigo
Dizziness