Aura

aura /au·ra/ (aw´rah) pl. auras or au´rae   [L.] a subjective sensation or motor phenomenon that precedes and marks the onset of a neurological condition, particularly an epileptic seizure (epileptic a.) or migraine (migraine a.) .

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epileptic aura  a type of simple partial seizure, experienced as a subjective sensation or motor phenomenon, that sometimes signals an approaching generalized or complex partial seizure.

vertiginous aura  a sensory seizure affecting the vestibular sense, causing a feeling of vertigo.

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au·ra (ôr)

n. pl. au·ras or au·rae (ôr)

A sensation, as of a cold breeze or a bright light, that precedes the onset of certain disorders, such as an epileptic seizure or an attack of migraine.

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Aura

A subjective sensation or motor phenomenon that precedes and indicates the onset of a neurological episode, such as a migraine or an epileptic seizure.

Mentioned in: Antimigraine Drugs, Hallucinations, Migraine Headache

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aura,

n the brief period of heightened sensory activity that immediately precedes the onset of a seizure. It may be characterized by numbness, nausea, or unusual sensitivity to light, odor, or sound.

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aura

a peculiar sensation preceding the appearance of more definite symptoms. It is a well-known phenomenon in humans and, on good clinical grounds, assumed to occur in animals, appearing as behavioral abnormalities.