Other names: sensory perception

Aura is Latin for “breeze” and also in medical terminology, “a precursor to an attack”, like a breeze that announces early arrival of the storm.

Aura is a state often preceding an epileptic seizure or migrenóznímu. These are the sensations that have no basis in reality, but formed directly in the nervous system of the patient.

In the case of epilepsy the aura of the introductory phase of the seizure, in terms of localized epileptic activity of nerve cells that part of the brain that processes sensory input. The most typical is the olfactory aura – before the attack victim feels strong and unpleasant odor, etc. may have an aura of taste, hearing (ringing in the ears), visual (various flashes etc.), Or can feel the sensation of the bowels.

Aura also often precedes migraine headache. Typically, these are visual sensations similar to many flashes or sparks, or else outages visual field.

Aura usually occur about 10 to 20 minutes before the onset of migraine y and can persist for up to 60 minutes. In addition to the visual aura may occur and sensory aura – a tingling or numbness that can slowly migrate throughout the body and leaving a numbness, typically in the face or arms.

Aura may have other forms, such as speech aura, the patient has difficulty with speech.

Auras advantage lies in the fact that the rights of the patient about the threat of attack and the one you can take medication for migraine before the emergence of pain, which then might not even attend. On the other hand aura can sometimes occur separately, they are not always followed by migraine pain.