vastwallstreet.blogg.se - Aura definition epilepsy

The differential diagnosis is highly heterogeneous and includes vestibular dysfunction, migraine, stroke, autonomic disorders, drug intoxication, and psychiatric disorders. There is no agreement on the classification of certain auras, including cephalic motor and sexual auras.

Somatosensory auras include sensations of numbness or numbness, electrical sensation, or, very occasionally, pain. Olfactory auras are rare however, when they do occur, the most likely etiology is a tumor involving the amygdala and hippocampus.Special sensory auras, including visual, gustatory, and vertiginous, are more frequently described in extratemporal epilepsy.A feeling of fear is the most common affective symptom associated with epileptic discharges of mesial temporal origin. Viscerosensory and experiential auras are often seen in temporal epilepsy. The incidence of auras in partial epilepsy remains imprecise and there are marked discrepancies between authors.

The surface electroencephalogram frequently fails to detect changes during an isolated aura.

This epileptic phenomenon is a consequence of the activation of the functional cortex by an abnormal, unilateral, circumscribed and brief neuronal discharge.

In the case of simple partial seizures, the aura is the seizure in its entirety.

Development The epileptic aura is the part of the seizures that occurs before the loss of consciousness and for which the memory is maintained. Go to another article in the issue Objective To examine those aspects of epileptic auras that can contribute to a better understanding of this epileptic manifestation.