Epilepsy Syndrome Seizure Ontology

Last uploaded: November 10, 2015
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Id http://www.semanticweb.org/rjyy/ontologies/2015/5/ESSO#Aura
http://www.semanticweb.org/rjyy/ontologies/2015/5/ESSO#Aura
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Aura
Type http://www.w3.org/2002/07/owl#Class

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Aura
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Bancaud 1981 Aura. A frequently used term in the description of epileptic seizures is aura. According to the Dictionary of Epilepsy, this term was introduced by Galen to describe the sensation of a breath of air felt by some subjects prior to the onset of a seizure. Others have referred to the aura as the portion of a seizure experienced before loss of consciousness occurs. This loss of consciousness may be the result of secondary generalization of the seizure discharge or of alteration of consciousness imparted by the development of a complex partial seizure. The aura is that portion of the seizure which occurs before consciousness is lost and for which memory is retained afterwards. It may be that, as in simple partial seizures, the aura is the whole seizure. Where consciousness is subsequently lost, the aura is, in fact, the signal symptom of a complex partial seizure. An aura is a retrospective term which is described after the seizure is ended. Luders 1998 Sensorial Sphere Warning symptoms at beginning of seizure Aura Auras are ictal manifestations having sensory, psychosensory, and experiential symptoms. Auras consist exclusively of subjective symptoms and usually occur at the beginning of a seizure (“warning symptoms”). In general, they are brief (seconds) and only rarely may persist longer (minutes). They may occur in isolation from any other ictal symptom and, if so, tend to last slightly longer. In general, the epileptic nature of auralike symptomatology can be documented objectively only if the aura consistently evolves into a dialeptic or motor seizure or if EEG monitoring demonstrates an EEG seizure pattern during the aura. 2001 Blume 2.1 Aura: Noun: A subjective ictal phenomenon that, in a given patient, may precede an observable seizure; if alone, constitutes a sensory seizure. 2.2 Sensory: A perceptual experience not caused by appropriate stimuli in the external world. Modifies "seizure" or "aura."
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