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Wearable EEG aims to provide small EEG devices which are present only on the head and which can record EEG for days, weeks, or months at a time, as ear-EEG. Such prolonged and easy-to-use monitoring could make a step change in the diagnosis of chronic conditions such as epilepsy, and greatly improve the end-user acceptance of BCI systems. [ 123 ]
A spike-and-wave discharge is a regular, symmetrical, generalized EEG pattern seen particularly during absence epilepsy, also known as ‘petit mal’ epilepsy. [1] The basic mechanisms underlying these patterns are complex and involve part of the cerebral cortex , the thalamocortical network , and intrinsic neuronal mechanisms.
Forced Normalization (FN) is a psychiatric phenomenon in which a long term episodic epilepsy or migraine disorder is treated, and, although the electroencephalogram (EEG) appears to have stabilized, acute behavioral, mood, and psychological disturbances begin to manifest.
In individuals with idiopathic generalized epilepsy, K-complex induced synchronization can trigger spike-and-wave discharges. This tends to happen most between the shift between waking and NREM, and between NREM and REM sleep. [11] In autosomal dominant nocturnal frontal lobe epilepsy, K-complexes are almost invariably present at the start of ...
If several million neurons discharge at once, it shows up on a scalp EEG as a focal interictal epileptiform spike. Paroxysmal depolarizing shifts can lead to an epileptic seizure if there is an underlying predisposition, and recording the spike can be an important aid in distinguishing seizure types. [citation needed]
Epilepsy can often be confirmed with an EEG, but a normal reading does not rule out the condition. [4] Epilepsy that occurs as a result of other issues may be preventable. [1] Seizures are controllable with medication in about 69% of cases; [7] inexpensive anti-seizure medications are often available. [1]