Ictal EEG

Ictal EEG

Used to measure brain activity during a seizure. May be useful in learning more about patients who aren't responding to conventional treatments.
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An unavailability of video EEG, ictal EEG, and seizure semiology confirmation is lacking in this study.
The paper presented a comparison of various entropy methods used for the classification of normal, interictal, and ictal EEG signals.
Caption: FIGURE 2: Ictal EEG pattern of the patient during three-seizure attacks.
The emphasis in the literature has been on the pediatric population with typical ictal EEG showing 2.5-4 Hz generalized spike-and-wave discharges in typical absence (occurring in the setting of IGE) and slower frequencies in atypical generalized absence seizures (occurring in patients with cryptogenic or symptomatic generalized epilepsy) [3].
Cai, "Feature extraction and recognition of ictal EEG using EMD and SVM," Computers in Biology and Medicine, vol.
(19) reported a case of intense increase of theta and alpha power during the possession trance state (without ictal EEG pattern), persisting in the recovery (post-trance) phase, which was not the case in the control participants.
No loss of consciousness or drop occurred during the attacks, and ictal EEG showed no epileptiform changes.
Differences between Generalised Tonic-Clonic and Focal-onset Seizures evolving to Generalised Tonic-Clonic Seizures Differences GTCS ->GTCS Aura No A->B->C, A->C/B->C Focal brain lesion No Active or scar lesion Inter-ictal EEG Brief Generalised Focal spike and wave spike and wave Ictal EEG Generalised spike Focal evolving spiky rhythm and wave A = Aura; B = Blank; C = GTCS.
The other dataset is the public ictal EEG from the BioSource database established by Sabine Van Huffel (http:// www.esat.kuleuven.be/stadius/members/biomed/biosource.
Greater ictal EEG amplitude, intensity, and symmetry obtained with bilateral ECT are not common with longer seizures, but they are related to antidepressant outcome.
In the surgical treatment group there were 12 patients without an ictal EEG. Of these seven patients had long-term EEG monitoring for 12 to 42h and at least two records of complete sleep cycles at night.
Association of combined MRI, interictal EEG, and ictal EEG results with outcome and pathology after temporal lobectomy.