Twenty EEG recordings obtained in children showed temporo-parieto occipital or temporo-occipital spikes or spike-wave complexes suppressed by eye-opening. Patients showed different neurological syndromes: classic migraine, vertebrobasilar migraine, visual phenomena, epilepsy, psychomotor retardation. Thirteen subjects were affected by epileptic seizures, which were preceded by visual phenomena in 12 cases. In 6 cases, a combination of classic migraine, visual phenomena and seizures was found. In one case of vertebrobasilar migraine, seizures occurred 5 years after the first episode of migraine. Follow-up data indicate a non-benign evolution of occipital epilepsy: partial or generalized seizures persisted in 13 treated cases. Moreover, the EEG finding of occipital spike-wave complexes seems to extend to different neurological syndromes.
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Article Synopsis
- Scientists studied how different types of epilepsy in rats show specific electrical patterns called spike-wave complexes (SWCs) during seizures.
- They used special software to analyze the frequency of these SWCs in various models of epilepsy, including brain injuries and genetic conditions.
- The research found that while the spike part of these complexes was similar across different models, the wave part varied a lot, which could help understand seizures better and develop treatments.
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