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EEG can detect abnormal electrical discharges such as sharp waves, spikes, or spike-and-wave complexes, as observable in people with epilepsy; thus, it is often used to inform medical diagnosis. EEG can detect the onset and spatio-temporal (location and time) evolution of seizures and the presence of status epilepticus.
This reduction in blood glucose led to double the occurrence of spike-and-wave activity. Similar to the insulin effect, overnight fasting, where blood glucose levels were reduced by 35% also showed this double in occurrence. This model concludes that low glucose levels could be a potential trigger for absence seizures, and could be an ...
Changes that occur during epileptogenesis are poorly understood but are thought to include cell death, axonal sprouting, reorganization of neural networks, alterations in the release of neurotransmitters, and neurogenesis. [5] These changes cause neurons to become hyperexcitable and can lead to spontaneous seizures. [5]
A paper published in 2023 showed that burst suppression and epilepsy may share the same ephaptic coupling mechanism. [6] When inhibitory control is sufficiently low, as in the case of certain general anesthetics such as sevoflurane (due to a decrease in the firing of interneurons [7]), electric fields are able to recruit neighboring cells to fire synchronously, in a burst suppression pattern.
Juvenile absence epilepsy is an idiopathic generalized epilepsy with later onset than CAE, typically in prepubertal adolescence, with the most frequent seizure type being absence seizures. Generalized tonic-clonic seizures can occur. Often, 3 Hz spike-wave or multiple spike discharges can be seen on EEG.
Estradiol levels during the menstrual cycle [1] Catamenial epilepsy is a form of epilepsy in women where seizures are exacerbated during certain phases of the menstrual cycle. In rare cases, seizures occur only during certain parts of the cycle; in most cases, seizures occur more frequently (but not exclusively) during certain parts of the cycle.
Epilepsy, a brain disorder that causes seizures, is one of the most common conditions that affects the brain. According to the Centers for Disease Control and Prevention (CDC), about 3.4 million ...
This technique can be used to investigate the energy changes of different frequency components in EEG signals during EEG analysis. It is appropriate for use in the study of neurological diseases and brain science, as these conditions can cause EEG energy changes during changes in state, such as changes in sleep phase, seizures, and emotional ...