9/9/2023 0 Comments Normal eeg vs seizure![]() ![]() Seizures can also be classified by onset and degree of CNS involvement (e.g., focal seizures, generalized seizures). Provoked seizures occur as a result of various seizure triggers and underlying conditions (e.g., stroke, traumatic brain injury, alcohol withdrawal), while unprovoked seizures occur in the absence of an identifiable cause. ![]() The underlying cause of seizures is a state of neuronal hyperexcitability, which may be temporary (e.g., due to electrolyte imbalances) or long-lasting (e.g., due to inherited or acquired neural abnormalities). A seizure is a transient manifestation of abnormal excessive or synchronous electrical brain activity that causes convulsions, loss of consciousness, and/or lapses of consciousness. ![]()
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