In EEG terminology, what does "seizure semiology" describe?

Seizure semiology refers specifically to the clinical description of the symptoms and signs that are associated with seizures. This encompasses how a seizure manifests in an individual, including aspects such as the patient's behavior, movements, sensations, and any observable physical changes that occur during the seizure. Understanding seizure semiology is crucial for accurate diagnosis and treatment, as it helps clinicians to differentiate between various types of seizures based on the characteristics exhibited during an event.

The other options focus on different aspects of epilepsy and seizures that do not align with the definition of semiology. For instance, the electrical patterns observed in normal brain activity are related to electroencephalography (EEG) readings but do not describe clinical signs. Similarly, while the classification of various seizure types involves understanding and organizing the nature of seizures, it is not the same as describing their semiology. Lastly, the immediate physiological effects of a seizure pertain to the body's responses rather than the clinical manifestation of the seizure itself.