When the brain sustains an injury, the EEG shows a range of changes that vary according to the type and severity of the brain damage. These EEG changes can be categorized into two types: abnormalities in background EEG activity and the presence of seizure activity (Table 11.1).

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Concept of Abnormal EEG

  • Hiroyuki Kidokoro,
  • Fumio Hayakawa

摘要

When the brain sustains an injury, the EEG shows a range of changes that vary according to the type and severity of the brain damage. These EEG changes can be categorized into two types: abnormalities in background EEG activity and the presence of seizure activity (Table 11.1).