Definition

1. Noun:
   • A graphical record of electrical activity of the brain: An electroencephalogram is a test that measures and records the electrical patterns produced by brain cells (neurons). The resulting chart or graph is used to diagnose and monitor conditions affecting brain function.

Usage Examples

• Noun:
  • The doctor ordered an electroencephalogram to check for signs of seizure activity.
  • The patient's electroencephalogram showed normal brain wave patterns during sleep.

Advanced Usage

• "To have an electroencephalogram (EEG) done": To undergo the medical procedure.
  • The neurologist recommended that the child have an electroencephalogram done to investigate the cause of the headaches.

Variants and Related Words

• Electroencephalograph (noun): The machine or instrument used to produce an electroencephalogram.
  • The technician calibrated the electroencephalograph before the test.
• Electroencephalography (noun): The technique or process of recording brain electrical activity.
  • Electroencephalography is a fundamental tool in neuroscience research.

Synonyms

• EEG: This is the common abbreviation for electroencephalogram.
  • The results of the EEG were inconclusive.
• Brain wave recording: A descriptive synonym.
  • The brain wave recording helped confirm the diagnosis.

Related Phrases

• Abnormal electroencephalogram: A record showing irregular brain activity.
  • The abnormal electroencephalogram indicated possible epilepsy.
• Sleep electroencephalogram: A recording taken specifically during sleep.
  • The sleep electroencephalogram was used to diagnose a sleep disorder.

Noun

1. a graphical record of electrical activity of the brain; produced by an electroencephalograph