Delta Wave (Noun)
Meaning
The normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz).
Classification
Nouns denoting natural phenomena.
Examples
- Delta waves are prominent during non-REM sleep and are thought to be involved in the restorative processes of the brain.
- The encephalogram of the sleeping patient showed a high occurrence of delta waves, indicating she was in a deep sleep stage.
- Researchers have long been interested in the function of delta waves in relation to the brain's consolidation of memories during sleep.
- Studies have shown that delta waves play a crucial role in the regeneration and repair of brain cells, especially in young infants.
- The patient's brain was producing delta waves at an abnormal rate, which could be an indication of the severity of the head injury.