- the normal electrical activity of the cerebral cortex during deep sleep, occurring at a frequency of 1 to 4 hertz and detectable with an electroencephalograph
See also brain wave
| 单词 | delta wave |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 del′ta wave′, [Physiol.] WordReference Random House Unabridged Dictionary of American English © 2024
del′ta rhythm′, [Physiol.]
Collins Concise English Dictionary © HarperCollins Publishers:: delta rhythm, delta wave n
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