Dictionary

delta wave

noun

Definition of DELTA WAVE

:  a high amplitude electrical rhythm of the brain with a frequency of less than four cycles per second that occurs especially in slow-wave sleep, in infancy, and in many diseased conditions of the brain —called also delta, delta rhythm

First Known Use of DELTA WAVE

1936
Medical Dictionary

delta wave

noun

Medical Definition of DELTA WAVE

:  a high amplitude electrical rhythm of the brain with a frequency of less than 6 hertz that occurs especially in deep sleep, in infancy, and in many diseased conditions of the brain—called also delta, delta rhythm

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