delta wave

noun

Definition of delta wave

: a high amplitude electrical rhythm of the brain with a low frequency of less than four cycles per second that occurs especially in slow-wave sleep, is most prominent in infancy and early childhood, and may exhibit abnormal activity in various conditions (such as traumatic brain injury or dementia)

— called also delta, delta rhythm

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Delta Ursae Majoris

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Last Updated

23 Apr 2019

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The first known use of delta wave was in 1936

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delta wave

noun

Medical Definition of delta wave

: a high amplitude electrical rhythm of the brain with a low frequency of less than four cycles per second that occurs especially in slow-wave sleep, is most prominent in infancy and early childhood, and may exhibit abnormal activity in various conditions (as traumatic brain injury or dementia)

— called also delta, delta rhythm

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