theta rhythm

noun

Definition of theta rhythm

: a relatively high amplitude brain wave pattern between approximately four and nine hertz that is characteristic especially of the hippocampus

called also theta wave

Examples of theta rhythm in a Sentence

Recent Examples on the Web In contrast, the alternations that the UCSF team identified were precisely aligned with every other cycle of the theta rhythm. Quanta Magazine, "In Brain Waves, Scientists See Neurons Juggle Possible Futures," 24 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'theta rhythm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of theta rhythm

1944, in the meaning defined above

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The first known use of theta rhythm was in 1944

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Cite this Entry

“Theta rhythm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theta%20rhythm. Accessed 24 Jan. 2021.

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More Definitions for theta rhythm

theta rhythm

noun
the·​ta rhythm | \ ˈthāt-ə-, British usually ˈthēt-ə- \

Medical Definition of theta rhythm

: a relatively high amplitude brain wave pattern between approximately 4 and 9 hertz that is characteristic especially of the hippocampus but occurs in many regions of the brain including the cortex

called also theta, theta wave

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