theta rhythm
noun
: 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
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The firing patterns of place cells repeat about eight times per second in rats, forming what is called the theta rhythm.
—
Ingrid Wickelgren, Scientific American, 8 June 2023
This theta rhythm, as it’s called, occurs in all animals that have been studied, including humans.
—Greg Miller, Discover Magazine, 7 Nov. 2022
In contrast, the alternations that the UCSF team identified were precisely aligned with every other cycle of the theta rhythm.
—Quanta Magazine, 24 Feb. 2020
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Ingrid Wickelgren, Scientific American, 8 June 2023
This theta rhythm, as it’s called, occurs in all animals that have been studied, including humans.
—Greg Miller, Discover Magazine, 7 Nov. 2022
In contrast, the alternations that the UCSF team identified were precisely aligned with every other cycle of the theta rhythm.
—Quanta Magazine, 24 Feb. 2020
Cite this Entry
“Theta rhythm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theta%20rhythm. Accessed 31 Oct. 2025.
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