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

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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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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