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

See Words from the same year

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Medical Dictionary

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