Last Updated：2025/11/20

A type of electrical activity in the brain; a brain wave with a frequency of 4-8 hertz.

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theta wave

Source Word

theta wave

Noun

A type of electrical activity in the brain; a brain wave with a frequency of 4-8 hertz.

Japanese Meaning

脳内の電気活動の一種で、4〜8ヘルツの周波数を持つ脳波（シータ波）のこと

During the meditation session, she noticed a pronounced theta wave on the EEG.

瞑想中、彼女は脳波計で顕著なシータ波を確認した。

Sense（1）

A type of electrical activity in the brain; a brain wave with a frequency of 4-8 hertz.

theta waves

（ plural ）