Last Updated：2025/11/28

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

K-complex

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Source Word

K-complex

IPA(Pronunciation)

/ˈkeɪˌkɒmplɛks/

(electrencephalography) A waveform that occurs approximately every 60–100 seconds during stage 2 of NREM sleep, and which consists of a brief negative high-voltage peak (usually >100µV), followed by a slower positive complex ~350–550ms, and at 900ms a final negative peak.

Japanese Meaning

非レム睡眠（NREM）第2段階において、約60〜100秒ごとに出現する脳波の一形態。通常、100µV以上の短時間の負の高電圧ピークに続き、約350〜550ミ秒のゆっくりとした正の波形、さらに約900ミ秒で最終的な負のピークを示す。

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Google Translation / DeepL Translation

ポリソムノグラフィーで、技師はノンレム睡眠第2期で約60〜100秒ごとに現れる、短い高振幅の陰性ピークに続いて遅い陽性複合と最後の陰性ピークを示す特徴的な脳波波形をEEGで確認した。

Sense（1）

(electrencephalography) A waveform that occurs approximately every 60–100 seconds during stage 2 of NREM sleep, and which consists of a brief negative high-voltage peak (usually >100µV), followed by a slower positive complex ~350–550ms, and at 900ms a final negative peak.

K-complexes

（ plural ）

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