Last Updated
：2025/11/28
K-complex
IPA(Pronunciation)
Noun
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。
（ plural ）
Quizzes for review
(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.
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K-complex
During polysomnography, the technician identified a prominent K-complex on the EEG that recurred roughly every 90 seconds during stage 2 NREM sleep.
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During polysomnography, the technician identified a prominent K-complex on the EEG that recurred roughly every 90 seconds during stage 2 NREM sleep.
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