1. NREM 수면(Non-Rapid EyeMovement.)
- NREM 수면은 4단계로 이루어져 있는데, NREM수면단계 동안에는 자율신경계 중 부교감신경이 지배적이어서 심박동, 호흡수, 혈압, 대사율, 체온 등이 저하된다.
2. NREM 수면(Non-Rapid EyeMovement.)단계
* 1단계 *
• 각성과 수면의 사이에 있는 과도기 단계이다.
•이완된 상
emotions or claim opinions. We can see these things when Barack Obama made a speech. With silence, audience got impressed and gave him a big hand.
II. Eye Contact
When you speak with American, you should contact his eye. In Korea, during talk with elders, being polite means we should not see his eyes directly. But in America eye contact is the most important thing during communication.
Silence
However, even if American don’t like silence, they use silence in special situation. Sometimes, silence is more effective than word or speech when they express their emotions or claim opinions. We can see these things when Barack Obama made a speech.
With silence, audience got impressed and gave him a big hand.
Hand movements
1. This means Quotation mark. And we can see this ges
EEG (Electroencephalogram) : 뇌파 EMG (Electromyograph) : 근전도
EOG (Electrooculography) : 안구운동 EKG (Electrocardiogram) : 심전도
Sleep stage I
Alpha activity in the EEG drops to less than 50%
Lasting for 1-7 minutes.
Amplitudes are less than 50-75mV
A burst of activity on the EEG, EOG, and EMG
Sleep stage II
Delta is per