alpha beta delta theta sleep spindles EEG night terrors REM nonREM electroenceph

Question

alpha                beta                 delta                theta                sleep spindles

EEG                night terrors     REM               nonREM         electroencephalograph

dreaming         paralysis          sleepwalking   rapid eye movement    twitches

In the first stage of sleep, _________ waves appear and indicate one is asleep. Stage 1 lasts a few minutes and soft noises will awaken the sleeper. Stage 2 is characterized by bursts of activity on the EEG called __________. During stage 2 the sleeper will not be awakened by soft sounds. In stage 3 sleep, slow high amplitude waves constitute 20% of the EEG. These ________ waves predominate during stage 4. Also, heart rate, blood pressure, and breathing rate decrease. The sleeper will sleep through loud noises. Most ________ and ________ occur in this stage. Collectively, stages 1 through 4 are referred to as _________ sleep. After progressing through stages 1 through 4, the sequence reverses and the sleeper enters stage 3 and then stage 2. However, rather than enter stage 1, the sleeper enters _________ (REM) sleep.

Explanation / Answer

1. In the first stage of sleep, theta waves appear and indicate one is asleep.
2. Stage 2 is characterized by bursts of activity on the EEG called spindles.
3. These delta waves predominate during stage 4.
4. Most dreaming and night terrors occur in this stage.

Please post the other questions separately as we are supposed to answer just one question or four sub parts of the same question.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.