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Delta waves
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What is deepest stage of sleep when the brain emits large slow delta waves This deep stage of sleep is called?
Stage 4 sleep. Stage 3 also often emits delta waves.
Which stage of sleep is closely associated with hypnagogic sensations?
rem
What brain wave predominates in stage 4 sleep?
Delta
Which stage of sleep is marked by long slow delta brain waves?
Stage 4. apex:)
The rhythmic bursts of brain activity that occur during stage 2 sleep are called?
sleep spindles
What are the rhythmic bursts of brain activity that occur during Stage 2 sleep called?
Sleep Spindals
Type of brain wave is emitted when a person enters stage one sleep?
alpha
In which stages of sleep would a person be most difficult to wake?
The stage during which it is most difficult to wake someone is the "deep sleep" stage. During this stage, brain waves, breathing, and heart rate are the slowest.
How many stages of sleep are there?
Stage 1 is light sleep where you drift in and out of sleep and can be awakened easily. In this stage, the eyes move slowly and muscle activity slows. During this stage, many people experience sudden muscle contractions preceded by a sensation of falling.In stage 2, eye movement stops and brain waves become slower with only an occasional burst of rapid brain waves. When a person enters stage 3, extremely slow brain waves called delta waves are interspersed with smaller, faster waves. In stage 4, the brain produces delta waves almost exclusively. Stages 3 and 4 are referred to as deep sleep, and it is very difficult to wake someone from them. In deep sleep, there is no eye movement or muscle activity. This is when some children experience bedwetting, sleepwalking or night terrors.In the REM period, breathing becomes more rapid, irregular and shallow, eyes jerk rapidly and limb muscles are temporarily paralyzed. Brain waves during this stage increase to levels experienced when a person is awake.
What is slow-wave sleep?
Slow wave sleep occurs after Stage 1 and Stage 2 sleep, and prior to REM sleep. There is more slow wave sleep present toward the beginning of the night, while more REM sleep is present toward the end of the night's sleep. In slow wave sleep, delta waves are present on the EEG (Electroencephalogram), which measures brain activity. These waves are long and slow, as opposed to the sharp waves of Stage 2 sleep. It is ecause of the shape of these waves that the stage is called slow wave sleep.
In Stage 4 sleep what type of brain waves do you have?
Delta Waves (APEX)
What does paradoxical excitement mean?
Paradoxical excitement or paradoxical sleep is a stage of sleep (during REM) in which the brain and body systems are active while the body is physically at rest. This excited stage while at rest is why it's a "paradox."
