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| EEG (electroencephalogram) |
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Definition
| Measures electrical activity in the brain |
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| emited when we are consciously alert, or we feel agitated, tense, afraid, with frequencies ranging from 13 to 60 pulses per second in the Hertz scale. |
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| when we are in a state of physical and mental relaxation, although aware of what is happening around us, its frequency are around 7 to 13 pulses per second. |
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| more or less 4 to 7 pulses, it is a state of somnolence with reduced consciousness, muscle twitches small amounts. |
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| when there is unconsciousness, deep sleep or catalepsy, emitting between 0.1 and 4 cycles per second. |
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Your eyes are closed, but it's easy to wake you up.many people experience sudden muscle contractions preceded by a sensation of falling.
Waves - Alpha, Beta, Theta
This phase may last for 5 to 10 minutes. |
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You are in light sleep. Your heart rate slows and your body temperature drops. Your body is getting ready for deep sleep.
Waves - Mostly theta, bit of delta
This phase may last for 15 to 20 minutes |
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| Less than 50% delta waves. |
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he brain produces delta waves almost exclusively. Are referred to as deep sleep or delta 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. |
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| Happens in Stage IV, brain is somewhat aware though. |
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| The noticeable activity in a sense organ, usually caused by a stimulus. |
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| The organization and meaning of sensations. |
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| 50% of children suffer, 4% of adults stuffer |
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| Person stops breathing during sleep can happen a couple hundred times a night. Person is usually totally unaware of it. |
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| A type of energy that your brain needs to function, is restored in sleep. |
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| Belief that the brain needs to "rest" itself when you sleep.This theory suggests that NREM sleep is important for restoring physiological functions, while REM sleep is essential in restoring mental functions. |
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Jerk yourself awake often happens in the lower body.
Person often unaware of this. |
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| Narcolepsy is a neurological disorder that affects the control of sleep and wakefulness. People with narcolepsy experience excessive daytime sleepiness and intermittent, uncontrollable episodes of falling asleep during the daytime. These sudden sleep attacks may occur during any type of activity at any time of the day. |
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| Sigmund Freud - believes that there is a conscious and a sub conscious part of you. |
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| Cant tell the difference between reality and real life. He believed that everything we do is sexually related. (Froyd) |
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| Relational part of a person. Thinks through what the ID wants to do and decides whether its good or not. Operates in both the conscious & sub-concious (Froyd) |
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| Exist mainly in the conscious sense of morality, morals, ethics. Has most of the power when awake but when asleep the ID has the power (Froyd) |
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Become highly open to suggestion. The person is just in an extreme state of relaxation.
- Does not allow user to have better excess to memories
- Does help with pain management because it redirects our brains thoughts |
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| The noticeable activity in a sense organ ("I hear a sound") |
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The organization and meaning of sensation ("I hear James voice")
Lots our there you don't perceive
-Sensory Deficits
- Threshold |
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