BIOL 404-Exam 4-CNS 3

Slow large amplitude waves
- Low brain activity
- Slow Heart and respiratory rate
What type of neuron firing is associated with sleep stages 3 and 4?
- coordinated neuron firing
- High amplitude
- Low Hz
What stage is Sleep paralysis occuring in?

Stage I
What is sleep paralysis?

Can sense environment but cannot move, still partially asleep
What are K complexes?

high amplitude waves during sleep stage 2
What are sleep spindles?

12-14 Hz bursts of High Hz waves in sleep stage 2
What is the term for high amplitude waves during sleep stage 2?

K-complexes
What is the term for 12-14 Hz bursts of High Hz waves in sleep stage 2?

Sleep spindles
During what sleep stage does the heart, respiratory rate and brain slow?

Stage 3 and 4
What sleep stage has highly synchronized brain activity?

Stage 3 and 4
What is the difference between sleep stages 3 and 4?
- Delta activity
- Stage 3 = 2-50% delta activity
- Stage 4 = >50% delta activity
Which sleep stage has 20-50% delta activity?

Stage 3
Which sleep stage has >50% delta activity?

Stage 4
What is the delta activity of sleep stage 4?

>50% delta activity
What is the delta activity of sleep stage 3?

20-50% delta activity
What sleep stage does sleep walking occur in?

3 or 4
What is another term for paradoxal sleep?

REM
What is another term for REM?

Paradoxal sleep
What is the major difference between REM and sleep stage 3 and 4?

The mind is active
What sleep stage is the mind most active?

REM
What does an EEG of REM look like?
- High Hz
- Low uV

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kyleannkelsey

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Card Set

BIOL 404-Exam 4-CNS 3

Description

BIOL 404-Exam 4-CNS 3

Updated

2013-04-28T23:00:25Z

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