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21 Cards in this Set
- Front
- Back
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What is the source of seratonin?
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Dorsal Raphe Nucleus
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What is the source of Noradrenergin?
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Locus Cerelus
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When does the locus cerelus increase Noradrenergic levels?
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During REM
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What does LSD inhibit?
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Release of seratonin from the dorsal raphe nucleus
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What are seratonin levels like when we dream?
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LOW
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What are noradrenergic levels like when we dream?
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High
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What stage sleep as Theta waves?
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Stage I
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What stage sleep has spindles?
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Stage II
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What stage sleep has Delta Waves?
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Stage IV
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T/F
REM sleep is part of SWS? |
False
it is rapid waves |
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What stages are the Deep Sleep Stages?
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III, IV, REM
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Which stage sleep has the widest waves?
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Stage III
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Which stage sleep has higher frequency I, II, III, or IV?
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Stage II Spindle
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Why is pain so good at awakening people?
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Pain is conscious
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T/F
Elderly people awake more and have less REM? |
True
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T/F
Babies are awake more and have less REM |
False
Infants sleep more than do adults (about 16 hours per day compared to 7 for adults) and a greater percentage of sleep time (50%) is spend in REM sleep than adults (15-20%) |
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What are the areas below the midbrain that are important for generating arousal?
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RAS
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How does the NST nucleus act as a relay center from the lower brain to the cortex?
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generation of theta waves (recruiting response)
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What areas does high frequency stimulation of the brainstem trigger arousal?
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NST & RAS
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Is sensory input to the cortex alone enough to awaken someone?
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No need RAS input to trigger NST then you have enough
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The brain stem reticular formation BSRF contains neurons in the Gigantocellular and Tegmental fields, these are called?
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RAS
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