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1. what is the definition of your awareness of everything around you and inside your own head
consciousness? at any time, including your thoughts and feelings, which you use to
organise your behaviour
2. what is cognitive neu- generated by a set of action potentials in the communication amongst
roscience definition of neurons just sufficient to produce a specific perception, memory or
consciousness? experience in our awareness
3. what is the global work- spotlight of selective attention
space theory definition
of consciousness?
4. is consciousness a spec- yes
turm?
5. what are 3 states of con- - vegetative state
sciousness (waking con- - minimally conscious state
sciousness)? - fully conscious
6. what are 5 altered - day-dreaming
states of conscious- - drugs
ness? - meditation
- hypnosis
- sleep
7. what is sleep controlled circadian rythms
by?
8. what are circadian internall generated rhythms of waking and sleeping
rhythms?
9. what hormone controls melatonin
sleep?
, consciousness
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10. what is the melatonin the natural production and release of melatonin in response to light and
cycle? darkness
11. what are the 4 steps in 1. light enters eye - detection of darkness by the eyes
the melatonin cycle? 2. signal transmission to the SCN in the hypothalamus
3. pineal gland is activated
4. pineal gland produces and secretes melatonin
12. how much sleep do 7-9 hours per night
young adults need?
13. what 2 main stages is - REM (rapid eye movement) sleep
sleep composed of? - NREM (non-rapid eye movement) sleep
14. what are 3 characteris- - active type of sleep
tics of REM sleep? - most dreaming
- voluntary muscles inhibited
15. what are 3 characteris- - deeper
tics of NREM? - more restful
- free to move around
16. what are the 3 stages of - N1: light sleep
NREM? - N2
- N3: deep sleep
17. what are 4 things that - brain wave activity slows down
happen during N1 (light - some dreaming (hallucinations)
sleep)? - hypnic jerks
- theta waves increase (alpha waves falls away)
18. what are 6 things that - deeper sleep where:
happen during N2? ~ temp drops
~ heart rate slows
, consciousness
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~ breathing shallow & irregular
- brain waves slow down
- mostly theta waves
19. what are 5 things - slowest & deepest brain waves
that happen during N3 - deep sleep = SWS (slow wave sleep)
(deep sleep)? - body at lowest level of functioning
- mostly delta waves
- GH released for children
20. what are 5 things that - body temp increases
happen during REM - eyes move rapidly
sleep? - heart rate increases
- brain waves mostly beta (usually signal for wakefulness) - but still
asleep
- most vivid, detailed, longer, bizarre, emotional dreams
21. in what order to the sleep cylce: N1 > N2 > N3 > REM
stages of sleep occur?
22. how long does it take on 90 mins
average to go through
one sleep cycle?
23. how many sleep cycles 4-5
occur per night?
24. when will waking dur- after a REM stage
ing the night usually oc-
cur?
25. When is SWS longer and beginning of the night
REM shorter?