u4 aos1 dp2 Flashcards
1
Q
electroencephalograph (EEG)
A
detects, amplifies and records activity in the brain
shows what state of consciousness or what stage of sleep
2
Q
beta waves
A
- alertness
- intense mental activity
- NWC
- tensin, anxiety, fear
- REM
3
Q
alpha waves
A
- awake and alert
- physically relaxed
-internally focused
4
Q
theta waves
A
- very drowsy
- first waking up/ falling asleep
- meditation
5
Q
delta waves
A
- sleep/ unconsciousness
- stange 3 and 4 NREM
- elderly and young when awake
6
Q
electromyograph (EMG)
A
detects, amplifies and records electrical activity in muscles
- shows muscle activity (movement) and muscle tone (tension)
- distinguishes between NWC and ASC but not exact
- determines what stage of sleep
7
Q
electo-oculargrpah (EOG)
A
detects, amplifies and records electrical activity of muscles that control eye movement
- measured eye movement during stages of sleep
- shows two types of sleep (REM and NREM)
8
Q
objective measures
A
- EEG, EMG, EOG
- speed and accuracy
9
Q
subjective measures
A
- opinions, interpretations, judgements
- less accurate (creates CV)
sleep diaries
video monitoring
