week 2 (test 1) Flashcards
(10 cards)
1
Q
parameters that reflect sleep intensity
A
- sleepiness increases, and latency to sleep decrease, with progression of wakefulness
- the relationship between sleep parameters and the duration of prior waking is not linear
- arousal thresholds for acoustic or tactile stimulus are higher during sws than during s2
2
Q
phylogeny
A
relatedness or difference across organisms
3
Q
frequency
A
how many times a wave passes through the line in a secon
4
Q
waso
A
wake after sleep onset
5
Q
model systems for the study of sleep
A
human -> rodent -> zebra fish -> fly -> worm
6
Q
why is it easier to study smaller animals
A
- fewer genes
- easier to alter gene expression
- simpler nervous systems
7
Q
characters of drosphilia (fly) sleep
A
- sex differences
- sleep changes with age
- caffeine increases wakefulness
- immune challenge alters sleep
- sleep rebound after sleep deprivation
8
Q
characteristics of sleep
A
- body posture
- eye state
- location or site
- timing
9
Q
what does delta power reflect in NREM sleep
A
sleep intensity
10
Q
features of sleep that change with age
A
- timing
- efficiency
