Measuring Consciousness
EOG measures the electrical activity of
the muscles that control the eyes
deepest stage of sleep
NREM 4
REM restores the
Mind
0.1%
when you miss out of hours or quality of sleep, you accumulate _____ ________
sleep debt
how does emotional awareness change between NWC and ASC?
high level of emotional awareness in NWC, less in ASC
the 4-5 cycles of NREM and REM we have per night's sleep
ultradian rhythm
prey animals sleep _______ total hours than predators
less
The hormone that makes us sleepy
melatonin
it is easier to adapt our circadian rhythm ___________
forwards
beta waves, less alpha, theta and delta
How NREM differs between adolescent & elderly person
Elderly person will have less NREM 3 & 4 than adolescent
The hours of sleep needed by an infant vs an adolescent
13-16 vs 8-10
Impacts of total sleep deprivation of comparable to BAC on these three facets of functioning
cognition, concentration & mood
the name of the circadian rhythm disorder that can be experienced by adolescents
adolescent sleep wake shift
What is a disadvantage of video monitoring to investigate consciousness?
It is subjective
Can only show outward behaviours (like sleep-walking), not a person's own experiences or physiological measurements
Stage where an EMG will detect virtually no electrical activity
REM
Infants need more REM sleep because
it restores the mind and they are experiencing many new things and learning
An affective effect of partial sleep deprivation that would impact performance on an exam
lack of motivation
A shift worker may struggle to get to sleep during the day because they will have high levels of _________ in their blood
cortisol
How could you test a hospital patients' time orientation to investigate their state of consciousness?
ask them how much time has passed since the doctor last saw them etc.
Frequency and amplitude of brainwaves in NREM 3
Lower frequency, higher amplitude (compared to NREM 1 & 2
Evidence for the restoration theory of sleep (NREM)
marathon runners will spend more proportion of sleep time in NREM after a race
A behavioural effect of partial sleep deprivation that would effect a sprinter
•Fatigue; lack of energy
•Reduced motor control or clumsiness
•Slower reaction times
Teenagers struggle to wake up in the morning because
their melatonin levels are still high, meaning they're sleepy.