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consciousness
condition of physically alert & cognitively aware of one's self & enviornment
unconscious
not within thought; not awake
frued
emotional/cognitive awareness
unconscious example
concussion, anesthesia, coma, etc
altered state of consciousness (ASC)
any changes (natually or induced) to one's normal preceptual awarness & physical alertness
altered states examples
sleeping, dreaming, TCA, meditation, etc
jet lag
a disruption of circadian rhythms due to crossing time zones
Which direction of travel is most distruptive to our circadian rhythms?
eastward travel
westward travels
"phase delays"
easier time adjustments
eastward travels
"phase advances"
more distruptive to sleep wave cycles
symptoms and characteristics of altered states
- misperceptions of time
- impaired focus and attention
- change of sensitivity/ responsiveness to stimuli
- changes in emotion
- memory distortion
- changes in sensory perception
- loss of reality and self-control
sleep
periodic, natural loss of consciousness
How much does the average human spend sleeping?
1/3 of every day
sleep correlations in non-human animals
predator - prey
body size & metabolism
dinurnal, nocturnal, crepuscular
body size and metabolism
-larger animals with low metabolisms tend to sleep less than smaller animals with comparably higher metabolisms
predator - prey
typically, predators (apex) are able to devote more time
Dinural
active during the day
Nocturnal
active at night
Crepuscular
active at dawn and dusk
unihemispherical sleep
cerebral hemispheres take turns sleeping
reasons for sleep
energy conservation
body restoration
energy conversation
The practice of reducing energy use
body restoration
sleep helps rebuild/restore body materials and functions
Note 
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