Chapter 5.1 Flashcards
what is consciousness?
awareness of ourselves and our environment
dual processing
the principle that information i often simultaneously on separate conscious and unconscious tracks
selective attention
the focusing of conscious awareness on a particular stimulus
-cocktail party effect, change blindness
circadian rhythm
are internally driven daily cycles of approximately 24 hours affecting physiological and behavioural processes.
entrainment
when biological rhythms become synced to external cues
- light, temp or a clock
endogenous rhythms
biological rhythms that are generated by our body
polysomnography
a set of objective measurements used to examine physiological variables during sleep
REM sleep
characterized by quickening brain waves, inhibited body movement, and rapid eye movement
restore a repair hypothesis
the idea that the body needs to restore energy levels, and repair and wear and tear
manifest content
involves the images and storylines that we dream about
latent content
the actual symbolic meaning of a dream built on suppressed sexual or aggressive urges
activation synthesis hypothesis
suggests dreams arrive from brain activity originating from bursts of messages from the pons
insomnia
a disorder characterized by an extreme lack of sleep
nightmares
particularly vivid and disturbing dreams that occur during REM sleep.
nigh terrors
intense bouts of panic and arousal that awaken the individual, typically in a heightened emotional state
