Conciousness (3) Flashcards
activation-synthesis hypothesis
A hypothesis of dreaming proposing that the brain tries to make sense of random brain activity that occurs during sleep by synthesizing the activity with stored memories.
change blindness
A failure to notice large changes in one’s environment.
circadian rhythms
Biological patterns that occur at regular intervals as a function of time of day.
consciousness
One’s moment-to-moment subjective experience of the world.
dreams
Products of an altered state of consciousness in which images and fantasies are confused with reality.
endogenous attention
Attention that is directed voluntarily.
exogenous attention
Attention that is directed involuntarily by a stimulus.
hypnosis
A social interaction during which a person, responding to suggestions, experiences changes in memory, perception, and/or voluntary action.
insomnia
A disorder characterized by an inability to sleep that causes significant problems in daily living.
meditation
A mental procedure that focuses attention on an external object, an internal event, or a sense of awareness.
narcolepsy
A sleep disorder in which people experience excessive sleepiness during normal waking hours, sometimes going limp and collapsing.
obstructive sleep apnea
A disorder in which people, while asleep, stop breathing because their throat closes; the condition results in frequent awakenings during the night.
priming
A facilitation in the response to a stimulus due to recent experience with that stimulus or a related stimulus.
REM sleep
The stage of sleep marked by rapid eye movements, paralysis of motor systems, and dreaming.
subliminal perception
The processing of information by sensory systems without conscious awareness.
