states of conciousness Flashcards
what is the definition of consciousness?
aware of surroundings and connecting with sense of self
what is waking consciousness?
when one’s thoughts, feelings, and sensations are clear and organized.
what is altered consciouness?
shift in quality of pattern of mental activities as compared to waking consciousness.
what did structuralists think about consciousness?
used introspection to find boundaries of conscious thought
what is a circadian rhythm?
a human’s sleep wake cycle
what is entrainment?
changing the circadian rhythm
how are brain waves measured?
amplitude and frequency
what are beta waves?
brain waves while awake
what are alpha waves?
relatively slow brain waves of a relaxed state
what is stage 1 of sleep?
feeling sleepy, the dozing off stage
what is a hallucination?
a sensory experience without the physical presence
what is a sleep spindle?
random bursts of energy that happen during stage 2 while falling asleep
what waves do you experience during stage 3?
theta and delta waves
what is REM sleep?
recurring sleep state during which vivid dreams commonly occur. vivid dreams and nightmares occur.
what is a nightmare?
longer, more detailed dreams that occur during rem
what is NREM?
any time you’re alseep but not in rem sleep.
what is activation synthesis?
that a dream is the cerebral cortex processing nerve impulses being sent from the body to the brain stem into something that makes sense
what is REM rebound
a form of sleep debt, sleepiness or muscle loss during the day
what is Freudian dream theory
dreams are full of symbols from the subconscious
what is cognitive dream theory
They are like plays that the mind stages for itself when it doesn’t have anything specific to do