Ch. 4 States of Consciousness

when we prefer something we have seen before over something new

participants respond more quickly and/or accurately to questions they have seen before

a phenomenon where a blind person can remember the path of something they can't see

info about yourself and your environment you are aware of

body processes controlled by your mind that we arent aware of

info about yourself and your environment that you arent currently thinking about

info we arent consciously aware of but we know must exist

events and feelings unacceptable to our conscious minds and are repressed into the unconscious

physical, mental, and behavioral changes that follow a 24 hour cycle

period when we are falling asleep

falling asleep

high frequency low amplitude waves

electroencephalogram(EEG) starts to show sleep spindles

short bursts of rapid brain waves

delta sleep, slow wave sleep, deep sleep

eyes and muscles twitch, dreams are more likely to happen esp. detailed ones, our brain appears as active as when we are awake

trouble falling asleep

periods of intense sleepiness and may fall into REM sleep at unexpected times

stop breathing for short periods of time during the night and waking up to gasp for air then falling asleep again

randomly waking up and screaming or moving around

sleep walking

literal content of our dreams

unconscious meaning of the dream

dreams are the brain's interpretation of what is happening physically during REM

stress during the day increases the number and intensity of dreams

chemicals that change the chemistry of the brain and creates an altered state of consciousness

thick walls surrounding the brain's blood vessels to protect it from harmful chemicals

drugs that mimic neurotransmitters

drugs that block neurotransmitters

physiological change that produces a need for more of the same drug to have an effect

stop taking a drug

effects in the body after quitting a drug

speed up body processes and autonomic nervous system

slow down body processes and autonomic nervous system

changes the perceptions of reality

second dose being less but causing the same or greater effect

act as agonists for endorphins, most powerful painkillers and mood elevators