Create an account
periodic, natural, reversible loss of consciousness - as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation
false sensory experiences, such as seeing something in the absence of an external visual stimulus
rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur; aka paradoxical sleep
a sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep at inopportune times
a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings
a sleep disorder characterized bt high arousal and an appearance of being terrified; unlike nightmares, they occur during stage 4 sleep, w/i 2-3 hrs of falling asleep, and are seldom remembered
dreams may provide brain with periodic stimulation to develop and preserve neural pathways
neural activity is random, and dreams are brain's attempt to make sense of it
tendency for REM sleep to increase following REM sleep deprivation (repeated awakenings in REM)
social interaction in which one person suggests to another that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur
a suggestion, made during a hypnosis session, to be carried out after the subject is no longer hypnotized; used by some clinicians to help control undesired symptoms and behaviors
a split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others
an altered state of consciousness reported after a close brush with death; often similar to drug-induced hallucinations
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together