Chapter 6- Consciousness Flashcards
State in which thoughts, feelings, and sensations are clear and organized, and the person feels alert
Waking consciousness
A person’s awareness of everything that is going on around him or her at any given moment, which is used to organize behavior
Consciousness
State in which there is a shift in the quality or pattern of mental activity as compared to waking consciousness
Altered state of consciousness
A cycle of bodily rhythm that occurs every 24 hour period
Circadian rhythm
Stage of sleep in which the eyes move rapidly under the eyelids and the person is typically experiencing a dream
Rapid eye movement or REM
Any of the stages of sleep that do not include REM
Non-REM or NREM sleep
Brain waves that indicate a state of relaxation or light sleep
Alpha waves
Brain waves indicating the early stages of sleep
Theta waves
Long, slow waves that indicate the deepest stage of sleep
Delta waves
The inability of the voluntary muscles to move during REM sleep
REM paralysis
A rare disorder in which the mechanism that blocks the movement of the voluntary muscles fails, allowing the person to thrash around and even get up and act out nightmares
REM behavior disorder
Increased amounts of REM sleep after being deprived of REM sleep on earlier nights
REM rebound
Bad dreams occurring during REM sleep
Nightmares
Occurring during deep sleep, an episode of moving around or walking around in one’s sleep
Sleepwalking or somnambulism
Relatively rare disorder in which the person experiences extreme fear and screams or runs around during deep sleep without waking fully
Night terrors
