Chapter 4 - Consciousness Flashcards
Consciousness
Your awareness of everything going on around you and inside your own head at any given moment, which you use to organize your behavior
Waking consciousness
State in which thoughts, feelings, and sensations are clear and organized and the person feels alert
Altered state of consciousness
State in which there is a shift in the quality or pattern of mental activity as compared to waking consciousness
Circadian rhythm
A cycle of bodily rhythm that occurs over a 24-hour period
Rapid eye movement sleep (R; REM)
Stage of sleep in which the eyes move rapidly under the eyelids and the person is typically experiencing a dream
Nonrapid eye movement sleep (N; NREM)
Any of the stages of sleep that do not include REM
Beta waves
Smaller and faster brain waves, typically indicating mental activity
Alpha waves
Brain waves that indicate a state of relaxation or light sleep
Theta waves
Brain waves indicating the early stages of sleep
Delta waves
Long, slow brain waves that indicate the deepest stage of sleep
Activation - synthesis hypothesis
Premise that states that dreams are created by the higher centers of the cortex to explain the activation by the brain stem of cortical cells during REM sleep periods
Activation-information-mode-model (AIM)
Revised version of the activation synthesis explanation of dreams in which information that is accessed during waking hours can have an influence on the synthesis of dreams
Social-cognitive theory of hypnosis
Theory that assumes that people who are hypnotized are not in an altered state but are merely playing the role expected of them in the situation
Dissociation
Splitting of conscious awareness
Psychoactive drugs
Chemical substances that alter thinking, perception, and memory.
