Unit 5 Flashcards
consciousness
our awareness of ourselves and our environments
circadian rhythm
the biological clock; regular bodily rhythms that occur on a 24 hour cycle
REM sleep
rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur. The muscles are relaxed, but other body systems are active
alpha waves
the relatively slow brain waves of a relaxed, awake state
sleep
periodic, natural loss of consciousness
hallucinations
false sensory experiences, such as something in the absence of an external visual stimuli
delta waves
the large, slow brain waves associated with deep sleep
NREM sleep
non-rapid eye movement sleep; encompasses all sleep stages except for REM sleep.
insomnia
recurring problems in falling or staying asleep
narcolepsy
a sleep disorder characterized by uncontrollable sleep attacks. The sufferer may laps directly into REM sleep, often at inopportune moments.
sleep apnea
a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings
night terrors
a sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during Stage 4 sleep, within two or three hours of falling asleep. they are seldom remembered.
dream
a sequence of images, emotions, and thoughts passing through a sleeping persons mind. They are usually hallucinatory.
manifest content
according to Freud, the remembered story line of a dream
latent content
according to Freud, the underlying meaning of a dream
REM Rebound
the tendency for REM sleep to increase following REM sleep deprivation (waking people up during REM)
hypnosis
a social interaction in which a hypnotist suggests to a subject that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur
post hypnotic suggestion
a suggestion made during hypnosis session, to be carried out after the subject is no longer hypnotized.
dissociation
a split, in consciousness, which allows some thoughts and behavior to occur simultaneously with others
psycho active drug
a chemical substance that alters perceptions and moods
tolerance
the diminishing effect with regular use of the same dose of a drug