States of Consciousness Flashcards
The biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle.
Circadian rhythms
Rapid eye movement sleep, a reccuring sleep stage during which vivid dreams commonly occur. Also known as peridoxial sleep.
REM sleep
The relatively slow brain waves of a relaxed, awake state.
Alpha waves
Periodic, natural loss of consciousness-as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation.
Sleep
False sensory experiences, such as seeing something in the absence of an external visual stimulus.
Hallucinations
The large, slow brain waves associated with deep sleep.
Delta waves
Non-rapid eye movement sleep; encompasses all sleep stages except for REM sleep.
NREM sleep
A pair of cell clusters in the hypothalamus that controls the circadian rhythm by inhibiting the production of melatonin.
Suprachiasmatic nucleus (SCN)
Recurring problems in falling asleep or staying asleep.
Insomnia
A sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inopportune times.
Narcolepsy
A sleep disorder characterized by temporary endings of breathing during sleep and repeated momentary awakenings.
Sleep APNEA
A sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, _______ occur during NREM-3 sleep, within two or three hours of falling asleep, and are seldom remembered.
Night terrors
A sequence of images, emotions, and thoughts passing through a sleeping by persons’s mind.
Dream
According to Freud, the remembered story line of a dream (as distinct for it latent, or hidden content.)
Manifest content
According to Freud, the underlaying meaning of a dream (as distinct from its manifest content.)
Latent content
Our awareness of ourselves and our environment.
Consciousness