Psychology-Brain States and Consciousness Questions and Answers Complete100% verified

Consciousness - our awareness of ourselves and our environment Selective Attention - focusing conscious awareness on a particular stimulus Inattentional Blindness - failure to see visible objects when our attention is directed elsewhere Circadian Rhythm - internal biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle REM (rapid eye movement) Sleep - recurring sleep stage during which vivid dreams commonly occur. Also know as PARADOXICAL SLEEP, because the muscles are relaxed (except for minor twitches) but other body systems Alpha Waves - relatively slow brain waves of a relaxed, awake state Sleep - periodic, natural, reversible loss of consciousness- as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation Insomnia - recurring problems in falling or staying asleep Narcolepsy - sleep disorder in which a person has uncontrollable sleep attacks, sometimes lapsing directly into REM sleep Sleep Apnea - a sleep disorder in which a sleeping person repeatedly stops breathing until blood oxygen is so low it awakens the person just long enough to draw a breath Dream - sequences of images, emotions, and thoughts passing through a sleeping person's mindManifest 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 What are the stages of our nightly sleep cycle? - How do our sleep patterns differ? - What four theories describe our need for sleep? -