This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: States of Consciousness Definitions CONSCIOUSNESS: The continuous stream of perceptions, thoughts, feelings, or sensations of which we are aware from moment to moment- our awareness of various cognitive processes, such as sleeping, dreaming, concentrating, and making decisions WAKING CONSCIOUSNESS mental state that encompasses the thoughts, feelings and perceptions that occur when we are awake and reasonably alert ALTERED STATE OF CONSCIOUSNESS: mental state that differs noticeably from normal waking consciousness-daydreaming, sleep, dreaming,hypnosis, meditation,intoxication CIRCADIAN RHYTHM: Within each 24 hour period, the regular fluctuation from high to low points of certain body functions-daily cycle REM (paradoxical) SLEEP: sleep stage with rapid eye movement -most vivid dreams occur-difficult to awaken,paralysis of large muscles, fast/irregular heart rate, increased brain wave activity NON-REM (NREM) SLEEP: non rapid eye movement stages of sleep that alternate with REM stages during cycle. Non-rapid eye movement sleep has four sleep stages characterized by slow regular respiration and heart rate, an absence of rapid eye movement and blood pressure and brain activity at low point of 24 hour clock SLEEP CYCLE a cycle of sleep lasting about 90 minutes and including one or more stages of NREM sleep followed by a period of...
View Full Document