PS101 Chapter Notes - Chapter 5: Sleep Deprivation, Sleep Disorder, Insomnia
Document Summary
The nature of consciousness consciousness involves varied levels of awareness. Mental processes coninue during sleep, as some simuli can penetrate awareness. Research suggests that decisions made when people do not have the chance to make conscious deliberaions may someimes be more accurate. The evoluionary signiicance of consciousness is a mater of debate. Changes in consciousness are correlated with changes in brain acivity as measured by eegs. Non-rem consists of stages 1-4, which are marked by an absence of rapid eye movements, relaively litle dreaming, and varied eeg acivity. Rem sleep is a deep stage of sleep marked by rapid eyes movements, high-frequency brain waves, and dreaming. During the course of sleep, rem periods gradually get longer and non- The architecture of sleep varies somewhat from one person to the next. Parial deprivaion is common and can impair alertness; it appears to contribute to many accidents.
