Chapter 5 Consciousness
-Melatonin plays a key role in adjusting biological clocks
-Electromyograph (EMG): records muscular activity.
-Electroocuolograph (EOG): records eye movemets.
-Reticular formation is important to sleep and wakefulness.
-Ascending reticular activating system (ARAS): consists
of the afferent fibers running through the reticular formation
that influence physiological arousal.
-The ebb and flow of sleep and waking is regulated through
activity in a constellation of interacting brain centers.
-Serotonin and GABA appear to play esp. important roles in
the regulation of sleep.
-REM and slow-wave sleep contribute to firming up learning
that takes place during the day.
-Narcotics (opiates): drugs derived from opium that are
capable of relieving pain. Makes the high an attractive
escape from reality. Side effects: lethargy, nausea, impaired
mental and motor functioning.
-Sedative: sleep-inducing drugs that tend to decrease central
nervous system activation and behavioral activity. Side
effects: drowsiness, emotional swings, impairments in motor
coordination and mental functioning.
-Stimulants: drugs that tend to increase CNS activation and
behavioral activity. Feeling accompanied by increased