PSYC 2000 : Test 2
Document Summary
Types of consciousness: 2 different kinds, waking consciousness: thoughts, feelings, sensations clear and organized, altered states of consciousness : shifts in the quality or pattern of mental activity, daydreaming, hypnotic state, meditative state, increased alertness, divided attention, sleep. 2 kinds of sleep: rem (rapid eye movement) sleep, active sleep, most dream during this stage, voluntary muscles are paralyzed, non-rem sleep, restful sleep, voluntary muscles are not paralyzed. Non-rem stage 1 sleep: theta waves replace alpha waves (even slower, light sleep people will deny they were sleeping, hypnic jerk is common, some people hallucinate falling into this stage, called hypnogogic images or hallucinations. Non-rem stage 2 sleep: body temperature drops, heart rate slows, and breathing becomes more shallow, characterized by sleep spindles, theta waves continue during this stage. If awakened, people are aware that they were asleep. Non-rem stages 3 & 4: stage 3: delta waves start (slowest and largest, stage 4: deepest sleep, during this stage that body growth occurs.
