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Psych Unit 2 Part 2
States of Consciousness
Term | Definition |
---|---|
Sleep Stage 1 | eye movements slow, hypnotic jerk can occur, brain is still awake |
Sleep Stage 2 | light sleep, muscles contracting and relaxing, heart rate slow, body temperature decreases, sleep spindles occur |
Sleep Stage 3 | deep sleep, hard to wake, no eye movement or muscle activity, groggy if woken, delta waves |
REM Sleep | when intense dreaming occurs, muscle paralysis, initially last about 10 minutes, but increases through out the night |
Delta Waves | Very slow brain waves, minimal brain activity |
Sleep Spindles | Rapid sleep waves, occur in bursts |
Pineal Gland | Melatonin Secretion |
Insomnia | inability to fall asleep; causes depression, anxiety, and stress |
Narcolepsy | Sudden lapse into REM sleep and loss of muscle tension |
Sleep Apnea | brief pauses in breathing during sleep followed by waking; may cause daytime fatigue |
Night Terrors | intense frightening dreams during stage 3 sleep, most prevalent in young boys |
Lucid Dreams | when the sleeper can direct the dream or is aware they are sleeping |
Manifest Content | what we recall from the storyline of our dreams |
Freud's Wish Fulfillment | belief that many dreams express unconscious desires |
Information-Processing Theory | states that dreams are caused by people reviewing problems they faced during the day |
Cognitive Theory | belief that dream content reflects dreamer's cognitive |
Latent Content | what the dream content actually represents |
Psychoactive Drugs | chemicals introduced into the body which alter perceptions, mood, and other elements of our conscious |
Hypnosis | an altered state on consciousness that occurs in the context of a special hypnotist/subject relationship |