PSYC 1001 1st Edition Lecture 31Outline of Last Lecture I. Second View on HypnosisII. Neo-Disassociation TheoryIII. Final Exam Materiala. Sleep and Dreamsb. Objective MeasuresOutline of Current Lecture I. SleepII. Sleep Stagesa. Phase EventsIII. Sleep CyclesCurrent LectureI. Sleepa. Sleep Stagesi. Awake1. High frequency, low amplitude.a. EEG waves.ii. Stage 11. Lasts about 5-10 minutes.2. Breathing and heart rate slow down.3. Hypnogogic Imagery.a. Sensory experience at the sleep on set.iii. Stage 21. About 20 minutes.2. Little or no eye movements.3. Some muscle tone.4. EEGa. Sleep Spindles (clumped)b. K-Complexes (spikes)These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.i. Example:5. If you wake someone up during this they report mundane thoughts.iv. Stages 3 and 4 (Delta Sleep)1. Lasts about 30 minutes.2. Little or no eye movement.3. Some muscle tone.4. EEG: Delta Waves.a. Low frequency, high amplitude.5. Little or no thinking reported.6. End of this stage:a. Bedwetting and Sleep Walking.v. Stage 4 (1 min.)--- Stage 3--- Stage 2--- REM sleep.vi. Duration of these stages all change throughout the night. vii. REM Sleep1. Stands for: Rapid Eye Movement Sleep2. EEG: High frequency, low amplitude waves.a. Real similar to wakefulness.3. Heart rate speeds up.4. Fast and shallow breathing.5. Tonic Events: Continuous throughout REM sleep.a. EMG: Relaxed muscle tone.i. Example:ii. Relaxed muscle tone to protect ourselves from acting out our dreams.1. Most of dreaming occurs during REM sleep.b. Erections: Both the penis and clitoris.6. Phase Events: Periodic:a. Eye Movementb. Middle ear Twitchingc. Muscle Twitching7. Vivid dreams are reported about 85% of the time when awakened from REM sleep.8. Awakena. Hypnoparpie Imagery: Sensory experience upon awakening.b. Sleep Cyclei. 90-Minute cycle imposed on a 24-Hour cycle.ii. REM periods increases in the duration of the night.iii. Delta sleep decreases in the duration of the night. iv. Age and Sleep length1. Decreases with age but is not necessarily true, because older people tend to sleep less during the night but more throughout the day.2. Average (per day):a. Newborns: 16 hoursb. Three year old: 12 hoursc. 18 year old: 8 hoursd. 50 year old: 6 hours3. Decrease in REM sleep with age.a. Newborns: 50% of sleep is REM.b. Tapers off until about 5 years old.i. Then 20% of sleep, for the rest of your life, is REM
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