Chapter 7.1: Sleep and Dreams Mr. McCormick Psychology.

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Presentation transcript:

Chapter 7.1: Sleep and Dreams Mr. McCormick Psychology

Essential Question What is the span of human consciousness, and how do people sense and perceive the world around them?

Do-Now: (In Journal) On average, how much sleep do you regularly get? How do you feel after a full night’s rest? How do you feel after a full night’s rest? How do you feel if you do not get enough sleep? How do you feel if you do not get enough sleep?

Consciousness Consciousness: A state of awareness, including a person’s feelings, sensations, ideas, and perceptions A state of awareness, including a person’s feelings, sensations, ideas, and perceptions When we discuss states of consciousness, we are referring to our state of awareness.

Stages of Sleep Stage I. Lightest Level of Sleep Lightest Level of Sleep Pulse Slows Pulse Slows Muscles Relax Muscles Relax Breathing and Brain Waves become irregular Breathing and Brain Waves become irregular Alpha Waves Alpha Waves

Stages of Sleep Stage II. Low-amplitude/high-frequency brain waves Low-amplitude/high-frequency brain waves Eyes roll from side to side Eyes roll from side to side Stage III. Large amplitude delta waves Large amplitude delta waves

Stages of Sleep Stage IV. Deepest Level of Sleep Deepest Level of Sleep Large amplitude delta waves Large amplitude delta waves Possibilities: Possibilities:Sleepwalking Talking aloud Bed-wetting Important to physical and psychological well- being Important to physical and psychological well- being

Stages of Sleep REM Sleep: “Rapid Eye Movement” Sleep “Rapid Eye Movement” Sleep Dreaming Dreaming Pulse and heart rate become irregular Pulse and heart rate become irregular Face or fingers may twitch Face or fingers may twitch Large muscles become paralyzed Large muscles become paralyzed

Stages of Sleep

“Jet Lag” Have you ever experienced “Jet Lag?” How did you feel? How did you feel? Why do you think this occurs? Why do you think this occurs?

Circadian Rhythm Circadian Rhythm: The rhythm of activity and inactivity lasting approximately one day The rhythm of activity and inactivity lasting approximately one day

Review What is consciousness? Why are levels of consciousness considered a spectrum (as compared to conscious vs. unconscious)? Why are levels of consciousness considered a spectrum (as compared to conscious vs. unconscious)? Which is the lightest stage of sleep? The deepest? During which stage of sleep do dreams occur?

Homework Read Chapter 7.1 “Sleep and Dreams” Pgs Pgs Begin to bring books to class regularly