Suenose Imagens
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The document discusses various topics related to sleep and consciousness. It describes the different stages of sleep including REM sleep. It discusses several theories about the function and meaning of dreaming, such as Freud's theory of unconscious wish fulfillment. The document also covers circadian rhythms, sleep disturbances, and altered states of consciousness.
Suenose Imagens
- 1. Sueños e Imágenes Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
- 2. Consciencia The awareness of the sensations, thoughts, and feelings being experienced at a given moment Waking consciousness Altered states of consciousness Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Ryan McVay/Getty Images
- 3. Stages of Sleep Stage 1 - The stage of transition between wakefulness and sleep that is characterized by relatively rapid, low-voltage brain waves Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Stage 2 Characterized by a slower, more regular wave pattern and momentary interruptions of sharply pointed spiky waves called sleep spindles
- 4. Stages of Sleep Stage 3 Brain waves become slower with an appearance of higher peaks and lower valleys in the wave pattern Stage 4 Deepest stage of sleep where people are least responsive to outside stimuli and the wave patterns are more slower and regular Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
- 5. REM Sleep: The Paradox of Sleep Sleep that occupies a little over 20% of an adult’s sleeping time and is characterized by Rapid eye movement Increased and irregular heart rate Increase in blood pressure Increase in breathing rate Erections in males Usually accompanied by dreams Person’s body is typically “paralyzed” Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
- 6. The Function and Meaning of Dreaming Unconscious wish fulfillment theory (Freud 1900) Proposed that dreams represented unconscious wishes that dreamers desire to see fulfilled Latent content refers to the “disguised” meaning of the dream Manifest content refers to the actual story line of the dream Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display. PhotoLink/Getty Images Royalty-Free/CORBIS
- 7. The Function and Meaning of Dreaming Dreams-for-survival theory Dreams permit information that is critical for our daily survival to be reconsidered and reprocessed during sleep Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
- 8. The Function and Meaning of Dreaming Activation-synthesis theory The brain produces random electrical energy during REM sleep that stimulates memories lodged in various portions of the brain which are put together to make a logical story line Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Royalty-Free/CORBIS
- 9. Sleep Disturbances Insomnia Sleep apnea Sudden infant death syndrome Narcolepsy Sleepwalking Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Geoff Manasse/Getty Images
- 10. Circadian Rhythms: Life Cycles Biological processes that occur repeatedly on approximately a 24-hour cycle -Seasonal affective disorder -Jet lag Daydreams Copyright © 2005 The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Keith Brofsky/Getty Images