220 likes | 553 Views
Do Now: 1) What are the five theories for why we dream? 2) What is REM rebound? . Somnambulism: Sleepwalking. Nightmares : Frightening dreams that wake a sleeper from REM.
E N D
Do Now: 1) What are the five theories for why we dream? 2) What is REM rebound?
Somnambulism: Sleepwalking. Nightmares: Frightening dreams that wake a sleeper from REM. Night terrors: Sudden arousal from sleep with intense fear accompanied by physiological reactions (e.g., rapid heart rate, perspiration) that occur during SWS. Sleep Disorders: Insomnia 2
Narcolepsy: Overpowering urge to fall asleep that may occur while talking or standing up. Sleep apnea: Failure to breathe when asleep. Sleep Disorders: Insomnia 3
Dreams The link between REM sleep and dreaming has opened up a new era of dream research. 4
What do we Dream? Negative Emotional Content Failure Dreams Sexual Dreams Dreams of Gender 5. Lucid Dreaming- the ability to be aware of and/or in control of dreaming 6
Why do we dream? 1. Wish Fulfillment: -Proposed by Freud in The Interpretation of Dreams -The dream’s manifest (apparent) content may also have symbolic meanings (latent content) -Latent content signifies our unacceptable feelings. http://www.dreammoods.com/ 7
Manifest Content: Your sister drinking red punch Latent Content: BLOOD!!!!
Why is Freud’s theory criticized? NOT SCIENTIFIC NO COMPELLING EVIDENCE
Why do we dream? 2. Information Processing: Dreams may help sift, sort, and fix a day’s experiences in our memories.
Why do we dream? Physiological Function:Dreams are stimulation to develop and preserve neural pathways. 11
Why do we dream? Activation-Synthesis Theory: (Hobson and McCarley) -Activation: the pons and emotional areas generates random bursts of action potentials to the forebrain - Synthesis: dreamer makes up a story line 12
Why do we Dream? 5. Cognitive Development: We dream as a part of brain maturation and cognitive development.
When deprived of REM sleep and then allowed to sleep, we show increased REM sleep called REM Rebound.
Hypnosis An altered state of consciousness characterized by deep relaxation and heightened suggestibility http://iddiokrysto.blog.excite.it Hypnos: Greek god of sleep Franz Mesmer (1734 - 1815) 15
Aspects of Hypnosis Posthypnotic Suggestion: Suggestion carried out after the subject is no longer hypnotized. Posthypnotic Amnesia: Supposed inability to recall what one experienced during hypnosis. 16
Strength, stamina, and perceptual and memory abilities similarly affect those who are hypnotized and those who are not hypnotized. Hypnotic Feats 17
Facts and Falsehood Those who practice hypnosis agree that its power resides in the subject’s openness to suggestion. Yes, to some extent. Can anyone experience hypnosis? No. Can hypnosis enhance recall of forgotten events? 18
Facts and Falsehood No. Can hypnosis force people to act against their will? Yes. Self-suggestion can heal too. Can hypnosis be therapeutic? Yes. Lamaze can do that too. Can hypnosis alleviate pain? 19
Is Hypnosis an Altered State of Consciousness? Social Influence Theory: Hypnotic subjects may simply be imaginative actors playing a social role. Divided ConsciousnessTheory: (Hilgard) Hypnosis is a special state of dissociated (divided) consciousness Courtesy of News and Publications Service, Stanford University (Hilgard, 1992) 20
Both Theories Mimi Forsyth 21